27-year-old male complains of 6/10 right buttock and leg pain particularly during prolonged periods of sitting. He described the pain as varying from “sharp and shooting” to “throbbing and aching.” The pain starts in the buttock and radiates down his posterior thigh. Aggravating factors include sitting, flexing the right hip and sleeping on his left side.

Which of the following tests would most likely implicate sensitivity in the nervous system?