The document describes ROSA, a Rapid Office Strain Assessment tool. ROSA uses pictures to assess posture and risk factors in an office environment. It aims to identify priority areas for large office organizations. Users select observed postures and record durations. Research shows ROSA scores correlate with discomfort levels. Scores above 5 indicate high risk and further workstation assessment. The document provides examples and instructions for using the ROSA checklist to evaluate chairs, monitors, keyboards, mice, phones and assign risk scores.
Unidad no. 2 búsqueda en espacio de estadosMilton Klapp
Este documento presenta la unidad 2 de un curso de inteligencia artificial sobre búsqueda en espacio de estados. Explica conceptos clave como el espacio de estados, los árboles de búsqueda, y el algoritmo general de búsqueda, incluyendo las listas ABIERTO y CERRADO. También cubre diferentes tipos de búsqueda como la no informada y la informada con heurísticas admisibles.
Introduction to InduSoft Web Studio 8.1 + SP3AVEVA
InduSoft Web Studio is an HMI/SCADA software established in 1997 that has pioneered many technologies. It has a customer-focused culture and is part of AVEVA. It has worldwide offices and supports many protocols and platforms, providing solutions for various industries. It offers choice through its licensing and supports developers and OEMs through its flexible architecture and investment protection.
This document contains a scoring sheet for assessing office ergonomics risks called the Rapid Office Strain Assessment (ROSA). It evaluates various areas of a workstation setup including the chair, monitor, telephone, mouse, keyboard and other peripherals. Scores are given in each area and then combined using charts to determine an overall ROSA score. A high score indicates higher ergonomic risk and need for adjustments to reduce strain. Guidelines are provided on how to use the various sections and combine the scores to evaluate ergonomic risks and identify areas for improvement.
The document provides guidance on conducting ergonomic evaluations of computer workstations. It outlines the roles and responsibilities of department managers, supervisors, employees, and ergonomics consultants in evaluating and improving workstations. The process involves employees conducting self-evaluations using a form, addressing any issues, and making corrections. Consultants are available to assist with complex evaluations or questions. Common recommendations are provided to avoid awkward postures, keep wrists straight, and reduce repetitive motions.
Too often we jump in to our work with both feet and, before we realize it, we are aching from head to toe and can barely move. This presentation is a school assignment (non$) that is supposed to get workers aware of their surroundings and their bodies.
The document discusses various office safety tips to prevent slips, trips, falls and injuries. It provides guidance on proper lifting techniques, electrical safety, ergonomic workstation setup including chair, monitor, keyboard and mouse placement, lighting and glare reduction. It also addresses prolong repetitive activities, production requirements, overtime and training to help prevent musculoskeletal disorders.
This presentation covers the University of Alaska Fairbanks ergonomics program. The objectives are to familiarize attendees with ergonomic principles, risks like repetition and awkward postures, and how to properly arrange workstations and equipment to reduce strain. The goals of the UAF ergonomics program are training, workstation evaluations, and implementing corrective actions. Employees are instructed to make adjustments to their own workstations where possible and to request evaluations for equipment purchases or other fixes.
Unidad no. 2 búsqueda en espacio de estadosMilton Klapp
Este documento presenta la unidad 2 de un curso de inteligencia artificial sobre búsqueda en espacio de estados. Explica conceptos clave como el espacio de estados, los árboles de búsqueda, y el algoritmo general de búsqueda, incluyendo las listas ABIERTO y CERRADO. También cubre diferentes tipos de búsqueda como la no informada y la informada con heurísticas admisibles.
Introduction to InduSoft Web Studio 8.1 + SP3AVEVA
InduSoft Web Studio is an HMI/SCADA software established in 1997 that has pioneered many technologies. It has a customer-focused culture and is part of AVEVA. It has worldwide offices and supports many protocols and platforms, providing solutions for various industries. It offers choice through its licensing and supports developers and OEMs through its flexible architecture and investment protection.
This document contains a scoring sheet for assessing office ergonomics risks called the Rapid Office Strain Assessment (ROSA). It evaluates various areas of a workstation setup including the chair, monitor, telephone, mouse, keyboard and other peripherals. Scores are given in each area and then combined using charts to determine an overall ROSA score. A high score indicates higher ergonomic risk and need for adjustments to reduce strain. Guidelines are provided on how to use the various sections and combine the scores to evaluate ergonomic risks and identify areas for improvement.
The document provides guidance on conducting ergonomic evaluations of computer workstations. It outlines the roles and responsibilities of department managers, supervisors, employees, and ergonomics consultants in evaluating and improving workstations. The process involves employees conducting self-evaluations using a form, addressing any issues, and making corrections. Consultants are available to assist with complex evaluations or questions. Common recommendations are provided to avoid awkward postures, keep wrists straight, and reduce repetitive motions.
Too often we jump in to our work with both feet and, before we realize it, we are aching from head to toe and can barely move. This presentation is a school assignment (non$) that is supposed to get workers aware of their surroundings and their bodies.
The document discusses various office safety tips to prevent slips, trips, falls and injuries. It provides guidance on proper lifting techniques, electrical safety, ergonomic workstation setup including chair, monitor, keyboard and mouse placement, lighting and glare reduction. It also addresses prolong repetitive activities, production requirements, overtime and training to help prevent musculoskeletal disorders.
This presentation covers the University of Alaska Fairbanks ergonomics program. The objectives are to familiarize attendees with ergonomic principles, risks like repetition and awkward postures, and how to properly arrange workstations and equipment to reduce strain. The goals of the UAF ergonomics program are training, workstation evaluations, and implementing corrective actions. Employees are instructed to make adjustments to their own workstations where possible and to request evaluations for equipment purchases or other fixes.
The document provides guidance on proper office ergonomics to prevent injuries from prolonged computer use. It recommends adjusting the workstation to maintain a neutral posture by positioning the monitor at eye level, keeping the forearms parallel to the floor, and using a chair that allows feet to rest flat and supports the lower back curve. Common injuries from poor ergonomics like tendonitis and back strain are detailed. Tips on taking breaks, alternating positions, and adjusting lighting and equipment height are provided to promote comfort and productivity.
An Ergonomic Risk Assessment of a typical business office. This is an example of the high quality, results -focused ergonomic evaluation work provided by Allen Jingst, CIE.
This document provides guidelines and best practices for computer workstation setup and ergonomics. It includes recommendations for proper posture while sitting, recommended work heights, reach distances, ergonomic chair setup, computer monitor placement, laptop usage, telephone area setup, eye strain prevention, and examples of basic office stretches. The guidelines are intended to help reduce musculoskeletal strain or disorders that can result from prolonged static positions or repetitive motions associated with desk and computer work.
Work sampling is a technique used to determine the percentage of time workers or machines spend in different states like working, idle, etc. This is done by taking a large number of instantaneous random observations over time. The ratio of observations where a worker/machine is engaged in a particular activity to the total observations gives the percentage of time spent on that activity. Taking a large number of random samples improves the accuracy of the results.
Ergonomics is the science of fitting work to the worker. Computer ergonomics aims to reduce musculoskeletal disorders by addressing risk factors like prolonged static postures, forceful movements, and awkward positions. Key action goals include keeping the wrists straight while typing, positioning the monitor at eye level, and taking micro-breaks every 30 minutes. Following tips such as alternating mouse hands and using shortcut keys can improve posture.
This document provides guidelines for proper ergonomics when working at a display screen. Key recommendations include adjusting the chair so the back is supported and arms are horizontal, positioning the screen at arm's length and below eye level, and taking short breaks to exercise every hour. Proper posture and lighting are also emphasized to avoid pain and injuries from prolonged screen use.
This document provides safety tips and ergonomic guidelines for computer use. It discusses proper positioning of the monitor, keyboard, chair, and other office equipment to reduce strain and injuries. Specific tips are given for correct posture of the head, back, legs, wrists and other body parts. Simple exercises are also outlined to counteract static positioning. The goal is to fit the work environment to the individual to allow for increased safety, comfort and productivity.
This document provides safety tips and ergonomic guidelines for computer use. It discusses proper positioning of the monitor, keyboard, chair, and other office equipment to reduce strain and injuries. Specific tips are given for correct posture of the head, back, legs, wrists and other body parts. Simple exercises are also outlined to perform at the office to counteract static positioning. The goal is to fit the work environment to the worker for increased safety, comfort and productivity.
This document provides safety tips and ergonomic guidelines for computer use. It discusses proper positioning of the monitor, keyboard, chair, and other office equipment to reduce strain and injuries. Specific tips are given for correct posture of the head, back, legs, wrists and other body parts. Simple exercises are also outlined to counteract static positioning. The goal is to fit the work environment to the individual to allow for increased safety, comfort and productivity.
Every measurement has some level of uncertainty that should be reported along with the measured value. There are several ways to determine the uncertainty, including making repeated measurements and reporting the standard deviation, or estimating uncertainty based on the precision of the measuring instrument. Accuracy refers to how close a measurement is to the true value, while precision refers to how reproducibly a measurement can be made. When reporting measurements, the number of significant figures should be based on the precision of the measuring device and include an estimated uncertainty.
This document discusses occupational risk factors for computer work including repetition, forceful exertions, awkward postures, and contact stress. It provides tips for minimizing these risks such as taking regular breaks from repetitive tasks, using light touches when typing, arranging workspaces ergonomically, and using proper posture. Maintaining neutral wrist and arm positions and avoiding prolonged awkward postures can help reduce muscle and joint strain.
The document provides information on ergonomics and proper workplace setup to prevent injuries. It defines ergonomics as the scientific study of people at work and explains its goal of reducing stress and injuries related to work tasks. Statistics are given on time spent sitting, common injuries like carpal tunnel, and costs of ergonomic injuries. Examples of proper and improper setup are outlined. Potential issues from improper ergonomics are described, like eye strain, neck tension, back pain, and long-term conditions. Signs and symptoms of potential problems are also detailed. Stretches are recommended to take breaks and reduce tension.
This document provides an introduction to statistical process control (SPC). It discusses the limitations of inspection and why SPC is better. It explains that SPC allows monitoring of processes to detect changes before defective products are produced. Various control chart templates are shown and key SPC concepts are defined, including sources of variation, the central limit theorem, and using average and range to monitor process behavior over time. Examples are provided to illustrate variability, distributions, and how control charts can be used.
This fieldwork report summarizes a student group's site leveling exercise. The objectives were to gain practical experience with leveling equipment and procedures. The group measured elevation readings at 10 points around their university campus using a tripod, auto level, and leveling staff. Their results showed a 0.5m discrepancy, which they addressed through evenly distributing corrections across readings. The experience gave the students hands-on practice with leveling skills and equipment, as well as lessons in teamwork and data processing.
This paper looks at some of the issue regarding computer workstation design and chair selection. It discusses some of the common musculoskeletal problems including carpal tunnel syndrome, neck, shoulder an low back problems caused by computer use.
This document provides safety tips and ergonomic guidelines for computer use. It discusses common symptoms caused by improper posture like eye strain, back pain, and wrist pain. It then explains causes such as incorrect monitor positioning and sitting posture. Finally, it recommends setting up the workstation correctly with adjustable equipment and taking breaks to do exercises to alleviate tension and stress.
This document provides a step-by-step guide to adjusting a computer workstation for ergonomic comfort. It breaks the adjustments into four key areas: body to chair, feet to floor, hands to keyboard and mouse, and eyes to screen. Specific instructions are provided for adjusting the chair, adding a footrest if needed, positioning the keyboard and mouse at the same height as each other, and setting the proper height for monitors. Completing these adjustments can help reduce muscle fatigue and discomfort by fitting the workstation to the individual user.
This document provides a step-by-step guide to adjusting a computer workstation for ergonomic comfort. It breaks the adjustments into four key areas: body to chair, feet to floor, hands to keyboard and mouse, and eyes to screen. The guide outlines specific adjustments for each area, such as adjusting the seat height and depth, using a footrest, positioning input devices at the same height, and placing monitors at the proper height. It emphasizes making adjustments personalized to the individual user. Following the recommendations can help reduce musculoskeletal discomfort by eliminating ergonomic risk factors.
Ultrasonic B Scan Laboratory Experiment GuidanceTony Toole
The document describes the process for remotely conducting an ultrasonic B-scan experiment to analyze a corroded pipe sample. It involves connecting to a university network via VPN, launching a remote desktop application, and using ultrasonic scanning software to capture and analyze a B-scan image of the pipe sample. The steps include initializing the ultrasonic interface, adjusting gain and gate settings, performing a scan to capture the image, and analyzing the image data to locate defects and measure wall thickness.
Este documento presenta una introducción al concepto de cuenca hidrográfica, definiéndola como una unidad territorial delimitada por una divisoria de aguas que conduce sus aguas a un océano, lago u otro sistema hídrico mayor. Explica que una cuenca es un ecosistema complejo conformado dinámicamente por cursos de agua, y se considera una unidad de planificación y gestión del territorio. Además, describe los diferentes tipos de cuencas según su patrón de drenaje y evacuación de agu
Este documento proporciona instrucciones para descargar e importar datos satelitales de cobertura de suelo de tres años diferentes (1992, 2000 y 2015), extraer el área de interés, reproyectar las capas a coordenadas UTM y reclasificar la información para analizar los cambios en la cobertura de suelo a lo largo del tiempo.
The document provides guidance on proper office ergonomics to prevent injuries from prolonged computer use. It recommends adjusting the workstation to maintain a neutral posture by positioning the monitor at eye level, keeping the forearms parallel to the floor, and using a chair that allows feet to rest flat and supports the lower back curve. Common injuries from poor ergonomics like tendonitis and back strain are detailed. Tips on taking breaks, alternating positions, and adjusting lighting and equipment height are provided to promote comfort and productivity.
An Ergonomic Risk Assessment of a typical business office. This is an example of the high quality, results -focused ergonomic evaluation work provided by Allen Jingst, CIE.
This document provides guidelines and best practices for computer workstation setup and ergonomics. It includes recommendations for proper posture while sitting, recommended work heights, reach distances, ergonomic chair setup, computer monitor placement, laptop usage, telephone area setup, eye strain prevention, and examples of basic office stretches. The guidelines are intended to help reduce musculoskeletal strain or disorders that can result from prolonged static positions or repetitive motions associated with desk and computer work.
Work sampling is a technique used to determine the percentage of time workers or machines spend in different states like working, idle, etc. This is done by taking a large number of instantaneous random observations over time. The ratio of observations where a worker/machine is engaged in a particular activity to the total observations gives the percentage of time spent on that activity. Taking a large number of random samples improves the accuracy of the results.
Ergonomics is the science of fitting work to the worker. Computer ergonomics aims to reduce musculoskeletal disorders by addressing risk factors like prolonged static postures, forceful movements, and awkward positions. Key action goals include keeping the wrists straight while typing, positioning the monitor at eye level, and taking micro-breaks every 30 minutes. Following tips such as alternating mouse hands and using shortcut keys can improve posture.
This document provides guidelines for proper ergonomics when working at a display screen. Key recommendations include adjusting the chair so the back is supported and arms are horizontal, positioning the screen at arm's length and below eye level, and taking short breaks to exercise every hour. Proper posture and lighting are also emphasized to avoid pain and injuries from prolonged screen use.
This document provides safety tips and ergonomic guidelines for computer use. It discusses proper positioning of the monitor, keyboard, chair, and other office equipment to reduce strain and injuries. Specific tips are given for correct posture of the head, back, legs, wrists and other body parts. Simple exercises are also outlined to counteract static positioning. The goal is to fit the work environment to the individual to allow for increased safety, comfort and productivity.
This document provides safety tips and ergonomic guidelines for computer use. It discusses proper positioning of the monitor, keyboard, chair, and other office equipment to reduce strain and injuries. Specific tips are given for correct posture of the head, back, legs, wrists and other body parts. Simple exercises are also outlined to perform at the office to counteract static positioning. The goal is to fit the work environment to the worker for increased safety, comfort and productivity.
This document provides safety tips and ergonomic guidelines for computer use. It discusses proper positioning of the monitor, keyboard, chair, and other office equipment to reduce strain and injuries. Specific tips are given for correct posture of the head, back, legs, wrists and other body parts. Simple exercises are also outlined to counteract static positioning. The goal is to fit the work environment to the individual to allow for increased safety, comfort and productivity.
Every measurement has some level of uncertainty that should be reported along with the measured value. There are several ways to determine the uncertainty, including making repeated measurements and reporting the standard deviation, or estimating uncertainty based on the precision of the measuring instrument. Accuracy refers to how close a measurement is to the true value, while precision refers to how reproducibly a measurement can be made. When reporting measurements, the number of significant figures should be based on the precision of the measuring device and include an estimated uncertainty.
This document discusses occupational risk factors for computer work including repetition, forceful exertions, awkward postures, and contact stress. It provides tips for minimizing these risks such as taking regular breaks from repetitive tasks, using light touches when typing, arranging workspaces ergonomically, and using proper posture. Maintaining neutral wrist and arm positions and avoiding prolonged awkward postures can help reduce muscle and joint strain.
The document provides information on ergonomics and proper workplace setup to prevent injuries. It defines ergonomics as the scientific study of people at work and explains its goal of reducing stress and injuries related to work tasks. Statistics are given on time spent sitting, common injuries like carpal tunnel, and costs of ergonomic injuries. Examples of proper and improper setup are outlined. Potential issues from improper ergonomics are described, like eye strain, neck tension, back pain, and long-term conditions. Signs and symptoms of potential problems are also detailed. Stretches are recommended to take breaks and reduce tension.
This document provides an introduction to statistical process control (SPC). It discusses the limitations of inspection and why SPC is better. It explains that SPC allows monitoring of processes to detect changes before defective products are produced. Various control chart templates are shown and key SPC concepts are defined, including sources of variation, the central limit theorem, and using average and range to monitor process behavior over time. Examples are provided to illustrate variability, distributions, and how control charts can be used.
This fieldwork report summarizes a student group's site leveling exercise. The objectives were to gain practical experience with leveling equipment and procedures. The group measured elevation readings at 10 points around their university campus using a tripod, auto level, and leveling staff. Their results showed a 0.5m discrepancy, which they addressed through evenly distributing corrections across readings. The experience gave the students hands-on practice with leveling skills and equipment, as well as lessons in teamwork and data processing.
This paper looks at some of the issue regarding computer workstation design and chair selection. It discusses some of the common musculoskeletal problems including carpal tunnel syndrome, neck, shoulder an low back problems caused by computer use.
This document provides safety tips and ergonomic guidelines for computer use. It discusses common symptoms caused by improper posture like eye strain, back pain, and wrist pain. It then explains causes such as incorrect monitor positioning and sitting posture. Finally, it recommends setting up the workstation correctly with adjustable equipment and taking breaks to do exercises to alleviate tension and stress.
This document provides a step-by-step guide to adjusting a computer workstation for ergonomic comfort. It breaks the adjustments into four key areas: body to chair, feet to floor, hands to keyboard and mouse, and eyes to screen. Specific instructions are provided for adjusting the chair, adding a footrest if needed, positioning the keyboard and mouse at the same height as each other, and setting the proper height for monitors. Completing these adjustments can help reduce muscle fatigue and discomfort by fitting the workstation to the individual user.
This document provides a step-by-step guide to adjusting a computer workstation for ergonomic comfort. It breaks the adjustments into four key areas: body to chair, feet to floor, hands to keyboard and mouse, and eyes to screen. The guide outlines specific adjustments for each area, such as adjusting the seat height and depth, using a footrest, positioning input devices at the same height, and placing monitors at the proper height. It emphasizes making adjustments personalized to the individual user. Following the recommendations can help reduce musculoskeletal discomfort by eliminating ergonomic risk factors.
Ultrasonic B Scan Laboratory Experiment GuidanceTony Toole
The document describes the process for remotely conducting an ultrasonic B-scan experiment to analyze a corroded pipe sample. It involves connecting to a university network via VPN, launching a remote desktop application, and using ultrasonic scanning software to capture and analyze a B-scan image of the pipe sample. The steps include initializing the ultrasonic interface, adjusting gain and gate settings, performing a scan to capture the image, and analyzing the image data to locate defects and measure wall thickness.
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Instruccion Ergonomia Rosa 011-2012
1. ROSA – Rapid Office Strain
Assessment
Michael Sonne, MHK, CK.
sonnemw@mcmaster.ca
2. Rapid Office Strain Assessment
• ROSA is a picture based posture checklist designed to quantify exposure to risk
factors in an office work environment.
• ROSA is modelled after other picture based checklists and chart scoring systems
such as RULA and REBA.
• The goal of the ROSA process is to serve as a screening tool to identify areas of
priority in large office based organizations.
2
3. ROSA - Usage
• The end user will take a paper or electronic version of the ROSA score sheet with
them during an assessment.
• The user selects postures that they observe, and records durations that are
reported by the person they are assessing.
3
4. ROSA Results
• Research has shown a correlation between discomfort levels and increasing ROSA
scores.
• Inter and intra-rater reliability has also been shown to be good to very good.
• Scores of greater than 5 are deemed to be “high risk” and the workstation should
be assessed further.
4
5. ROSA Methods
• The following are instructions on how to select postures using the ROSA checklist.
• A full page example is at the back of this package, as well as a blank ROSA
assessment sheet that can be used to conduct assessments.
5
6. Section A – The Chair
Chair Height and Pan Depth
Select the position of the seat height and chair pan. The first position in the left column indicates the neutral
position. This corresponds with a score of “1”. The remaining positions are marked with increasing scores.
Those sections with scores such as (+1) (ie., Insufficient Space Under Desk) are additive scores. These can be
added on to the other scores. For Example, if the chair height is too high (2), and it is non-adjustable (+1), this
becomes a score of 3.
The score from the Chair Height is then added to the Pan Depth to receive the final score from this section.
This score will correspond with the vertical axis along the Section A scoring chart.
Arms / Back rest
2 3 4 5 6 7 8 9
seatpanheight/depth
2 1 2 3 4 5 6 7 8
3 2 2 3 4 5 6 7 8
4 3 3 3 4 5 7 7 8
5 4 5 4 4 5 7 7 8
6 5 5 5 5 5 8 8 9
7 6 6 6 7 7 8 9 9
8 7 7 7 8 8 9 9 9
Scoring within ROSA
7. Scoring Examples – Chair Height
Risk Factor Example Picture
Too low The height adjustment
cylinder is set to its lowest
height, and the worker is
tall.
Too high The knee angle is greater
than 90 degrees, and there
is pressure under the thigh.
Too high – no foot contact The worker is using a stool
or lab height chair, so the
feet cannot physically
touch the floor.
Insufficient space under
the desk
The keyboard tray or a
computer tower blocks the
legs from moving freely
under the desk.
7
8. Scoring Examples – Chair Depth
Risk Factor Example Picture
Seat pan depth – too long There is less than 2-3” of
space behind the knee
when the person sits back
in the chair.
Seat pan depth – too short There is more than 2-3” of
space behind the knee
when the person sits back
in the chair. This may focus
pressure on the underside
of the thigh, and the thigh
will not be supported.
8
9. Section A – The Chair, Continued
Arm Rests, Back Support and Duration of Sitting
Select the position of the arm rests. Once again, the scores that can be added on to postures are indicated by a
(+) in front of the number. The scores from both the arm rest section and the backrest section combined will
amount to the score across the top axis on the scoring chart.
Arms / Back rest
2 3 4 5 6 7 8 9
seatpanheight/depth
2 1 2 3 4 5 6 7 8
3 2 2 3 4 5 6 7 8
4 3 3 3 4 5 7 7 8
5 4 5 4 4 5 7 7 8
6 5 5 5 5 5 8 8 9
7 6 6 6 7 7 8 9 9
8 7 7 7 8 8 9 9 9
9
10. Scoring Examples - Armrest
Risk Factor Example Picture
Armrests too low There armrests do not
support the forearms with
the elbows bent to 90
degrees
Armrests too high The shoulders are
shrugged when the
forearm is on the armrest
and the elbow is at 90
degrees.
Hard or Damaged Surface The armrest is made of a
hard plastic/wood or
metal, and this creates a
pressure point on the
forearm. 10
11. Scoring Examples – Backrest
Risk factor Example Picture
No lumbar support The chair has a flat
backrest, possibly a plastic
or board room chair. This
is usually seen in less
expensive models.
The chair may have lumbar
support and it is not
positioned correctly in the
lower back
Angled too far back The backrest recline is too
far back, causing the
person to either sit
forward, or reach to the
keyboard.
No Back Support The worker is using a stool
or the backrest is not
positioned against the back
11
12. Arms / Back rest
2 3 4 5 6 7 8 9
SeatPanHeight/Depth
2 1 2 3 4 5 6 7 8
3 2 2 3 4 5 6 7 8
4 3 3 3 4 5 7 7 8
5 4 4 4 4 5 7 7 8
6 5 5 5 5 5 8 8 9
7 6 6 6 7 7 8 9 9
8 7 7 7 8 8 9 9 9
The combined score from the arm and back rest section will then be compared on the horizontal axis against
the seat pan depth and height on the vertical axis. The square in which the scores land will then be the score
for the chair.
To account for the duration that the worker spends in the chair per day, a score of -1 will be assigned if the
worker spends less than 1 hour a day in the chair throughout the day, or for less than 30 minutes
consecutively. If the worker spends 1-4 hours a day intermittently, or between 30 minutes to 1 hour
continuously in the chair, the duration score is 0. If the worker spends more than 4 hours a day in the chair
intermittently, or greater than 1 hour consecutively, the duration score will be +1. Add the duration score to
the chair score to receive your final chair score.
This will represent your score for section A, which will be used later to achieve a final score for the office.
1 5
12
13. Section B – Telephone and Monitor
Select the scores as present related to the monitor position for the worker. With this score, add 1 for use of
the monitor of greater than 4 hours per day intermittently, or 1 hour consecutively. Add a duration score of 0
if the work is between 1-4 hours intermittently, or 30minutes to 1 hour consecutively. Subtract 1 if there is less
than 1 hour of work done per day intermittently, or less than 30 minutes consecutively. This score is then to be
used along the horizontal axis
Select a score related to the position and usage of the telephone. Add in a duration factor of +1, 0 or -1 based
on the amount of time the worker spends on the phone per day. This score is then to be used along the
vertical axis.
Compare the score between the horizontal and vertical axis as done with the chair score. This score becomes
the Section B ROSA score, which will be used again later to receive the grand score. 13
Monitor
0 1 2 3 4 5 6 7
Phone
0 1 1 1 2 3 4 5 6
1 1 1 2 2 3 4 5 6
2 1 2 2 3 3 4 6 7
3 2 2 3 3 4 5 6 8
4 3 3 4 4 5 6 7 8
5 4 4 5 5 6 7 8 9
6 5 5 6 7 8 8 9 9
14. Scoring examples - Monitor
Risk Factor Example Picture
Monitor too low The top of the screen is 30
degrees below the sitting
eye height causing neck
flexion
Monitor too high The top of the screen is
above eye level, causing
the neck to be extended
while viewing the screen.
Neck twist The monitor is positioned
to the side of the worker,
or dual screens may cause
the worker to rotate the
head back and forth.
Documents used – no
document holder
The worker has to flex and
twist the neck in order to
view papers positioned on
the desk
14
15. Scoring Examples - Telephone
Risk factor Example Picture
Too far – reach The phone is positioned at
the back of the desk, and
when it rings, the worker
has to extend and bend
over the surface to grab
the handset.
Neck and Shoulder hold The worker has to use the
phone and computer at the
same time, and in order to
type, they will pinch the
handset between the neck
and the shoulder.
15
16. Keyboard
0 1 2 3 4 5 6 7
Mouse
0 1 1 1 2 3 4 5 6
1 1 1 2 3 4 5 6 7
2 1 2 2 3 4 5 6 7
3 2 3 3 3 5 6 7 8
4 3 4 4 5 5 6 7 8
5 4 5 5 6 6 7 8 9
6 5 6 6 7 7 8 8 9
7 6 7 7 8 8 9 9 9
Section C – Keyboard and Mouse
Select a score based on the position of the keyboard. If the keyboard is used for greater than 4 hours per day
intermittently, or 1 hour consecutively, use a duration score of +1. For between 1-4 hours intermittently, or
30minutes to 1 hour consecutively, use a score of 0. For 1 hour or less intermittently, or less than 30 minutes
consecutively, use a score of -1.
Select a score based on the mouse position. If the mouse is used for greater than 4 hours per day intermittently, or
1 hour consecutively, use a duration score of +1. For between 1-4 hours intermittently, or 30minutes to 1 hour
consecutively, use a score of 0. For 1 hour or less intermittently, or less than 30 minutes consecutively, use a score
of -1.
Select a score by finding the intersection between the keyboard and mouse scores. This score will now be used to
retrieve a score for the peripherals, monitor and telephone.
16
17. Scoring Examples - Mouse
Risk Factor Example Picture
Pinch grip on mouse The mouse is small (such as
a notebook mouse) leading
to a pinching of the mouse.
Reach to mouse The mouse is out to the
side of the keyboard,
causing abduction of the
arm. This may because the
person is small through the
shoulders, and the numeric
keypad causes further
mouse position.
Different surfaces Mouse reach may also be
cause if the keyboard tray
is too small, and the mouse
is on a separate surface.
17
18. Scoring Examples – Keyboard
Risk Factor Example Picture
Wrists extended The tray may be angled, or
the legs on the back of the
keyboard may be up
causing the wrists to be
extended while typing.
Deviation while typing A small keyboard can cause
wrist deviation while
typing (ie, laptop
keyboards)
Keyboard tray too high When typing, the
shoulders are shrugged in
order to rest the arms or
hands on the appropriate
desk surface.
18
19. Keyboard
0 1 2 3 4 5 6 7
Mouse
0 1 1 1 2 3 4 5 6
1 1 1 2 3 4 5 6 7
2 1 2 2 3 4 5 6 7
3 2 3 3 3 5 6 7 8
4 3 4 4 5 5 6 7 8
5 4 5 5 6 6 7 8 9
6 5 6 6 7 7 8 8 9
7 6 7 7 8 8 9 9 9
Monitor
0 1 2 3 4 5 6 7
Phone
0 1 1 1 2 3 4 5 6
1 1 1 2 2 3 4 5 6
2 1 2 2 3 3 4 6 7
3 2 2 3 3 4 5 6 8
4 3 3 4 4 5 6 7 8
5 4 4 5 5 6 7 8 9
6 5 5 6 7 8 8 9 9
Mouse and Keyboard
1 2 3 4 5 6 7 8 9
MonitorandTelephone
1 1 2 3 4 5 6 7 8 9
2 2 2 3 4 5 6 7 8 9
3 3 3 3 4 5 6 7 8 9
4 4 4 4 4 5 6 7 8 9
5 5 5 5 5 5 6 7 8 9
6 6 6 6 6 6 6 7 8 9
7 7 7 7 7 7 7 7 8 9
8 8 8 8 8 8 8 8 8 9
9 9 9 9 9 9 9 9 9 9
Peripherals and Monitor/Phone Score
Using the score retrieved from the Monitor and Phone score in Section B, highlight the correct number
on the horizontal axis. Using the correct score retrieved from the monitor and telephone section,
highlight the correct number on the vertical axis. Find the corresponding value within the scoring chart.
The value found from this scoring chart will now be used to find a final score by comparing it against the
value retrieved from Section A – The Chair.
19
20. Peripherals and Monitor
1 2 3 4 5 6 7 8 9 10
Chair
1 1 2 3 4 5 6 7 8 9 10
2 2 2 3 4 5 6 7 8 9 10
3 3 3 3 4 5 6 7 8 9 10
4 4 4 4 4 5 6 7 8 9 10
5 5 5 5 5 5 6 7 8 9 10
6 6 6 6 6 6 6 7 8 9 10
7 7 7 7 7 7 7 7 8 9 10
8 8 8 8 8 8 8 8 8 9 10
9 9 9 9 9 9 9 9 9 9 10
10 10 10 10 10 10 10 10 10 10 10
Arms / Back rest
2 3 4 5 6 7 8 9
seatpanheight
/depth
2 1 2 3 4 5 6 7 8
3 2 2 3 4 5 6 7 8
4 3 3 3 4 5 7 7 8
5 4 4 4 4 5 7 7 8
6 5 5 5 5 5 8 8 9
7 6 6 6 7 7 8 9 9
8 7 7 7 8 8 9 9 9
Mouse and Keyboard
1 2 3 4 5 6 7 8 9
MonitorandTelephone
1 1 2 3 4 5 6 7 8 9
2 2 2 3 4 5 6 7 8 9
3 3 3 3 4 5 6 7 8 9
4 4 4 4 4 5 6 7 8 9
5 5 5 5 5 5 6 7 8 9
6 6 6 6 6 6 6 7 8 9
7 7 7 7 7 7 7 7 8 9
8 8 8 8 8 8 8 8 8 9
9 9 9 9 9 9 9 9 9 9
The score from Section A is seen along the vertical axis, and the score from section B and C is seen along the
horizontal axis. These scores are then combined through this final scoring chart to receive the ROSA final score from
the office.
The ROSA final score is broken into two areas: further assessment not immediately required, and further assessment
required as soon as possible. 20