Unit 5 EXAM: Muscular System - 24-25

Front

What is hypertrophy?

Back

Hypertrophy is the increase in the size of muscle cells, leading to larger muscles, often as a result of strength training.

Front

What muscle flexes and rotates the head toward the opposite side?

Back

The Sternocleidomastoid muscle.

Front

Which muscle is responsible for shrugging the shoulders?

Back

The Trapezius muscle.

Front

What is the primary function of the Pectoralis major muscle?

Back

The Pectoralis major muscle is responsible for the movement of the shoulder joint, including flexion, adduction, and internal rotation.

Front

What muscle group is known as the Hamstring Group?

Back

The Hamstring Group consists of three muscles: Biceps Femoris, Semitendinosus, and Semimembranosus, located at the back of the thigh.

Front

What is the function of the Gastrocnemius muscle?

Back

The Gastrocnemius muscle is responsible for plantar flexion of the foot and flexion of the knee.

Front

Define atrophy in the context of muscles.

Back

Atrophy is the decrease in muscle size and strength due to disuse, injury, or disease.

Front

What is the role of the Deltoid muscle?

Back

The Deltoid muscle is responsible for shoulder abduction, flexion, and extension.

Front

Identify the muscle that is primarily involved in chewing.

Back

The Masseter muscle.

Front

What is the function of the Rectus Abdominis muscle?

Back

The Rectus Abdominis muscle is responsible for flexing the lumbar spine and stabilizing the pelvis.