ESC-340 Lecture Notes - Lecture 10: Flexor Digitorum Longus Muscle, Anterior Tibiofibular Ligament, Peroneus Longus

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Document Summary

Foot and ankle: 26 bones, 19 large muscles, many small (intrinsic muscles, more than 100 ligaments. Joints: the tibiofibular joints, proximal and distal joints, syndesmosis joint, bones are held together by ligaments and a strong membrane that make this joint. Foot arches: 2 longitudinal arches (lateral and medial, extend from calcaneus up to the metatarsals, medial calcaneus to 1st metatarsal, lateral calcaneus to 5th metatarsal, 1 transverse arch, through the bases of the metatarsals. Muscles: muscles that are medial are primarily inversion, muscles that are lateral are primarily eversion, deep posterior compartment, flexor digitorum longus. 2: anterior compartment, tibialas anterior, peroneus tertius, extensor digitorum longus, extensor hallucis longus, superficial posterior, gastrocnemius, soleus, plantaris, lateral compartment, peroneus longus, peroneus brevis. Nerves: sciatic nerve important for lower body muscle innveration, lumnosacral plexus. Muscles by function: plantar flexors located primiarly posterior, dorsiflexors anterior, evertors lateral, invertors medial.

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