Leg z z z z Compartments Three compartments Anterior dorsiflexors innervated by deep peroneal blood supply from ant tibial aa Lateral evertors of foot innervated by superficial peroneal nerve blood supply from peroneal aa Posterior plantar flexors innervated by tibial nerve blood supply from posterior tibial aa Compartments Tibio Fibular Joints z z z z Proximal T F Joint Proximal Middle Interossseous Membrane Distal Proximal Head of Fibula with Lateral Condyle Synovial Gliding A and P Ligaments Middle Interosseous Membrane Fibrous purpose Distal inferior fibula with inferior tibia interosseous membrane and A and P Inferior tibiofibular ligaments union and support essential for ankle stability Middle and Distal T F Joints 1 All Three Distal T F Joint Distal T F Joint Anterior Compartment z z General Innervation Blood supply Muscles note retinaculum Tibilais Anterior Extensor Hallicus Longus Extensor digitorum longus Extensor digitorum Brevis z z Anterior Compartment Muscles Anterior compartment syndrome Eccentric role of dorsiflexors drop foot Anterior Compartment 2 Lateral Compartment z z Lateral Compartment General innervation blood supply Muscles note retinaculum Peroneus Fibularis Logus Peroneus Brevis Peroneus Tertius Lateral Compartment Tendon Sheaths Lateral Superficial Inter Muscles Posterior Compartment z z Superficial Intermediate and Deep Superficial Gastrocnemius Plantaris z Intermediate z Deep Soleus Popliteus Flexor digitorum longus Flexor hallicus longus Tibialis posterior 3 Superficial Muscles Deep Muscles Tendon Sheaths Medial Tom Dick AN Harry Intermediate Muscles Deep Muscles Blood Supply 4 Blood Supply Blood Supply Blood Supply Blood Supply Blood Supply Blood Supply 5 Blood Supply 6
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