CFO Anatomy & Physiology 3

Question 1

The sustentaculum tali is a bony shelf found on which tarsal bone?

Accepted Answer

Calcaneus

Answer

The sustentaculum tali is a medial projection of the calcaneus that supports the head of the talus.

Question 2

Which ligament primarily prevents excessive eversion of the subtalar joint?

Accepted Answer

Deltoid ligament

Answer

The deltoid ligament is a strong medial ligament complex that resists eversion and lateral displacement of the talus.

Question 3

Which component of the gait cycle immediately follows heel strike?

Accepted Answer

Loading response

Answer

Loading response immediately follows heel strike as the foot accepts body weight and the foot contacts the ground fully.

Question 4

The peroneus longus tendon passes under which bony structure to reach the plantar foot?

Accepted Answer

Cuboid groove

Answer

The peroneus longus tendon passes through the groove on the inferior surface of the cuboid to reach the plantar foot.

Question 5

Which artery is the primary blood supply to the dorsum of the foot?

Accepted Answer

Dorsalis pedis artery

Answer

The dorsalis pedis artery, a continuation of the anterior tibial artery, is the primary supply to the dorsal foot.

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