It is easiest to stimulate the ulnar nerve at the elbow and the wrist than anywhere else along the nerve's length because

Question

Answer

the nerve is thicker at these two best sites

Answer

these two best sites contain unmyelinated nodes of Ranvier

Answer

the amount of myelin on the nerve is thinner at these two best sites

Answer

there is less subcutaneous fat at the two best sites

Answer

these sites have the lowest thresholds for AP generation because they contain the highest density of voltage-gated Na+ channels

Crowdly