Stiff neck; arm swelling and pain; abdominal pain due to cold or wind.

On the dorsal side of the left hand, between the 2nd and 3rd metacarpals, about 0.5 cun behind the metacarpophalangeal joint (finger cun). (This acupoint is a pair, one on each side)

Lift the arm and face the palm down. On the back of the hand, between the 2nd and 3rd metacarpals, measure half a transverse finger from the metacarpophalangeal joint backward, and this is where the acupoint is located.