19+ Common Peroneal Sciatic Nerve Anatomy. The common fibular (peroneal) nerve is derived from the lateral division of the sciatic nerve. The common peroneal nerve, also known as common fibular nerve is derived from roots l4 to s3 as a part of the sciatic nerve (1).
It forms the small lateral part of the sciatic nerve and supplies its innervation to the leg and upper surface of the foot (7). Anatomy and function of the common peroneal nerve, clinical relevance. The peroneal nerve is a branch of the sciatic nerve, which supplies movement and sensation to the lower leg, foot and toes.
It is the largest nerve in the body, a thick flat band 2cm wide.
…into the tibial and the common peroneal nerve, both of which serve the lower leg and foot. The common peroneal nerve is the smaller and terminal branch of the sciatic nerve which is composed of the posterior divisions of l4, 5, s1. The course and appearance of the tibial nerve and cpn distal to the bifurcation of the sciatic nerve have received a great deal of attention, but peroneal nerve: At this site, it might be.