Muscles of the Leg Flashcards
Attachments of the tibialis anterior
Origin: Tibia
Insertion: dorsal aspect of the medial cuneiform
Muscles of the leg anterior compartment
Tibialis anterior, Extensor digitorum longus, Extensor Hallucis longus, Fibularis tertius
Attachments of the extensor digitorum longus
Origin: Tibia
Insertion: bases of the lateral four digits
Action of tibialis anterior
Dorsiflexion of the foot
Attachments of the extensor hallucis longus
Origin: fibula
Insertion: base of the distal phalanx
Muscles of the lateral compartment of the leg
Peroneus longus, Peroneus brevis
Attachments of peroneus longus
Origin: lateral surface of fibula
Insertion: bottom of medial cuneiform
Attachments of peroneus brevis
Origin: lateral surface of distal fibula
Insertion: tuberosity of 5th metatarsal
Action of peroneus longus and peroneus brevis
plantar flexion and eversion of subtalar joint
Muscles of the superficial posterior compartment of the leg
Gastrocnemius, soleus, plantaris
Attachments of the plantaris
Origin: lateral condyle of femur
Insertion: dorsum of calcaneus medial to calcaneal tendon
Action of plantaris
plantarflexion
Muscles of deep compartment of the leg
flexor digitorum longus, tibialis posterior, flexor hallucis longus, popliteus
Tibialis posterior attachments
Origin: interosseous membrane
Insertion: medial cuneiform
Action of tibialis posterior
plantar flexion
