CCEP Anatomy & Biomechanics of Extremities

Question 1

Which muscle group is primarily responsible for shoulder abduction?

Accepted Answer

Deltoid (middle part)

Answer

Pectoralis major.

Answer

Latissimus dorsi.

Answer

Trapezius.

Question 2

What is the role of the rotator cuff in the shoulder?

Accepted Answer

Stabilizing the shoulder joint

Answer

Allowing for shoulder abduction.

Answer

Supporting the elbow joint.

Answer

Providing power for shoulder extension.

Question 3

Which of the following muscles is responsible for knee extension?

Accepted Answer

Quadriceps femoris

Answer

Hamstrings.

Answer

Adductors.

Answer

Gastrocnemius.

Question 4

What is the primary function of the iliotibial band (ITB)?

Accepted Answer

Stabilizing the lateral aspect of the knee

Answer

Flexing the hip joint.

Answer

Adducting the hip.

Answer

Rotating the femur.

Question 5

Which ligament prevents hyperextension of the knee?

Accepted Answer

Posterior cruciate ligament (PCL)

Answer

Anterior cruciate ligament (ACL).

Answer

Medial collateral ligament (MCL).

Answer

Lateral collateral ligament (LCL).

Question 6

Which of the following muscles is the prime mover in plantarflexion of the foot?

Accepted Answer

Gastrocnemius

Answer

Tibialis anterior.

Answer

Soleus.

Answer

Peroneus longus.

Question 7

What is the function of the biceps brachii in the upper extremity?

Accepted Answer

Elbow flexion and supination

Answer

Elbow flexion and pronation.

Answer

Shoulder abduction.

Answer

Wrist extension.

Question 8

What joint is primarily responsible for flexion and extension of the elbow?

Accepted Answer

Humeroulnar joint

Answer

Humeroradial joint.

Answer

Radioulnar joint.

Answer

Scapulohumeral joint.

Question 9

Which muscle group is responsible for hip flexion?

Accepted Answer

Iliopsoas and rectus femoris

Answer

Gluteus maximus.

Answer

Quadriceps femoris.

Answer

Hamstrings.