The primary purpose of the study is to document anatomic variance in the sciatic nerve during cadaveric dissection. We noticed that the sciatic nerve split in the buttock into the common peroneal and tibial nerves during standard undergraduate dissection in a middle-aged male cadaver. The piriformis muscle was then penetrated by the common peroneal nerve, separating it into two sections, while the tibial nerve flowed beneath it. The common peroneal nerve descends laterally in the thigh, giving a branch to the biceps femoris short head, and then distributes to the muscles and skin on the anterolateral aspect of the leg and the dorsum of the foot. The tibial nerve descended medially and gave branches to the top section of the hamstring muscles emerging from the ischial tuberosity while remaining in the buttock and upper part of the thigh. It continues down the rear of the leg and into the sole of the foot, supplying muscles and skin. Because aberrant interactions between the piriformis muscle and the sciatic nerve have been associated to coccygodynia and sciatic pain, being aware of such variation can aid in assessment.
Author(s) Details:
John P. Sneha,
D. Y. Patil Medical College, Nerul, Navi Mumbai, India.
Please see the link here: https://stm.bookpi.org/IDMMR-V11/article/view/6072
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