Fig. 5. Photograph of a cadaver specimen showing an anteroposterior view of the right thigh between the femoral artery and the obturator nerve exit zone of the foramen after soft tissue dissection. H : the obturator nerve length was exposed between the obturator nerve exit zone of the foramen and the adductor longus, I : the shortest distance from the obturator nerve exit zone of the foramen to the femoral artery.