CEA Human Anatomy & Biomechanics

Question 1

Which part of the body is most commonly associated with work-related musculoskeletal disorders?

Accepted Answer

Lower back

Answer

The lower back is one of the most common areas affected by work-related musculoskeletal disorders due to poor posture and repetitive lifting.

Question 2

What is the function of tendons in the musculoskeletal system?

Accepted Answer

Connect muscles to bones

Answer

Tendons connect muscles to bones and transmit the force needed for movement.

Question 3

What biomechanical principle explains the stress placed on joints during repetitive motion?

Accepted Answer

Cumulative trauma

Answer

Cumulative trauma refers to repeated stress and strain on joints and tissues over time, leading to injuries.

Question 4

Which joint type allows for the greatest range of motion?

Accepted Answer

Ball-and-socket joint

Answer

Ball-and-socket joints like the shoulder and hip allow for the widest range of movement in multiple directions.

Question 5

Why is neutral posture important in ergonomic design?

Accepted Answer

Minimizes strain on the musculoskeletal system

Answer

Neutral posture reduces stress on muscles and joints, minimizing the risk of injury during prolonged tasks.

(CEA) Certified Ergonomics Associate Practice Test