Articularis Genu

OriginThe inferior part of the anterior face of femur.InsertionOn the supra-patellar part of the synovial membrane of the knee.ActionsIt elevates the capsule and the synovial membrane of the knee joint and prevents them from being pinched during extension of the...

Extensor Digitorum Longus – Foot

Origin Upper two-thirds of anterior surface of fibula, interosseous membrane, lateral condyle of tibia. Insertion Along dorsal surface of proximal phalanges of four lateral toes, and then to bases of middle and distal phalanges. Actions Extends toes, dorsiflexes foot,...

Extensor Hallucis Longus

Origin Middle half of anterior surface of fibula and interosseous membrane. Insertion Base of distal phalanx of great toe. Actions Extends, hyperextends great toe, dorsiflexes and inverts (supinates) foot. Nerve Deep peroneal nerve (L4, L5, S1). Note