Ergonomics Flashcards
What is ergonomics?
study of how humans interact with other elements in order to optimize performance and human well-being
What is a phrase for ergonomics?
fitting the job to the worker
Why is ergonomics important (what are three most common reasons for workplace injuries in ORDER)
overexertion LEADING CAUSE
bodily injury and repetitive motion also common
What are 7 symptoms of musculoskeletal disorders?
discomfort, pain, numbness, loss of motion/flexibility, burning, swelling, tingling
What are 5 common MSD disorders?
______ _____ syndrome
_____ elbow
_____ cuff
______ disks
______
carpal tunnel syndrome, tennis elbow, rotator cuff, herniated disks, tendinitis
What is most commonly affected part of the body with MSDs?
upper extremities (30%)
What percent of people have a MSD related to the back?
17%
What are 4 risk factor examples for MSDs?
____ force
____
_____ postures
_____ pressure
______ temperature
______
EXCESSIVE FORCE.
REPETITION.
AWKWARD POSTURES.
LOCALIZED PRESSURE.
COLD TEMPERATURE.
VIBRATION.
How do you prevent MSDs?
establish _____ program
conduct ______ analysis
establish ergonomics program, conduct job hazard analysis
What are some ergonomic control methods?
good _____, ____, _____
design a proper work station
ergonomically designed tools
ergonomically designed equipment
load weight reduction
What are some examples of proper work practices to not get MSDs?
use proper ___
work ____
___ variety
increase ____
use proper lifting techniques, work rotation, task variety, increase rest breaks
What are some examples of PPE (NON-LAB)?
things for the arms and hands and knees (3)
gripping gloves, knee-pads, lifting straps
What is a solution to the hazard reaching above the head/shoulders for more than 2 hours a day?
elevate __
keep items _____
remove ___
utilize equipment to ____
elevate work areas or keep items within close reach, remove obstacles, utilize equipment to lower items
What is a solution to the hazard working with the neck/back bent forward more than 30* more than 2 hours per day?
_____ the work for better access
use a ___
use ___ with ____ handles
alternate between ____
raise/tilt the work for better access, use a stool, use tools with longer handles, alternate between bending/kneeling
What is a solution to the hazard awkward grips (gripping 10 pounds or more of force for more than 2 hours per day)?
use ____/___ postures
task ______
use non-grip/non-pinch postures, task rotation
What are some proper lifting techniques?
keep the load ___
lift by ____ not ____
shift ___ to turn
keep the load close to you, lift by pushing up with your legs, with your legs, not your back, shift your feet to turn
What are the three levels of vibration?
high - more than 2 hours per day
moderate - more than 30 minutes per day
prolonged
What are some examples of things that might affect MSDs?
w___, t___, v____
hot weather, cold weather, high-temperature, cold-temperature, low visibility
What are some signs that mean you MUST REPORT?
pain is ____ or it ____
there is _____/_____
unable to ____
fingers ____
pain is persistent, radiates, there is numbing/tingling, unable to sleep, fingers white
MSDs account for___% of all injuries.
33%
What is considered good posture?
one that places the least amount of stress on your muscles and joints.
What is neutral posture?
Keep your body vertically aligned
Look straight ahead
Relax your shoulders; don’t hunch forward
Allow arms and hands to hang comfortably
Keep your legs straight, but don’t lock your knees
When lifting: make sure you DO NOT….
lift ___ loads (___ pounds)
___ across __ to ___ a load
lift __ or ___ loads
reach to ____ or lift while ____-
Lift heavy loads (35 pounds or more) without getting help
Reach across something to lift a load
Lift bulky or uneven loads
Reach to the side or lift while twisting
What is the most important part of the S-curve while sitting?
lower back or lumbar
What does RSI stand for?
repetitive strain injury
Studies have shown that pipetting for more than ____ hours/year can contribute to increased risk of hand ailments?
300
What are white fingers a sign of?
Raynaud’s Syndrome
blood vessels collapse due to too much vibration (hand-arm vibration syndrome)
What is De Quervain’s disease?
pain at the base of the thumbs due to too much twisting/gripping
usually for housekeepers or butchers
What is Tenosynovitis?
hand/wrist pain due to repeated motions
