Immediately behind the thumbnail, on the side furthest from the fingers.

Exactly opposite acupoint 2, two thumb-widths from the outside of the wrist, in a straight line with the middle finger.

In the crease on the inside of the elbow, on the side nearest the thumb.

This point is suitable for most upper-body problems. Press the thumb and index finger together to form a ridge at the upper edge of the thumb. The point is in the centre of the ridge, directly above the crease between the thumb and index finger.

Clasp your hands so that your index fingers lie on the upper side of your wrists (top drawing). The point lies in line with the thumb, in a small cavity (bottom drawing). Remember the location of this point, unclasp your hands and use the point.

On the largest crease of the inside of the wrist, in line with the thumb.