NCSF-CPT Exercise Science & Anatomy 2

Question 1

What term describes the shortening of a muscle during force production?

Accepted Answer

Concentric contraction

Answer

A concentric contraction occurs when a muscle shortens as it produces force, such as the upward phase of a bicep curl.

Question 2

Which joint allows the greatest range of motion in the human body?

Accepted Answer

Shoulder (glenohumeral) joint

Answer

The glenohumeral (shoulder) joint is a ball-and-socket joint that permits the greatest range of motion of any joint in the body.

Question 3

What is the function of the stretch reflex (myotatic reflex)?

Accepted Answer

Stimulates muscle contraction when the muscle is rapidly stretched

Answer

The stretch reflex causes a rapid muscle contraction in response to sudden muscle lengthening, protecting the muscle from tearing.

Question 4

Which of the following is considered a synergist muscle?

Accepted Answer

A muscle that assists the prime mover

Answer

A synergist assists the prime mover (agonist) by contributing force or refining the movement pattern.

Question 5

What is the primary role of the rotator cuff?

Accepted Answer

Stabilization of the glenohumeral joint

Answer

The rotator cuff muscles (SITS) stabilize the head of the humerus within the glenoid fossa during shoulder movements.

NCSF-CPT Exam Practice Test