Muscle Functions

Front

What muscle protracts the scapula and raises the arm?

Back

Serratus anterior

Front

Which muscle flexes and rotates the head?

Back

Sternocleidomastoid

Front

What muscle group is responsible for extending the knee?

Back

Quadriceps group

Front

Which muscle rotates and adducts the humerus?

Back

Teres major

Front

What muscle elevates the rib cage for inspiration?

Back

External intercostals

Front

What is the primary function of the pectoralis major?

Back

Adducts and medially rotates the humerus.

Front

Which muscle is involved in shoulder flexion and abduction?

Back

Deltoid

Front

What is the role of the hamstrings group?

Back

Flexes the knee and extends the hip.

Front

Which muscle assists in forced expiration?

Back

Internal intercostals

Front

What is the function of the gastrocnemius muscle?

Back

Plantar flexes the foot and flexes the knee.