Muscles of Lower Leg

Origins and insertions of muscles in the lower leg.

Gastrocnemius (calf)

Origin: condyles of femur (posterior)

Insertion: calcaneus

Soleus

Origin: proximal posterior tibia (Soleal line)

Insertion: calcaneus

Plantaris

Origin: lateral femoral condyle

Insertion: calcaneus

Tibialis Anterior

Origin: lateral condyle of the tibia & proximal, lateral tibial surface & interosseous membrane

Insertion: Medial cuneiform (base of 1st MET(metatarsals))

Extensor Hallucis Longus

Origin: middle, anterior surface of fibula & interosseous membrane

Insertion: Distal phalanx of the great toe

Extensor Digitorum Longus

Origin: tibial lateral condyle & proximal, anterior fibular shaft & interosseous membrane

Insertion: Middle and distal phalanges & 2-5th toes

Peroneus Tertius

Origin: lower 1/3 of anterior fibula & interosseous membrane

Insertion: base of the 5th MET

Peroneus Longus

Origin: fibular head & proximal 2/3 lateral fibula

Insertion: base of 5th MET & medial cuneiform

Peroneus Brevis

Origin: distal 2/3 lateral fibula

Insertion: 5th MET

Tibialis Posterior

Origin: proximal, posterior tibia & fibula, interosseous membrane

Flexor Hallucis Longus

Origin: middle ½ of posterior fibula

Insertion: distal phalanx of great toe

Flexor Digitorum Longus

Origin: middle, posterior tibia

Insertion: distal phalanges of 2nd-5th toes