Gym Trainer Anatomy & Physiology

Question 1

Which muscle is the primary mover during a barbell squat?

Accepted Answer

Quadriceps

Answer

Hamstrings

Answer

Glutes

Answer

Calves

Question 2

What is the term for the ability of a muscle to exert force through its full range of motion?

Accepted Answer

Functional strength

Answer

Absolute strength

Answer

Relative strength

Answer

Isometric strength

Question 3

Which energy system is primarily used during a 10-second all-out sprint?

Accepted Answer

ATP-PCr system

Answer

Glycolytic system

Answer

Oxidative system

Answer

Lactate system

Question 4

The biceps brachii performs which two primary joint actions?

Accepted Answer

Elbow flexion and forearm supination

Answer

Elbow flexion and forearm pronation

Answer

Elbow extension and shoulder flexion

Answer

Shoulder abduction and elbow flexion

Question 5

Which term describes the phase of a muscle contraction where the muscle lengthens under load?

Accepted Answer

Eccentric

Answer

Concentric

Answer

Isometric

Answer

Isokinetic

Question 6

The rotator cuff is composed of how many muscles?

Accepted Answer

4

Answer

3

Answer

5

Answer

2