Ankle and Foot Muscles

Front

O: Medial and lateral condyles of femur
I: Posterior calcaneus
A: Knee flexion and ankle plantar flexion
Options: Soleus, Plantaris, Gastrocnemius, Tibialis Posterior

Back

Gastrocnemius

Front

O: Posterior tibia and fibula
I: Posterior calcaneus
A: Ankle plantar flexion
Which muscle is involved?

Back

Soleus

Front

What muscle has its origin at the posterior lateral condyle of femur and insertion at the posterior calcaneus, with a very weak assist in knee flexion and ankle plantar flexion? Options: Soleus, Plantaris, Gastrocnemius, Tibialis Posterior

Back

Plantaris

Front

O: Interosseous membrane, adjacent tibia and fibula
I: Navicular and most tarsals and metatarsals
A: Ankle inversion; assists in plantar flexion

Back

Tibialis Posterior

Front

What muscle flexes the four lesser toes, assists in ankle inversion, and plantar flexion of the ankle? Options: Flexor Hallucis Longus, Flexor Digitorum Longus, Tibialis Anterior, Extensor Hallucis Longus

Back

Flexor Digitorum Longus

Front

O: Lateral tibia and interosseous membrane
I: First cuneiform and first metatarsal
A: Ankle inversion and dorsiflexion

Back

Tibialis Anterior

Front

What muscle extends the first toe IP and MTP joints; assists in ankle inversion and dorsiflexion? Options: Flexor Hallucis Longus, Flexor Digitorum Longus, Tibialis Anterior, Extensor Hallucis Longus

Back

Extensor Hallucis Longus

Front

O: Fibula and interosseous membrane
I: Distal phalanx of great toe
A: Extends first toe IP and MTP joints; assists in ankle inversion and dorsiflexion
Options: Flexor Hallucis Longus, Flexor Digitorum Longus, Tibialis Anterior, Extensor Hallucis Longus

Back

Flexor Hallucis Longus

Front

O: Lateral proximal fibula and interosseous membrane
I: Plantar surface of first cuneiform and metatarsal
A: Ankle eversion; assists in ankle plantar flexion
What muscle is described?

Back

Fibularis Longus

Front

O: Lateral distal fibula
I: Tuberosity on base of fifth metatarsal
A: Ankle eversion; assists in plantar flexion
Options: Fibularis Longus, Fibularis Brevis, Fibularis Tertius, Tibialis Posterior

Back

Fibularis Brevis