Plastic Surgery Key

1BRACHIAL PLEXUS ANATOMY The brachial plexus is formed by the ventral primary rami of C5 to T1. It provides innervation to the muscles and skin of the upper extremity. Less…

5RADIAL NERVE AND POSTERIOR INTEROSSEOUS NERVE ANATOMY In Arm The radial nerve arises from the posterior cord of the brachial plexus. In the proximal third of the arm the nerve…

13TIBIAL NERVE ANATOMY The tibial nerve continues the line of the sciatic nerve after its bifurcation in the middle to distal third of the thigh. Its fibers are derived from…

12PERONEAL NERVE ANATOMY The common peroneal nerve originates as the smaller, lateral, terminal branch of the sciatic nerve. Its fibers are derived from the dorsal divisions of the ventral rami…

4MEDIAN AND ANTERIOR INTEROSSEOUS NERVE ANATOMY In Arm The median nerve arises from the medial and lateral cords of the brachial plexus. The nerve descends in the arm posterior to…

11SCIATIC NERVE ANATOMY The ventral rami of the fourth lumbar to third sacral nerve roots unite to form the sciatic nerve. In the lesser pelvis the nerve lies anterior to…

8LUMBAR PLEXUS ANATOMY The lumbar plexus entails the ventral rami of the first three lumbar nerves, a contribution from the subcostal nerve, and the major portion of the fourth lumbar…

15Plantar Nerves ANATOMY The tibial nerve enters into the foot behind the medial malleolus, deep to the flexor retinaculum and between the tendons of the flexor hallucis longus and the…

10LATERAL FEMORAL CUTANEOUS NERVE, ILIOINGUINAL NERVE, AND GENITOFEMORAL NERVE ANATOMY The lateral femoral cutaneous nerve, a nerve of the lumbar plexus, arises from the ventral rami of L2 and L3….

9FEMORAL NERVE ANATOMY The femoral nerve takes its origin from the L2, L3, and L4 spinal nerve roots. It is the largest branch of the lumbar plexus and goes on…