CFO Anatomy & Physiology 2

Question 1

Which tarsal bone articulates with both the tibia and fibula to form the ankle mortise?

Accepted Answer

Talus

Answer

The talus forms the ankle mortise by articulating superiorly with the tibia and laterally with the fibula.

Question 2

The plantar fascia originates from which bony landmark?

Accepted Answer

Medial calcaneal tubercle

Answer

The plantar fascia originates from the medial calcaneal tubercle and fans out to insert at the metatarsal heads.

Question 3

Which muscle is primarily responsible for dorsiflexion of the ankle?

Accepted Answer

Tibialis anterior

Answer

The tibialis anterior is the primary dorsiflexor of the ankle, lifting the foot during the swing phase of gait.

Question 4

The Achilles tendon is the combined tendon of which two muscles?

Accepted Answer

Gastrocnemius and soleus

Answer

The Achilles tendon is formed by the convergence of the gastrocnemius and soleus tendons.

Question 5

Which nerve provides sensory innervation to the dorsum of the foot?

Accepted Answer

Deep peroneal nerve

Answer

The deep peroneal nerve provides sensory innervation to the first web space and contributes to dorsal foot sensation.

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