Plantaris

Origin Lateral supracondylar ridge of femur, oblique popliteal ligament Insertion Posterior surface of the calcaneus Actions Plantar flexes foot, flexes leg Nerve Tibial nerve (S1, S2) Note This muscle is not always present

Peroneus Longus (Fibularis Longus)

Origin Upper two-thirds of lateral surface of fibula Insertion Lateral side of medial cuneiform, base of first metatarsal Actions Plantar flexes, everts foot Nerve Superficial peroneal nerve (L4, L5, S1) Note

Triceps Surae

OriginInsertionActionsNerveNote The triceps surae is a muscle located at the calf. It is composed by the two-headed Gastrocnemius and the Soleus.  These muscles both insert into the calcaneus and form the major part of the muscle of the posterior leg, commonly known...

Flexor Digitorum Longus – Foot

Origin Medial part of posterior surface of tibia. Insertion Bases of distal phalanges of second, third, fourth, and fifth toes. Actions Flexes distal phalanges of lateral four toes, assists in plantar flexing foot, inverts foot. Nerve Tibial nerve (L5, S1). Note