Ergonomics

Question 1

What is ergonomics

Answer 1

►The science of work – understanding the interactions among humans and other elements of a system
►The study of humans, objects, or machines and the interaction between them

Question 2

The purpose of OT in ergonomics

Answer 2

Optimize function and work performance through education adaptation

Question 3

Work related risk factors

Answer 3

Repetition (frequency )
Awkward or sustained posture
Forceful exertion
Contact stress
Extreme temperatures
Vibrations

Question 4

Intensifiers

Answer 4

►Intensity or magnitude: strength of exposure
►Duration: length of exposure
►Temporal profile: pattern of exposure (workday, work week, etc.)
►Cold temperatures

Question 5

Work related musculoskeletal disorders are conditions in which

Answer 5

The work environment or work performance contribute to the condition
►The condition is worsened or persists longer due to working conditions

Rotator Cuff Tendinitis
►Subacromial Bursitis
►Lateral Epicondylitis
►Carpal Tunnel Syndrome
►de Quervain’s Disease
►Trigger Finger
►Arthritis
►Pain (back pain most common

Question 6

Common characteristics

Answer 6

►The causes are multifactorial
►Involve both mechanical and physiologic mechanisms
►Related to intensity and duration of work
►Symptoms can be poorly localized, non-specific, and episodic

Question 7

Lightning and visions

Answer 7

Set the monitor 90 from a window don’t face the window and don’t have it your back if it’s not possible use a shades
20-20-20 rule this means every 20 minutes look at 20 feet away for 20 seconds

Question 8

In body in sitting position for long time

Answer 8

Decrease in physical capacity
Increases fatigue
Difficult to turn blood to heart in lower extremity vascular
Decrease lumber lordosis