Fig. 3From: Peroneal nerve: Normal anatomy and pathologic findings on routine MRI of the kneeSchematic drawing showing the variations at the level of bifurcation (thick black arrow) of the common peroneal nerve. In about 81Â % of the people the bifurcation of the common peroneal nerve occurs at or below the level of the fibular neck (a). In about 9Â % the peroneal nerve bifurcates between the fibular neck and the knee joint (b). In about 10Â % bifurcation occurs above the knee joint line (c)Back to article page