Motor paralysis of the peronei followed, together with general lowering of tactile sensation in the musculo-cutaneous area.
It especially affects the peronei and the extensors of the toes, and is unilateral.
The peronei are displaced from their grooves, and may lie in front of the lateral malleolus.
When the eversion is more pronounced, the sole looks laterally and the tendons of the peronei stand out in relief.
Dislocation of the peronei tendons may occur, for example, from a violent twist of the foot.
At the ankle it affects the peronei, the extensor digitorum longus, or the tibialis anterior.
In the peronei tendons, for example, it may result from disease of the fibula or of the ankle-joint.