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This question has been answered by 130 people and has an average rating of 3.61 (based on 74 ratings)

A baby is brought to your clinic after an injury to the knee. You suspect a damage to one the the nerves in the lower leg. You know this nerve (nerve A) is a branch of Sciatic nerve


You perform some sensory and motor tests on the baby to find out which nerve is damaged.

On examination the baby cannot plantar flex and Invert his foot. Also there is a sensory loss in the sole of his foot.


Which nerve is damaged?



You selected A when answering this question
The contributor suggests C is the correct option
Option Alternative First

Peroneal Nerve (fibula nerve)

44 (33.85%)



Saphenous Nere

8 (6.15%)



Tibial Nerve

72 (55.38%)



Sural Nerve

6 (4.62%)



The following explanation has been provided relating to this question:

  • Common peroneal nerve (fibular nerve) stimulation results in dorsiflexion and eversion of the foot.
  • Stimulation of the tibial nerve results in plantar flexion and inversion of the foot.

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The following topics have been indicated as being relevant to this question:

Anatomy, Lower Limb, Nerves


There is 1 comment for this question (1 top-level comment and 0 replies) You may choose to agree or disagree with any of the comments previously written about this question (except comments you have written). Select either the star (agree) or the cross (disagree) to the right of the comments that you feel most strongly about. The order in which comments about this question will be displayed will be determined by the level of agreement
Written: 8:31pm, 08 JanAuthor has: 5431 points and 13 badges

What a fantastic question and really useful picture! Brilliant.

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