Question

1. Remember: When you lift your arm above your head, the scapula protracts, elevates, and upwardly rotates. When you bring your arm down to your side, the scapula retracts, depresses, and downwardly rotates.

2. What is the difference between the actions of the pectoralis minor and the serratus anterior? Which muscle likely contracts more when you lift your arm above your head?

3. List all the actions of the trapezius muscle on the neck. List all the actions of the trapezius muscle on the scapula.

4. What actions do the pectoralis major, latissimus dorsi, and teres major have in common?

5. List the four rotator cuff muscles. What function do they have together?

6. If you hold a weight in your hand and flex your elbow, what three muscles are you exercising?

7. What three muscles supinate the forearm? What two muscles pronate the forearm?

8. List the four joints that make up the shoulder. List the three joints that make up the elbow. List the joints that make up the wrist and hand. List the motions that occur at all these joints.

9. The antebrachium is divided into an anterior and posterior compartment. List the muscles that are attached at the medial epicondyle. List the muscles that are attached to the lateral epicondyle.

10.If your patient complained of pain during wrist flexion, what five muscles could be contributing to the pain? What are the four wrist extensors?

11. Which finger flexor has tendons that go all the way to the distal phalanx? _________________________________________________________________

12. List the actions for the abductor pollicis longus and the extensor pollicis brevis. What actions are the same?

13. List the joints and all of the motions of the hip, knee, and foot/ankle. You do NOT need to know about the medial and lateral rotation that occurs at the knee.

14. List the motions of the sartorius and the tensor fascia lata. Which one is considered the “leg crossing” muscle?

15. When you swing your leg forward to take a step, you are using your hip flexors to do this. List the four hip flexors.

16. What four muscles are located at the medial thigh? What action do they have in common? Note that these are the muscles that are injured in a “groin pull”.

17. The gluteus maximus is the “sit muscle”. When we sit, we are on our gluteus maximus muscles. What is the “sit boney structure” on the pelvis”? _________________________________________________________________

18. List the locations and actions of the deltoid muscle and the gluteus medius muscle. How are they the same?

19. List the four knee muscles that extend the knee. What one hip muscle also extends the knee?

20. List the three knee muscles that flex the knee. What two hip muscles also flex the knee? What one muscle of the foot/ankle also flexes the knee?

21. Walk up a flight of stairs. When your forward leg is resting on the step above, your hip and knee are in a _________________ (flexed, extended) position. What hip muscle group and what knee muscle group are contracting when you step up onto the next stair? _________________________________________________________________

22. List the four muscles located on the anterior crus (anterior group). What one action do they all have in common?

23. What actions do the two muscles located in the lateral crus (lateral group) have in common? _________________________________________________________________

24. Does the gastrocnemius or the soleus muscle cross the knee? How are the actions of the gastrocnemius and soleus different?

25. List the actions of the flexor digitorum longus and the flexor hallucis longus. What motions are different?

Answer 1