CCEP Extremity Anatomy 4

Question 1

The 'terrible triad' injury of the elbow involves disruption of which three structures?

Accepted Answer

Lateral collateral ligament, coronoid process, radial head

Answer

The terrible triad of the elbow consists of posterior dislocation with fractures of both the coronoid process and the radial head, plus lateral collateral ligament disruption.

Question 2

Which muscle of the rotator cuff has its primary action as internal rotation of the humerus?

Accepted Answer

Subscapularis

Answer

The subscapularis is the only rotator cuff muscle that internally rotates the humerus; it also adducts and assists in stabilizing the humeral head anteriorly.

Question 3

The deep peroneal nerve supplies motor innervation to the anterior compartment of the leg and terminates by providing sensation to which area of the foot?

Accepted Answer

First web space (between hallux and second toe)

Answer

The terminal sensory branch of the deep peroneal nerve provides sensation to the first dorsal web space between the great and second toes.

Question 4

Which of the following ligaments is the PRIMARY restraint to valgus stress at the elbow?

Accepted Answer

Anterior bundle of the medial (ulnar) collateral ligament

Answer

The anterior bundle of the medial (ulnar) collateral ligament is the primary static restraint to valgus stress at the elbow, particularly between 30° and 120° of flexion.

Question 5

The plantar fascia originates from the:

Accepted Answer

Medial process of the calcaneal tuberosity

Answer

The plantar fascia (plantar aponeurosis) originates primarily from the medial process of the calcaneal tuberosity and fans distally to insert at the proximal phalanges.

(CCEP) Certified Chiropractic Extremity Practitioner Practice Test

(CCEP) Certified Chiropractic Extremity Practitioner Practice Test

CCEP Extremity Anatomy 4