![]() ![]() The foot contains a total of nine compartments, including four interosseous (medial, lateral, deep, and superficial central) and the adductor hallucis compartments that may require decompression in crush injuries to the foot. The deep posterior compartment: Contains the flexor hallucis longus muscle, flexor digitorum longus muscle, tibialis posterior muscles, popliteus muscle, the posterior tibial artery, and the tibial nerve. The superficial posterior compartment: Contains the gastrocnemius muscle, soleus muscles, plantaris muscle, and the sural nerve. The lateral compartment: Contains the peroneus longus and brevis muscles, and the superficial peroneal nerve. The anterior compartment: Contains the tibialis anterior muscle, extensor halluces muscle, extensor digitorum longus muscle, the anterior tibial artery, and the deep peroneal nerve. ![]() The medial compartment contains the adductor muscle group and the gracilis muscle. The posterior compartment contains the biceps femoris, semitendinosus, and semimembranosus muscles and the sciatic nerve. The anterior compartment contains the quadriceps femoris and sartorius muscles, as well as the femoral vessels and femoral nerve. The sciatic nerve is the only major neurovascular structure in the compartments of the buttock. The compartments of the buttock include the gluteus maximus, the gluteus medius/minimus, and the extension of the fascia lata of the thigh into the gluteal region. These compartments contain muscles, nerves, and blood vessels. The lower extremity fascial compartments include three gluteal, three thigh, four calf, and nine of the foot. ![]()
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