Behind the capitulum of the fifth metacarpal in Houxi, when the outer edge of the abductor of the little finger begins to converge towards the back of the hand, the midpoint of the second metacarpal is bent at a right angle at the elbow, and the lateral end of the elbow bar is connected with the midpoint of the lateral epicondyle of humerus. When the elbow is fully flexed, it is at the lateral end of the elbow transverse stripe.

Ren Ying point of the neck, 1.5 inches, is located beside the larynx, at the front edge of sternocleidomastoid muscle and at the pulse of common carotid artery.