Common peroneal nerve
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Body
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The common peroneal nerve, also known as common fibular nerve, forms the lateral part of the sciatic nerve and supplies the leg.
Summary
- origin: one of two terminal branches of the sciatic nerve
- course: diverges laterally to enter the lateral compartment of the leg
- terminal branches:
- motor supply: short head biceps femoris
- sensory supply: cutaneous innervation of posterolateral leg
Anatomy
Origin
One of two terminal branches of the sciatic nerve, with the division, typically occurring in the lower-third of the thigh. It arises from the posterior division of the sacral plexus.
Course
Diverges away from the sciatic nerve to pass through the lateral aspect of the popliteal fossa, exiting over the lateral head of gastrocnemius. Here the common peroneal nerve is subcutaneous as it winds its way around the fibula neck to enter the lateral compartment of the leg, where it divide into its terminal branches - superficial and deep peroneal nerves.
Branches & supply
- muscular twigs to the short of biceps femoris
- cutaneous branches: fibular communicating branch, lateral sural cutaneous branch to innervate the posterolateral leg
- terminal branches:
-<li><a href="/articles/superficial-peroneal-nerve">superificial peroneal nerve</a></li>- +<li><a href="/articles/superficial-peroneal-nerve">superficial peroneal nerve</a></li>
-</ul><h4>Anatomy</h4><h5>Origin</h5><p>One of two terminal branches of the sciatic nerve, with the division typically occurring in the lower-third of the thigh. It arises from the posterior division of the <a href="/articles/sacral-plexus">sacral plexus</a>. </p><h5>Course</h5><p>Diverges away from the sciatic nerve to pass through the lateral aspect of the popliteal fossa, exiting over the lateral head of gastrocnemius. Here the common peroneal nerve is subcutaneous as it winds its way around the fibula neck to enter the lateral compartment of the leg, where it divide into its terminal branches - superficial and deep peroneal nerves. </p><h4>Branches & supply</h4><ul>- +</ul><h4>Anatomy</h4><h5>Origin</h5><p>One of two terminal branches of the sciatic nerve, with the division, typically occurring in the lower-third of the thigh. It arises from the posterior division of the <a href="/articles/sacral-plexus">sacral plexus</a>. </p><h5>Course</h5><p>Diverges away from the sciatic nerve to pass through the lateral aspect of the popliteal fossa, exiting over the lateral head of gastrocnemius. Here the common peroneal nerve is subcutaneous as it winds its way around the fibula neck to enter the lateral compartment of the leg, where it divide into its terminal branches - superficial and deep peroneal nerves. </p><h4>Branches & supply</h4><ul>
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