Bio Sensing Part 1
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Bio-Sensors & their Working Principle Application of Bio-Sensors in the field of Electrical EMG ECG EEG Implementation target for Robotic Arm Conclusion
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Electromyography
Electromyography (EMG) measures the electrical activity in muscles in response to nerve stimulation. EMG is used to detect abnormalities in the neuromuscular system. The EMG process involves placing electrodes on the skin or inserting needles into muscles to pick up tiny electrical signals from contracting muscle fibers. The signals are amplified and processed before being visually displayed and analyzed. EMG can be diagnostic to study muscle and nerve diseases or kinesiological to examine muscle activity. It provides information about motor unit structure and function.
Electromyography (emg)
This document provides an overview of electromyography (EMG) including:
- EMG measures the electrical activity of active muscle fibers using electrodes placed close to muscles. Rectified EMG signals indicate muscle activity.
- Applications of EMG include assessing muscle function, neuromuscular diseases, and prosthetics.
- Factors that impact EMG signal quality include signal-to-noise ratio, filtering, and minimizing noise contamination and signal distortion.
- Different types of EMG electrodes exist including fine-wire, needle, and surface electrodes, each with their own advantages and disadvantages for measuring muscle activity.
EEG
The document discusses electroencephalography (EEG), which measures the electrical activity of the brain using electrodes placed on the scalp. It describes brain anatomy, including the cerebrum, cerebellum, and brainstem. It also discusses the 10-20 international system for electrode placement on the scalp and the different types of brain waves that can be measured by EEG, including alpha, beta, theta, delta, and gamma waves. The document provides an overview of how EEG is used to record and analyze brain activity for applications such as epilepsy diagnosis, monitoring anesthesia and brain injury.
EMG
This document discusses electromyography (EMG), which is the study of electrical activity in muscles. It describes how EMG is recorded using different types of electrodes, including surface electrodes to record signals on the skin surface and needle electrodes that can detect deeper muscle potentials. The EMG recording system involves electrodes to pick up signals, amplification, and output to devices like speakers or tape recorders. EMG has applications in studying neuromuscular functions and diseases. Measurement of conduction velocity in motor nerves can help locate nerve lesions by stimulating nerves and measuring latency between stimulation and muscle action potentials.
S emg t1_finalone
This document discusses the analysis of surface electromyography (EMG) parameters. It begins with an introduction to EMG and its uses. It then outlines the three phases of the project: literature review and hardware design, understanding bio-correlations and designing hardware, and signal processing and parameter extraction. Details are provided on electrode placement, signal acquisition methods, sources of noise, pre-processing techniques, and parameters to be extracted in both time and frequency domains. The timeline for the project is also presented.
Sensing and processing of Bio metric signals for Low cost Bio Robotic systems
This document discusses sensing and processing of bio-metric signals for use in low cost bio-robotic systems. It describes how bio-metrics work using input sensors, a processing unit, and an output interface. Bio-robotic systems are needed to replace humans in hazardous conditions and perform high precision tasks. Prosthetics are discussed as a type of bio-robotic system that can replace injured body parts either passively or actively using sensors. Electromyography and electroencephalography are described as sensing technologies that can be used in prosthetics. The document concludes that electromyography offers an effective low-cost solution for prosthetics, though customization is needed and signal strength depends on variable user factors.
PRESENTATION LAB DSP.Analysis & classification of EMG signal - DSP LAB
The document discusses analyzing and classifying EMG signals from different patients. It presents the objectives of identifying signal characteristics, analyzing power spectra to define parameters for patient identification, and implementing a rule-based classifier. The methodology block diagram shows receiving EMG signals from two patients and identifying the signal source. Key steps are identifying signal characteristics, generating power spectra using FFT, extracting parameters, and using these as classifier inputs to differentiate patients. Results figures show input signals, power spectra, and the system verifying classification of signals from two patients.
Electromyograph(EMG)
The document discusses electromyography (EMG), which is used to record and study the electrical activity of muscles. EMG uses surface or needle electrodes to measure bioelectric potentials from muscles. The measured signals are amplified and displayed. EMG can detect nerve lesions, muscle conditions, and reflex responses. However, the EMG signals can be affected by various artefacts like power line interference, electrocardiogram signals, movement, DC offset, and muscle crosstalk.
Recommended
Electromyography
Electromyography (EMG) measures the electrical activity in muscles in response to nerve stimulation. EMG is used to detect abnormalities in the neuromuscular system. The EMG process involves placing electrodes on the skin or inserting needles into muscles to pick up tiny electrical signals from contracting muscle fibers. The signals are amplified and processed before being visually displayed and analyzed. EMG can be diagnostic to study muscle and nerve diseases or kinesiological to examine muscle activity. It provides information about motor unit structure and function.
Electromyography (emg)
This document provides an overview of electromyography (EMG) including:
- EMG measures the electrical activity of active muscle fibers using electrodes placed close to muscles. Rectified EMG signals indicate muscle activity.
- Applications of EMG include assessing muscle function, neuromuscular diseases, and prosthetics.
- Factors that impact EMG signal quality include signal-to-noise ratio, filtering, and minimizing noise contamination and signal distortion.
- Different types of EMG electrodes exist including fine-wire, needle, and surface electrodes, each with their own advantages and disadvantages for measuring muscle activity.
EEG
The document discusses electroencephalography (EEG), which measures the electrical activity of the brain using electrodes placed on the scalp. It describes brain anatomy, including the cerebrum, cerebellum, and brainstem. It also discusses the 10-20 international system for electrode placement on the scalp and the different types of brain waves that can be measured by EEG, including alpha, beta, theta, delta, and gamma waves. The document provides an overview of how EEG is used to record and analyze brain activity for applications such as epilepsy diagnosis, monitoring anesthesia and brain injury.
EMG
This document discusses electromyography (EMG), which is the study of electrical activity in muscles. It describes how EMG is recorded using different types of electrodes, including surface electrodes to record signals on the skin surface and needle electrodes that can detect deeper muscle potentials. The EMG recording system involves electrodes to pick up signals, amplification, and output to devices like speakers or tape recorders. EMG has applications in studying neuromuscular functions and diseases. Measurement of conduction velocity in motor nerves can help locate nerve lesions by stimulating nerves and measuring latency between stimulation and muscle action potentials.
S emg t1_finalone
This document discusses the analysis of surface electromyography (EMG) parameters. It begins with an introduction to EMG and its uses. It then outlines the three phases of the project: literature review and hardware design, understanding bio-correlations and designing hardware, and signal processing and parameter extraction. Details are provided on electrode placement, signal acquisition methods, sources of noise, pre-processing techniques, and parameters to be extracted in both time and frequency domains. The timeline for the project is also presented.
Sensing and processing of Bio metric signals for Low cost Bio Robotic systems
This document discusses sensing and processing of bio-metric signals for use in low cost bio-robotic systems. It describes how bio-metrics work using input sensors, a processing unit, and an output interface. Bio-robotic systems are needed to replace humans in hazardous conditions and perform high precision tasks. Prosthetics are discussed as a type of bio-robotic system that can replace injured body parts either passively or actively using sensors. Electromyography and electroencephalography are described as sensing technologies that can be used in prosthetics. The document concludes that electromyography offers an effective low-cost solution for prosthetics, though customization is needed and signal strength depends on variable user factors.
PRESENTATION LAB DSP.Analysis & classification of EMG signal - DSP LAB
The document discusses analyzing and classifying EMG signals from different patients. It presents the objectives of identifying signal characteristics, analyzing power spectra to define parameters for patient identification, and implementing a rule-based classifier. The methodology block diagram shows receiving EMG signals from two patients and identifying the signal source. Key steps are identifying signal characteristics, generating power spectra using FFT, extracting parameters, and using these as classifier inputs to differentiate patients. Results figures show input signals, power spectra, and the system verifying classification of signals from two patients.
Electromyograph(EMG)
The document discusses electromyography (EMG), which is used to record and study the electrical activity of muscles. EMG uses surface or needle electrodes to measure bioelectric potentials from muscles. The measured signals are amplified and displayed. EMG can detect nerve lesions, muscle conditions, and reflex responses. However, the EMG signals can be affected by various artefacts like power line interference, electrocardiogram signals, movement, DC offset, and muscle crosstalk.
EMG
Electromyography (EMG) measures the electrical activity produced by muscle contractions. Surface EMG (sEMG) uses electrodes on the skin to detect muscle activation, while fine wire EMG inserts electrodes directly into muscles. EMG can indicate which muscles are active during motions like gait, but does not determine strength, movement type, or whether activity is compensatory. Proper electrode positioning, skin preparation, and signal processing are needed to obtain accurate, repeatable EMG data for analysis of muscle function.
Biomedical Signals
The document provides an overview of commonly used biomedical signals for monitoring physiological processes and detecting pathological conditions. It discusses several key signals including the electrocardiogram (ECG), electroencephalogram (EEG), electromyogram (EMG), electroretinogram (ERG), electrooculogram (EOG) and event-related potentials (ERPs). For each signal, it describes what physiological process is being measured, how the signal is recorded, its typical amplitude and bandwidth, main sources of interference and common applications. The document emphasizes that biomedical signals reflect the electrical, chemical and mechanical activities of cells, tissues and organs, and can provide important diagnostic information when analyzed.
Electromyography (emg) basics
Electromyography (EMG) is a diagnostic procedure to assess the health of muscles and the nerve cells that control them (motor neurons). EMG results can reveal nerve dysfunction, muscle dysfunction or problems with nerve-to-muscle signal transmission.
Senior Project Student's Presentation on Design of EMG Signal Recording System
This document summarizes a student project to design and implement an affordable EMG signal recorder to control a prosthetic arm. The system uses EMG electrodes to detect muscle signals, filters and amplifies the signals, analyzes them using MATLAB, and uses the output to control a robotic prosthetic arm. The system achieves an average accuracy of 83% across 5 test subjects. It costs around 10,000 BDT to build, making it much more affordable than commercial prosthetics. Future work could involve 3D printing a prosthetic hand and allowing individual finger movement control.
Electromyograph
Electromyography (EMG) measures the electrical activity of muscles through intramuscular or surface electrodes. EMG signals can help characterize neurological and muscular diseases. Neuropathies produce longer, higher amplitude muscle action potentials with increased polyphasicity. Myopathies decrease action potential duration and area-to-amplitude ratio. EMG biofeedback uses electrode feedback to control muscle activation and is used to assess muscle imbalance.
EMG Instrumentation
This document provides an overview of electromyography (EMG) including:
1. EMG measures the bioelectric potentials of muscle activity through either inserted fine-wire or needle electrodes, or skin surface electrodes.
2. Different types of electrodes have advantages and disadvantages related to sensitivity, ability to access deep muscles, risk of cross-talk, and ease of use.
3. Factors like signal-to-noise ratio and minimal signal distortion are important to maximize the quality of EMG signals.
EEG (electroencephalogram)
An EEG is a test that detects electrical activity in the brain using electrodes placed on the scalp. It is used to diagnose brain conditions like epilepsy and Alzheimer's disease. During an EEG, electrodes pick up electrical signals produced by the brain and transmit them to an amplifier. The amplified signals are then processed and displayed. Common wave patterns seen on EEGs include alpha, beta, theta, and delta waves which are classified by their frequency and amplitude. EEGs are generally safe and painless but can potentially cause seizures in patients with seizure disorders.
ELECTROMYOGRAM
This document provides an overview of electromyography (EMG) including what it is, how it works, the types of electrodes used, and applications. EMG is a technique that evaluates and records the electrical activity of muscles using an electromyograph instrument. There are two main types of EMG electrodes: surface electrodes that measure potential from the skin surface using various attachment methods, and inserted electrodes like needle and fine wire types that are placed into muscles. EMG signals can be analyzed to detect medical issues or analyze human and animal movement biomechanics.
Electromyography
Electromyography (EMG) is a technique that evaluates and records the electrical activity of skeletal muscles using an electromyograph instrument. EMG detects the electrical potentials generated by muscle cells during contraction. An EMG examination involves using electrodes to detect these potentials from muscles at rest and during varying degrees of contraction. The recorded signals provide information about motor unit potentials, recruitment, and other features that can help diagnose neuropathies and myopathies. EMG analysis may be qualitative by visual inspection or quantitative by measuring amplitude, duration, and frequency.
Biomedical Engineering
The document outlines various topics related to biomedical instrumentation including biometrics, physiological systems of the human body like cardiovascular and respiratory systems, the kidney, bioelectric potentials, biopotential electrodes, and transducers for ECG, EEG, and EMG. It also provides details on the characteristics of biomedical instrumentation systems and describes concepts like bioelectric potential, action potential, and the recording setup for ECG, EEG, and EMG.
Electromyography (EMG) - Physiotherapy - Dr Rohit Bhaskar
Electromyography (EMG) is an electrodiagnostic medicine technique for evaluating and recording the electrical activity produced by skeletal muscles. EMG is performed using an instrument called an electromyograph to produce a record called an electromyogram
Bhaskar Health News and Medical Education is leading source for trustworthy health, medical, science and technology news and information. Providing world health information Medical Education.
Bhaskar Health News and Medical Education is dedicated to medical students, physiotherapists, doctors, nurses, paramedics, physician associates, dentists, pharmacists, midwives and other healthcare professionals.
We're committed to being your source for expert health guidance. Bhaskar Health and Medical Education.
Source : https://www.bhaskarhealth.com
Health Shop: https://www.bhaskarhealth.org
@drrohitbhaskar @bhaskarhealth
#DrRohitBhaskar #BhaskarHealth
#Health #Medical #News #Physiotherapy
Electromyogram
1. Electromyography (EMG) is a technique for evaluating and recording muscle activation signals using an electromyograph. EMG detects the electrical potentials generated by muscle cells during contraction and relaxation.
2. There are two main types of EMG electrodes - inserted needle electrodes and surface electrodes. Needle electrodes are more sensitive but require medical expertise, while surface electrodes are quick and easy to apply but only record superficial muscles.
3. EMG can be used to diagnose disorders of nerves, neuromuscular junctions, and muscles. It involves cleaning the electrode site, placing electrodes on the muscle, and recording electrical activity both at rest and during voluntary contractions.
Emg and ncs slides chapter 1 and 2
This document provides an overview of electrodiagnostic testing, including nerve conduction studies (NCS) and electromyography (EMG). It discusses what each test evaluates, how they are performed, and key terms. NCS evaluate nerves by applying electrical stimuli and measuring nerve response. EMG evaluates muscles by inserting a needle electrode to measure intrinsic electrical activity. Both tests provide information about nerves and the muscles they innervate. The document also reviews reasons electrodiagnostic testing is useful, including establishing diagnoses, localizing lesions, determining treatment, and assessing prognosis. It emphasizes the importance of compassionate, skilled performance of the tests to minimize patient discomfort.
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This slide has been prepared in detaied manner and will help you.
The topics covered are:-
1- introduction
2.circuit diagram and its explaination
3.working
4. features
5.advantages / disadvantages
6. the top vendors
Definition of Biofeedback and what is its Importance ? - The Physio Club
The term biofeedback refer to the procedure by which information about a physiological function is fed back to the individual by means of an auditory or visual signal. Biofeedback Importance .
About Electromyography
Dr. Samuel Theagene is a diplomate of the American Board of Physical Medicine and Rehabilitation. An experienced doctor who works in pain management, Samuel M. Theagene, M.D., delivers interventional spine treatments aided by modern techniques like electromyography.
Intraoperative Electromyography (EMG)
Intraoperative electromyography (EMG) provides useful diagnostic and prognostic information during spine and peripheral nerve surgeries. The basic techniques include free-running EMG, stimulus-triggered EMG, and intraoperative nerve conduction studies. These techniques can be used to monitor nerve roots during spine surgeries, the facial nerve during cerebellopontine angle surgeries, and peripheral nerves during brachial plexus exploration and repair.
Myoelectric Leg for Transfemoral Amputee
This paper will review the works on Surface Electromyography (SEMG) signal acquisition and controlling as well as the uses of SEMG signals analysis for Transfemoral amputee's people. In the beginning, this paper will briefly go through the basic theory of myoelectric signal generation. Next, the signal acquisition & filtering techniques applied for SEMG signal will be explained. Then after this EMG signal control or actuate the myoelectric leg who was suffering from Transfemoral amputee using microcontroller. This paper gives the better controlling SEMG signal and also very smooth and easy controlling of the Prosthetic leg motor using Myoelectric Controller.
Electromyography (EMG)
This document provides an overview of electromyography (EMG). It defines EMG as the study of motor unit activity through the recording and analysis of myoelectric signals. EMG allows direct examination of muscle performance and function. It describes the motor unit and how EMG detects the motor unit action potential. Different types of electrodes used for EMG are discussed, including surface, fine-wire, and needle electrodes. The document outlines how EMG signals are captured and factors that can influence the myoelectric signal recording.
Eeg
The document discusses electroencephalography (EEG) and summarizes an experiment on EEG waveforms. Key points:
1. An EEG measures electrical activity in the brain using electrodes placed on the scalp. It can detect abnormalities and monitor brain states.
2. The experiment stimulated EEG patterns on a subject under different conditions like eyes open/closed, blinking, movement, talking and sleep.
3. The EEG recordings showed different waveform patterns and brain activations depending on the subject's activity level and state. This demonstrated how EEG can interpret brain activity in real-time.
DIAGNOSTIC DEVICES.pptx
Diagnostic medical equipment is used in hospitals and clinics to diagnose patients' conditions. This includes laboratory equipment like cell blood counters, arterial blood gas analyzers, spectrophotometers, and microscopes. It also includes devices like electrocardiographs, electroencephalographs, electromyographs, patient monitors, pulse oximeters, pH meters, and thermometers. These devices help evaluate patients internally, detect any abnormalities, and allow doctors to precisely analyze organ function.
Emg changes during fatigue and contraction
EMG can detect changes that occur in muscles during fatigue and contraction. Measurements were taken from the human adductor pollicis muscle and showed that force and contractile speed decreased during fatigue. EMG signals also changed, with motor unit action potentials increasing in duration and amplitude. This suggests that fatigue causes motor units to recruit more muscle fibers to maintain force levels during contractions. EMG is useful for evaluating muscle fatigue and understanding how the motor system adapts during physical exertion.
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EMG
Electromyography (EMG) measures the electrical activity produced by muscle contractions. Surface EMG (sEMG) uses electrodes on the skin to detect muscle activation, while fine wire EMG inserts electrodes directly into muscles. EMG can indicate which muscles are active during motions like gait, but does not determine strength, movement type, or whether activity is compensatory. Proper electrode positioning, skin preparation, and signal processing are needed to obtain accurate, repeatable EMG data for analysis of muscle function.
Biomedical Signals
The document provides an overview of commonly used biomedical signals for monitoring physiological processes and detecting pathological conditions. It discusses several key signals including the electrocardiogram (ECG), electroencephalogram (EEG), electromyogram (EMG), electroretinogram (ERG), electrooculogram (EOG) and event-related potentials (ERPs). For each signal, it describes what physiological process is being measured, how the signal is recorded, its typical amplitude and bandwidth, main sources of interference and common applications. The document emphasizes that biomedical signals reflect the electrical, chemical and mechanical activities of cells, tissues and organs, and can provide important diagnostic information when analyzed.
Electromyography (emg) basics
Electromyography (EMG) is a diagnostic procedure to assess the health of muscles and the nerve cells that control them (motor neurons). EMG results can reveal nerve dysfunction, muscle dysfunction or problems with nerve-to-muscle signal transmission.
Senior Project Student's Presentation on Design of EMG Signal Recording System
This document summarizes a student project to design and implement an affordable EMG signal recorder to control a prosthetic arm. The system uses EMG electrodes to detect muscle signals, filters and amplifies the signals, analyzes them using MATLAB, and uses the output to control a robotic prosthetic arm. The system achieves an average accuracy of 83% across 5 test subjects. It costs around 10,000 BDT to build, making it much more affordable than commercial prosthetics. Future work could involve 3D printing a prosthetic hand and allowing individual finger movement control.
Electromyograph
Electromyography (EMG) measures the electrical activity of muscles through intramuscular or surface electrodes. EMG signals can help characterize neurological and muscular diseases. Neuropathies produce longer, higher amplitude muscle action potentials with increased polyphasicity. Myopathies decrease action potential duration and area-to-amplitude ratio. EMG biofeedback uses electrode feedback to control muscle activation and is used to assess muscle imbalance.
EMG Instrumentation
This document provides an overview of electromyography (EMG) including:
1. EMG measures the bioelectric potentials of muscle activity through either inserted fine-wire or needle electrodes, or skin surface electrodes.
2. Different types of electrodes have advantages and disadvantages related to sensitivity, ability to access deep muscles, risk of cross-talk, and ease of use.
3. Factors like signal-to-noise ratio and minimal signal distortion are important to maximize the quality of EMG signals.
EEG (electroencephalogram)
An EEG is a test that detects electrical activity in the brain using electrodes placed on the scalp. It is used to diagnose brain conditions like epilepsy and Alzheimer's disease. During an EEG, electrodes pick up electrical signals produced by the brain and transmit them to an amplifier. The amplified signals are then processed and displayed. Common wave patterns seen on EEGs include alpha, beta, theta, and delta waves which are classified by their frequency and amplitude. EEGs are generally safe and painless but can potentially cause seizures in patients with seizure disorders.
ELECTROMYOGRAM
This document provides an overview of electromyography (EMG) including what it is, how it works, the types of electrodes used, and applications. EMG is a technique that evaluates and records the electrical activity of muscles using an electromyograph instrument. There are two main types of EMG electrodes: surface electrodes that measure potential from the skin surface using various attachment methods, and inserted electrodes like needle and fine wire types that are placed into muscles. EMG signals can be analyzed to detect medical issues or analyze human and animal movement biomechanics.
Electromyography
Electromyography (EMG) is a technique that evaluates and records the electrical activity of skeletal muscles using an electromyograph instrument. EMG detects the electrical potentials generated by muscle cells during contraction. An EMG examination involves using electrodes to detect these potentials from muscles at rest and during varying degrees of contraction. The recorded signals provide information about motor unit potentials, recruitment, and other features that can help diagnose neuropathies and myopathies. EMG analysis may be qualitative by visual inspection or quantitative by measuring amplitude, duration, and frequency.
Biomedical Engineering
The document outlines various topics related to biomedical instrumentation including biometrics, physiological systems of the human body like cardiovascular and respiratory systems, the kidney, bioelectric potentials, biopotential electrodes, and transducers for ECG, EEG, and EMG. It also provides details on the characteristics of biomedical instrumentation systems and describes concepts like bioelectric potential, action potential, and the recording setup for ECG, EEG, and EMG.
Electromyography (EMG) - Physiotherapy - Dr Rohit Bhaskar
Electromyography (EMG) is an electrodiagnostic medicine technique for evaluating and recording the electrical activity produced by skeletal muscles. EMG is performed using an instrument called an electromyograph to produce a record called an electromyogram
Bhaskar Health News and Medical Education is leading source for trustworthy health, medical, science and technology news and information. Providing world health information Medical Education.
Bhaskar Health News and Medical Education is dedicated to medical students, physiotherapists, doctors, nurses, paramedics, physician associates, dentists, pharmacists, midwives and other healthcare professionals.
We're committed to being your source for expert health guidance. Bhaskar Health and Medical Education.
Source : https://www.bhaskarhealth.com
Health Shop: https://www.bhaskarhealth.org
@drrohitbhaskar @bhaskarhealth
#DrRohitBhaskar #BhaskarHealth
#Health #Medical #News #Physiotherapy
Electromyogram
1. Electromyography (EMG) is a technique for evaluating and recording muscle activation signals using an electromyograph. EMG detects the electrical potentials generated by muscle cells during contraction and relaxation.
2. There are two main types of EMG electrodes - inserted needle electrodes and surface electrodes. Needle electrodes are more sensitive but require medical expertise, while surface electrodes are quick and easy to apply but only record superficial muscles.
3. EMG can be used to diagnose disorders of nerves, neuromuscular junctions, and muscles. It involves cleaning the electrode site, placing electrodes on the muscle, and recording electrical activity both at rest and during voluntary contractions.
Emg and ncs slides chapter 1 and 2
This document provides an overview of electrodiagnostic testing, including nerve conduction studies (NCS) and electromyography (EMG). It discusses what each test evaluates, how they are performed, and key terms. NCS evaluate nerves by applying electrical stimuli and measuring nerve response. EMG evaluates muscles by inserting a needle electrode to measure intrinsic electrical activity. Both tests provide information about nerves and the muscles they innervate. The document also reviews reasons electrodiagnostic testing is useful, including establishing diagnoses, localizing lesions, determining treatment, and assessing prognosis. It emphasizes the importance of compassionate, skilled performance of the tests to minimize patient discomfort.
EEG (ELECTROENCEPALOGRAM)
This slide has been prepared in detaied manner and will help you.
The topics covered are:-
1- introduction
2.circuit diagram and its explaination
3.working
4. features
5.advantages / disadvantages
6. the top vendors
Definition of Biofeedback and what is its Importance ? - The Physio Club
The term biofeedback refer to the procedure by which information about a physiological function is fed back to the individual by means of an auditory or visual signal. Biofeedback Importance .
About Electromyography
Dr. Samuel Theagene is a diplomate of the American Board of Physical Medicine and Rehabilitation. An experienced doctor who works in pain management, Samuel M. Theagene, M.D., delivers interventional spine treatments aided by modern techniques like electromyography.
Intraoperative Electromyography (EMG)
Intraoperative electromyography (EMG) provides useful diagnostic and prognostic information during spine and peripheral nerve surgeries. The basic techniques include free-running EMG, stimulus-triggered EMG, and intraoperative nerve conduction studies. These techniques can be used to monitor nerve roots during spine surgeries, the facial nerve during cerebellopontine angle surgeries, and peripheral nerves during brachial plexus exploration and repair.
Myoelectric Leg for Transfemoral Amputee
This paper will review the works on Surface Electromyography (SEMG) signal acquisition and controlling as well as the uses of SEMG signals analysis for Transfemoral amputee's people. In the beginning, this paper will briefly go through the basic theory of myoelectric signal generation. Next, the signal acquisition & filtering techniques applied for SEMG signal will be explained. Then after this EMG signal control or actuate the myoelectric leg who was suffering from Transfemoral amputee using microcontroller. This paper gives the better controlling SEMG signal and also very smooth and easy controlling of the Prosthetic leg motor using Myoelectric Controller.
Electromyography (EMG)
This document provides an overview of electromyography (EMG). It defines EMG as the study of motor unit activity through the recording and analysis of myoelectric signals. EMG allows direct examination of muscle performance and function. It describes the motor unit and how EMG detects the motor unit action potential. Different types of electrodes used for EMG are discussed, including surface, fine-wire, and needle electrodes. The document outlines how EMG signals are captured and factors that can influence the myoelectric signal recording.
Eeg
The document discusses electroencephalography (EEG) and summarizes an experiment on EEG waveforms. Key points:
1. An EEG measures electrical activity in the brain using electrodes placed on the scalp. It can detect abnormalities and monitor brain states.
2. The experiment stimulated EEG patterns on a subject under different conditions like eyes open/closed, blinking, movement, talking and sleep.
3. The EEG recordings showed different waveform patterns and brain activations depending on the subject's activity level and state. This demonstrated how EEG can interpret brain activity in real-time.
What's hot (20)
Senior Project Student's Presentation on Design of EMG Signal Recording System
Senior Project Student's Presentation on Design of EMG Signal Recording System
Electromyography (EMG) - Physiotherapy - Dr Rohit Bhaskar
Electromyography (EMG) - Physiotherapy - Dr Rohit Bhaskar
Definition of Biofeedback and what is its Importance ? - The Physio Club
Definition of Biofeedback and what is its Importance ? - The Physio Club
Similar to Bio Sensing Part 1
DIAGNOSTIC DEVICES.pptx
Diagnostic medical equipment is used in hospitals and clinics to diagnose patients' conditions. This includes laboratory equipment like cell blood counters, arterial blood gas analyzers, spectrophotometers, and microscopes. It also includes devices like electrocardiographs, electroencephalographs, electromyographs, patient monitors, pulse oximeters, pH meters, and thermometers. These devices help evaluate patients internally, detect any abnormalities, and allow doctors to precisely analyze organ function.
Emg changes during fatigue and contraction
EMG can detect changes that occur in muscles during fatigue and contraction. Measurements were taken from the human adductor pollicis muscle and showed that force and contractile speed decreased during fatigue. EMG signals also changed, with motor unit action potentials increasing in duration and amplitude. This suggests that fatigue causes motor units to recruit more muscle fibers to maintain force levels during contractions. EMG is useful for evaluating muscle fatigue and understanding how the motor system adapts during physical exertion.
Electro diagnostic tests ppt
The document discusses electrodiagnostic tests like electromyography (EMG), nerve conduction velocity (NCV) tests, and evoked potentials (EP) which are used to study the nervous system. EMG involves inserting needle electrodes into muscles to record electrical activity, NCV tests how quickly electrical signals move through nerves, and EP stimulates nerves or parts of the body to measure response in the brain. Together these tests can provide information about nerve and muscle injuries, diseases, and help guide treatment.
Acrylic Prosthetic Limb Using EMG signal
The topic deals with the development of a prosthetic limb made of the acrylic sheet using electromyography signals for the people who lost a part of their limb due to circulation problems from atherosclerosis or diabetes, traumatic injuries occurring due to traffic accidents and military combat, cancer or birth
effects. Electromyography (EMG) is a technique for evaluating and recording the electrical activity produced by skeletal muscles. An electromyography (EMG) detects the electrical potential generated by muscle cells when these cells are electrically or neurologically activated. Measured EMG potentials range between 2 millivolts to 4 millivolts depending on the muscle under observation. The two surface electrodes are attached to the healthy limb and sense the muscle contraction when a movement is made. This output is given to the arduino
microcontroller, this controller is programmed that, it acquires the angle and transformation link obtained due to the locomotion of normal limb.
The output signals are given to the servo motor
through servo driver and then to the prosthetic
limb. The methodology adapted here provides
locomotive action for the prosthetic limb. The
major advantage of the proposed system is that usage of acrylic sheets reduces the weight of the
prosthetic limb to a greater extent. This cost-effective acrylic prosthetic limb avoids any
irritation or side effects to the one who carries it.
Abstract (Final draft)
This study aimed to non-invasively detect electromyography (EMG) activity of deep thumb muscles using surface electrodes. Researchers placed electrodes on the forearms of 15 participants and recorded EMG signals while participants performed thumb movements. Independent component analysis was used to separate EMG signals from superficial and deep muscles. Predicted EMG waveforms for each deep muscle were correlated with independent components, and the highest correlated component was considered to represent that muscle's activity. Overall high correlations were found between predicted and recorded waveforms. Accuracy, sensitivity and specificity measures between predicted and recorded waveforms were also statistically significant when using a threshold activation level, demonstrating the first non-invasive detection of EMG activity from deep thumb muscles.
MEDICAL ELECTRONICS_EC8073_Unit 1session 8
This document discusses different types of medical electronics testing. It describes electroencephalography (EEG) which measures electrical activity in the brain using electrodes placed on the scalp. It also describes electromyography (EMG) which records electrical activity of muscles to determine contraction using surface or needle electrodes. Finally, it explains how conduction velocity in motor nerves is measured by stimulating two points on a nerve and calculating velocity based on distance and latency of response. Applications mentioned include electrophysiological testing, clinical neurophysiology, neurology, psychiatry, and sports biomechanics.
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The document discusses biosignals, which are variables that can be measured from the human body to provide health information. It defines active biosignals that use internal energy sources like bioelectric signals (ECG, EEG), and passive biosignals that use external energy sources. It describes instruments used to measure biosignals like electrodes, amplifiers, and recorders. Specific biosignals discussed include ECG, EEG, and temperature signals. Challenges like electrode contact potentials and signal artifacts are also covered.
Biofeedback (3)
Biofeedback is a technique that uses sensors to measure physiological processes and provide feedback to help patients learn to control these processes. It works on the principle of motor learning by providing knowledge of performance or results. Various biofeedback modalities measure muscle activity, skin temperature, brain waves, heart function and more. Electromyography biofeedback uses electrodes to measure muscle electrical activity and is effective for conditions like muscle re-education, chronic back pain, and spasticity control. Precautions include ensuring patient ability and motivation to participate.
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For more information, please contact:
[mehakazeem@ieee.org]
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Muscle stretch reflex
1. The document discusses the somatosensory and skeletal motor nerve axes of the nervous system and how they relate to muscle stretch reflexes and nerve conduction.
2. It provides details on the muscle stretch reflex pathway and how sensory signals from muscle spindles are transmitted to the spinal cord to elicit reflexive muscle contractions in response to changes in muscle length.
3. The document describes experiments measuring nerve conduction velocity along the ulnar nerve and the equipment, electrode placements, stimulation procedures, and data analysis methods used.
radation2357
1. This document discusses neuron activation signals in the brain and how they relate to EEG measurements and blood oxygen levels. It describes how EEG maps different frequency bands to cognitive states and activities. It also discusses how external brain-computer interfaces can be used for medical applications by recording EEG signals or stimulating neurons.
2. The document speculates that remote wireless devices could potentially scan and map EEG signals without electrodes, enabling covert abuse. It suggests such devices could target brain regions to induce artificial sensations like tinnitus. However, the speculation about covert abuse technology is presented without evidence.
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EMG.pdf
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Bio Sensing Part 1
- 1. BioSensing of Robotic Arm Rajul Acharya 14bee097 Rana Shivang 14bee099 Guided by : Prof. Dhara Mehta
- 2. The Intersection of Electrical & Bio-Medical Review 1
- 3. Index • Bio-Sensors & their Working Principle • Application of Bio-Sensors in field of Electrical • EMG • ECG • EEG • Implementation target for Robotic Arm • Conclusion
- 4. Introduction What are Biosensors? • It is an analytical device which is used for the detection of analyte which combines biological component with electrical signals. • It detects the presence and concentration of specific substances in test solution.
- 6. Electromyography (EMG) sensor ● Detects muscle activation using electric potential ● Used in medical field for curing neuromuscular disorders for the study of kinesiology ● Surface EMG sensors assess muscle function by recording muscle activity using suitable electrodes above the skin. ● Intramuscular sensors use monopolar needle approach wherein a fine wire is inserted in the muscle and the surface electrode is used as a reference. EMG(V)
- 8. Electrocardiogram Sensor (ECG) • Used to monitor electrical and muscular functions of heart. • It records electrical pulses generated by heart muscle depolarization which propagate in pulsating electrical waves to the skin. • Signal is filtered and amplified for further analysis.
- 9. Cardiac parameters of interest 1. Heart Rate (HR): it reflects the complete heart beat from its generation to the beginning of the next beat expressed in Beats Per Minute (bpm). 2. Inter-Beat Interval (IBI): time interval between the individual beats of the heart, generally expressed in milliseconds (ms). 3. Heart Rate Variability (HRV): it expresses the variation of IBI from beat to beat. HRV varies widely at times of stress, emotions etc.
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