Exam (elaborations)
AN 3203 – ERGONOMICS FOR CHIROPRACTORS WORKSTATION TEST
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AN 3203 – ERGONOMICS FOR CHIROPRACTORS WORKSTATION TEST...
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AN 3203 – ERGONOMICS FORCHIROPRACTORS WORKSTATION
TEST
Haas 1930 Ergonomic Principles - ANSWER "The building of an
adjustable stool that encouraged 'good' posture helped
1. hasten recovery
2. maintain health
3. increase productivity through the principles of anatomy (Haas 1930)"
Ergonomics defined - ANSWER Greek ergon [work] + nomos [law]
focuses on the study of work performance with an emphasis on worker
SAFETY and PRODUCTIVITY.
Question 1: Which of the following aspects of chiropractic care focuses
on "upstream" prevention of MSK issues?
A.Spinal manipulation
B.Soft tissue therapy
C.Anti-inflammatory treatments
D.Ergonomics - ANSWER D)
Posture Goal - ANSWER -In general the goal is to minimize postural
demands (balanced moments)
-However, any one posture can become fatiguing
-Therefore changes in posture are important!
Changing posture - best current recommendation:
-Slightly adjusting the position of the _______, _______, _______,
_______, _______ and _______ is important
-Can be done by slightly adjusting the _______, _______, _______,
_______ or _______
,-The best feature of an ergonomic chair is it's ability to change the
position of the user..._______.
Introducing: _______ _______ _______ - ANSWER -Slightly adjusting
the position of the head, shoulders, arms, back, hips and legs is
important
-Can be done by slightly adjusting the chair, monitor, worker, task or
location
-The best feature of an ergonomic chair is it's ability to change the
position of the user...frequently.
-
Introducing: Self adjusting chairs
Misplaced precision:
-Getting an ergonomic assessment that focuses on exact positioning of
equipment does _______ _______ change _______.
-An ergonomist ordered a curved keyboard and moved the mouse
_______ mm to the right and said "now you are in a good ergonomic
position"
-These changes, did not address the habits of _______ and _______
_______ duration. - ANSWER -Getting an ergonomic assessment that
focuses on exact positioning of equipment does not automatically
change behaviour.
-An ergonomist ordered a curved keyboard and moved the mouse 3 mm
to the right and said "now you are in a good ergonomic position"
-These changes, did not address the habits of slouching and long sitting
duration.
Computer Ergonomics:Workstation Layout and Lighting: List the 3
Worker Postures - ANSWER Reclined
Neutral Forward
Neutral Standing
, Computer Ergonomics:Workstation Layout and Lighting: List the 2
Keyboard Positions - ANSWER High
Low
Computer Ergonomics:Workstation Layout and Lighting: High Keyboard
Position
-If work surface too high (kitchen counter, dinning room table), user
requires continuous ______ effort "______ effort" or "______ loading"
-______ effort can cause ______ and hinder blood flow, increasing
discomfort (A)
- ______ position may also be compromised with high work surfaces (C)
- ANSWER -If work surface too high (kitchen counter, dinning room
table), user requires continuous muscular effort "static effort" or "static
loading"
-Static effort can cause fatigue and hinder blood flow, increasing
discomfort (A)
- Wrist position may also be compromised with high work surfaces (C)
Computer Ergonomics:Workstation Layout and Lighting: Low Keyboard
Position
-Worker may lean ______, stressing back and arms (B)
-Wrists tend to ______, stressing muscles and tissues
-______ pose an issue - ANSWER -Worker may lean forward,
stressing back and arms (B)
-Wrists tend to EXTEND, stressing muscles and tissues
-Laptops pose an issue
Question 2: What is a potential issue with a keyboard and mouse
position that is too high?
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