Muscles of the anterior and lateral compartments of the leg and their actions

What are the muscles of the anterior compartment of the leg collectively called?

Dorsiflexors as they dorsiflex the foot at the ankle

What are the four muscles of the anterior compartment of the leg?

Tibialis anterior

Fibularis tertius

Extensor digitorum longus

Extensor hallucis longus

What are the actions of the tibialis anterior?

dorsiflexion and inversion of the foot

Helps stabilise leg and ankle into a verticle position

Helps maintain the medial longitudinal arch of the foot

What are the actions of the fibularis tertius? (AKA peroneus tertius)

Tilts the sole of the foot away from the mdiline of the body (eversion) and to pull the foot upwards toward the body (dorsiflexion)

What is the action of the extensor digitorum longus?

Extends the toes 2-5 and dorsiflexes the ankle

What is the action of the extensor hallucis longus?

Extends the hallux and dorsiflexes the ankle

What is the action and name of the muscles in the lateral compartemnts of the leg?

Eversion and plantarflexion

Fibularis longus and fibularis brevis

What are th efibularis longus and fib. brevis also known as?

peroneus longus and brevis