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The Bladder (BL)
Published in Narda G. Robinson, Interactive Medical Acupuncture Anatomy, 2016
Common fibular (peroneal) nerve (L4-S2) at origin of lateral sural cutaneous nerve: The common fibular nerve branch (i.e., the lateral sural cutaneous nerve) supplies the skin on the lateral portion of the posterior aspect of the leg. The articular branch innervates the knee joint. The common fibular nerve divides into the superficial and deep fibular nerves. The superficial fibular nerve innervates the fibularis longus and brevis muscles, as well as the skin on the distal third of the anterior surface of the leg, and the dorsum of the foot. The deep fibular nerve innervates the anterior muscles of the leg and the dorsum of the foot, as well as the skin of the first interdigital cleft. The deep fibular nerve also innervates the joints it crosses with its articular branches.
Lower Limb
Published in Rui Diogo, Drew M. Noden, Christopher M. Smith, Julia Molnar, Julia C. Boughner, Claudia Barrocas, Joana Bruno, Understanding Human Anatomy and Pathology, 2018
Rui Diogo, Drew M. Noden, Christopher M. Smith, Julia Molnar, Julia C. Boughner, Claudia Barrocas, Joana Bruno
Therefore, all the leg and foot muscles as well as the posterior thigh are innervated by nerves coming from the major nerve lying on the posterior side of the thigh: the sciatic nerve (Figure 5.1). At the level of the thigh, this major nerve is already divided into the common fibular division of the sciatic nerve and tibial division of the sciatic nerve, which innervate all the posterior muscles of the thigh. A clear separation between the common fibular nerve and the tibial nerve is however usually only seen in the distal region of the thigh. As its name indicates, the common fibular nerve—which as noted above gives rise to the lateral sural cutaneous nerve—divides into two nerves: the superficial fibular nerve and the deep fibular nerve (Plate 5.9). The superficial fibular nerve innervates the lateral muscles of the leg and part of the skin of the antero-lateral side of the leg as well as the skin of the dorsum of the foot and sends dorsal digital nerves to the skin of the toes. The deep fibular nerve is the body’s “trick” to overcome the problem of not having an anterior nerve, such as the femoral nerve or its branches in the thigh, to innervate the anterior muscles of the leg. The deep fibular nerve thus runs obliquely deep in the anterior compartment of the leg, and then runs deep to the short extensors of the foot. It gives rise to the dorsal digital branches of the deep fibular nerve that innervate the skin between the 1st and 2nd toes. The tibial nerve passes through the popliteal fossa to run on the posterior side of the leg (Plate 5.10). As noted above (Box 5.2), it gives rise to the medial sural cutaneous nerve and thus contributes to the formation of the sural nerve, and it innervates all the posterior muscles of the leg. At the calcaneal region, the tibial nerve divides into the lateral plantar nerve and the medial plantar nerve, which innervate all the intrinsic muscles of the foot and give rise to the common and proper plantar digital nerves (Plate 5.16).
Great toe drop following knee ligament reconstruction: A case report
Published in Physiotherapy Theory and Practice, 2020
David A Boyce, Chantal Prewitt
Based on the data, the electromyographer’s impression was: The findings suggest an incomplete axonal loss injury of the left common fibular nerve involving only the fibers of the deep fibular nerve (specifically the branches to the extensor hallucis longus and extensor digitorum brevis). The patient is unable to elicit any motor units upon attempted contraction of the EHL or EDB. Suspect the injury is at or proximal to the fibular head. All other muscles innervated by the deep branch and superficial branch of the fibular nerve are normal. The tibial nerve is normal. I see no frank signs of lumbar radiculopathy (Dr. David Boyce).