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Articular Branches of Tibial Nerve
Nervous System

Articular Branches of Tibial Nerve

Rami articulares nervi tibialis

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Origin

The articular branches arise at variable levels from the tibial nerve, either many centimeters above the knee or within the popliteal fossa. The number of articular branches may also vary, ranging from one to as many as five (Hines et al., 1996).

Course

The articular branches of the tibial nerve accompany the superior and inferior medial genicular arteries and the middle genicular artery.

Branches

There are no named branches.

Supplied Structures

The articular branches of the tibial nerve innervate the posterior knee joint capsule. Small ramifications (especially in fetal life) might also innervate external parts of the menisci. Others might perforate the joint capsule to travel in the synovial tissue, staying in close proximity to the cruciate ligaments. Some even extend as far as the infrapatellar fat pad (Hines et al., 1996).

References

Hines, A. E., Birn, H., Teglbjaerg, P. S. and Sinkjaer, T. (1996) 'Fiber type composition of articular branches of the tibial nerve at the knee joint in man', Anat Rec, 246(4), pp. 573-8.

Learn more about this topic from other Elsevier products

Tibial Nerve

ScienceDirect image

A branch of the tibial nerve that descends between the heads of gastrocnemius to course laterally to lie between the lateral malleolus and the Achilles tendon at the level of the ankle.

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