Proximal phalanx is toe bone closest to leg. There are 56 phalanx bones in human body. Big toe and thumb have two phalanges each. Proximal phalanx shape is concave at bottom, convex at top. Connects to metatarsal bone through trochlear articulation
The sartorius is the longest muscle in the body, running from pelvis to knee. It starts at ASIS and inserts into pes anserine (goosefoot). The muscle can be palpated by flexing thigh and rotating it outward
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Five long bones located between tarsal bones and phalanges. Numbered from medial side: first, second, third, fourth, fifth. Body is prismoid, tapering from tarsal to phalangeal extremity. Each bone has base, head, and articular surfaces. Growth plates located distally except first metatarsal
Tibial nerve is a branch of sciatic nerve with roots L4-S3. Passes through popliteal fossa below soleus arch. Runs downwards and medially to ankle midway between malleolus and calcaneum
Leg includes thigh, calf, and shank regions between knee and ankle. Each leg contains 60 bones, with femur, tibia, and fibula as major components. Legs are adapted for efficient bipedal gait, unlike other primates. Female legs have greater hip anteversion and tibiofemoral angles