Plantarflexion



Plantarflexion is the movement which increases the angle between the foot and the leg, as when depressing an automobile pedal. The word "Plantar" translates as "toward the sole" ("Planta").

The movement in the opposite direction is Dorsiflexion.

The range of motion for Plantarflexion is usually indicated in the literature as 30° to 40°, but sometimes also 50°.

The nerves are primarily from S1 and S2.

Muscles
Primary muscles for Plantarflexion are:
 * Lateral compartment of leg
 * peronaeus longus
 * peronaeus brevis


 * Posterior compartment of leg
 * superficial
 * gastrocnemius
 * soleus
 * plantaris (only weak participation)
 * deep
 * flexor hallucis longus
 * flexor digitorum longus
 * tibialis posterior