While examining the same victim, the doctor hits the leg with a needle. he begins near the ankle and proceeds toward the hip. what is the doctor checking for? why begin at the ankle

Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction.