10. Muscles

Which of the following muscles is the prime mover for flexion of the arm at the shoulder?

To which bony process does the deltoid muscle attach?

Which muscle primarily plantarflexes the foot at the ankle joint?

What structure attaches a muscle to a bone?

What is the primary action of the quadriceps femoris muscle group at the knee joint?

Which muscle is primarily responsible for flexion of the elbow?

Which facial muscle primarily elevates (raises) the corner of the mouth during smiling?

What is the primary action of the pronator teres muscle?

What is the primary action of the triceps brachii muscle at the elbow joint?

Which muscle is the primary flexor of the thigh at the hip joint?

Which of the following muscles extends the knee?

Which muscle is primarily responsible for rotating the scapula upward during arm elevation?

Which muscle relaxes to allow the elbow to flex?

What is the primary action of the iliopsoas muscle at the hip joint?

Which of the following best explains how muscles and bones work together to bend the arm at the elbow?