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Chapter 6  The Muscular System Disclaimer:  Included in this presentation are videos and pictures you will not find in your book, make note of the information and move on. Working smarter is not working harder.
Objectives ,[object Object],[object Object],[object Object]
What do we already know? How Many types of Muscles are there?  3 How many are Voluntary? 1 Which one is it?  Skeletal
Types of Muscles  Cardiac:  Mono-nucleated Involuntary  Branched  Connected with Intercalated Disks for synchronization of movement
Types of Muscles Smooth:  Mono-nucleated Involuntary  Non-striated  Moves in waves called “PERISTALSIS” Real life:  Not human of course
Types of Muscles Skeletal:  Multi-nucleated Voluntary  Striated  Moves the Body (amongst other things) He “Stuffs”
Overview: Skeletal Muscles  ,[object Object],[object Object],[object Object],[object Object]
So what does 650 muscles look like? Like this…
Functions of Muscles  Movement  Maintaining posture
Functions of Muscles Stabilizing Joints  Generating heat
How does this relate to what we already know? Things Necessary for Life Chapter 1
Remember all these? M.R.  B.G. D.R.E.M.
Things Necessary for Life ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Things Necessary for Life cont.  ,[object Object],[object Object]
Complimenting Muscles Groups  For One Muscle to  contract   Another muscle must  relax   The is how it is across the entire body.  Now you try it: Head Back   Head Forward
Anatomy of a Muscle  Largest    Smallest  OR  Outside    In  (Which ever you prefer) Epimysium Perimysium Fascicle Endomysium Muscle Fiber
A Closer look at Muscle Fiber Largest    Smallest  OR  Outside    In  (Which ever you prefer) Sarcolemma Myofibril Sarcomere Of Course you would ask  “What is a Sarcomere?” Lets Turn the page and Find out
A Closer look at Muscle Fiber Welcome to the:  Sarcomere  The smallest unit of the Muscle system I will be expecting you to know.   A Sarcomere   is simply the space from Z-Disc    Z-Disc
You with me so far? We went from   Muscle Belly  Epimysium Perimysium Fascicle Endomysium Individual Muscle Fiber Sarcolemma Myofibril Sarcomere Biggest Smallest
Anatomy & Physiology of a Muscle Contraction: Sarcomere ~Hold Please~
Path of a Muscle Contraction: Large Scale  Stimulus:  Someone tickles you The signal is sent to the CNS (Central Nervous system) Action:  You interpret the signal and send a signal to your muscles for reaction = you turn and punch them in the head.  Interpretation of that signal =  “Someone just tickled me” = Muscle contraction
So what did we cover? ,[object Object],[object Object],[object Object],[object Object],[object Object]
What’s to come Start of :  Lab of Head and Neck   Lab of Torso and Arm   *if Head and Neck books are occupied* Lecture 2:  Motor Neuron pathways and Body Movements

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Chapter 6 lecture 1

  • 1. Chapter 6 The Muscular System Disclaimer: Included in this presentation are videos and pictures you will not find in your book, make note of the information and move on. Working smarter is not working harder.
  • 2.
  • 3. What do we already know? How Many types of Muscles are there? 3 How many are Voluntary? 1 Which one is it? Skeletal
  • 4. Types of Muscles Cardiac: Mono-nucleated Involuntary Branched Connected with Intercalated Disks for synchronization of movement
  • 5. Types of Muscles Smooth: Mono-nucleated Involuntary Non-striated Moves in waves called “PERISTALSIS” Real life: Not human of course
  • 6. Types of Muscles Skeletal: Multi-nucleated Voluntary Striated Moves the Body (amongst other things) He “Stuffs”
  • 7.
  • 8. So what does 650 muscles look like? Like this…
  • 9. Functions of Muscles Movement Maintaining posture
  • 10. Functions of Muscles Stabilizing Joints Generating heat
  • 11. How does this relate to what we already know? Things Necessary for Life Chapter 1
  • 12. Remember all these? M.R. B.G. D.R.E.M.
  • 13.
  • 14.
  • 15. Complimenting Muscles Groups For One Muscle to contract Another muscle must relax The is how it is across the entire body. Now you try it: Head Back  Head Forward
  • 16. Anatomy of a Muscle Largest  Smallest OR Outside  In (Which ever you prefer) Epimysium Perimysium Fascicle Endomysium Muscle Fiber
  • 17. A Closer look at Muscle Fiber Largest  Smallest OR Outside  In (Which ever you prefer) Sarcolemma Myofibril Sarcomere Of Course you would ask “What is a Sarcomere?” Lets Turn the page and Find out
  • 18. A Closer look at Muscle Fiber Welcome to the: Sarcomere The smallest unit of the Muscle system I will be expecting you to know. A Sarcomere is simply the space from Z-Disc  Z-Disc
  • 19. You with me so far? We went from Muscle Belly Epimysium Perimysium Fascicle Endomysium Individual Muscle Fiber Sarcolemma Myofibril Sarcomere Biggest Smallest
  • 20. Anatomy & Physiology of a Muscle Contraction: Sarcomere ~Hold Please~
  • 21. Path of a Muscle Contraction: Large Scale Stimulus: Someone tickles you The signal is sent to the CNS (Central Nervous system) Action: You interpret the signal and send a signal to your muscles for reaction = you turn and punch them in the head. Interpretation of that signal = “Someone just tickled me” = Muscle contraction
  • 22.
  • 23. What’s to come Start of : Lab of Head and Neck Lab of Torso and Arm *if Head and Neck books are occupied* Lecture 2: Motor Neuron pathways and Body Movements