ACSM-EP Musculoskeletal Anatomy 2

Question 1

Which muscle is the primary hip flexor and originates from the lumbar vertebrae and iliac fossa?

Accepted Answer

Iliopsoas

Answer

The iliopsoas, composed of the iliacus and psoas major, is the primary hip flexor originating from the lumbar vertebrae (psoas) and iliac fossa (iliacus).

Question 2

The rotator cuff is composed of four muscles. Which of the following is NOT part of the rotator cuff?

Accepted Answer

Teres major

Answer

The rotator cuff consists of the supraspinatus, infraspinatus, teres minor, and subscapularis; teres major is not part of the rotator cuff.

Question 3

Which joint type allows the greatest range of motion and is classified as a ball-and-socket joint?

Accepted Answer

Glenohumeral joint

Answer

The glenohumeral (shoulder) joint is a ball-and-socket joint that allows the greatest range of motion of any joint in the body.

Question 4

Which ligament of the knee prevents anterior translation of the tibia relative to the femur?

Accepted Answer

Anterior cruciate ligament

Answer

The anterior cruciate ligament (ACL) resists anterior tibial translation and rotational forces, making it the primary stabilizer against anterior knee displacement.

Question 5

The soleus muscle differs from the gastrocnemius in that it:

Accepted Answer

Crosses only the ankle joint

Answer

Unlike the gastrocnemius which crosses both the knee and ankle, the soleus originates below the knee and crosses only the ankle joint.

ACSM Practice Test

ACSM Practice Test

ACSM-EP Musculoskeletal Anatomy 2