This is neuralgia in an ischiatic nerve, commonly the _great_ ischiatic.
Use the B D current, strong as the patient can well bear. Place the foot
in warm water with N. P., or place the sponge-roll N. P. at the sole of
the foot, (the former is the best,) and treat with P. P. over the
painful part, and also, more or less, over adjacent parts. It is also
well, in order to prevent too much exhaustion of the limb, to _reverse
the poles_ every third or fourth time; but in so doing, use the _long
cord_ with N. P.