Muscular System Structure and Function Quiz

Biceps brachii is the primary muscle responsible for flexing the forearm during bicep curls.

The triceps brachii muscle is responsible for extending the forearm during activities like push-ups.

Psoas major is the muscle responsible for flexing the hip and is commonly known as the 'hip flexor'.

The gastrocnemius muscle is responsible for plantar flexion of the ankle.

The pronator teres muscle is responsible for pronation of the forearm.

The deltoid muscle primarily functions in the abduction of the shoulder.

Smooth muscle is involuntary and is found in the walls of organs like the stomach and intestines.

The latissimus dorsi muscle's main function is the adduction of the shoulder.

Perimysium is the connective tissue that surrounds a bundle of muscle fibers.

The primary action of the serratus anterior muscle is the protraction of the scapula.

The trapezius muscle is responsible for the elevation and depression of the shoulder girdle.

Glycogen phosphorylase is the enzyme that breaks down muscle glycogen into glucose during exercise.

The primary function of the gluteus medius muscle is the abduction of the hip.

Troponin binds to calcium ions and initiates muscle contraction during muscle contraction.

The supraspinatus muscle functions in the abduction of the arm.