1. 商阳(LI1):在手食指末节桡侧，距指甲角0.1寸(指寸)(图1)。

2. 二间(LI2):微握拳，在第2掌指关节前，桡侧凹陷处(图1、图2)。

3. 三间(LI3):微握拳，在第2掌指关节后，桡侧凹陷处(图1、图2)。

4. 合谷(LI4):在手背第1、2掌骨间，当第2業骨桡侧的中点处(图1)。

定取本穴时，拇、食二指张开，以一手拇指指关节横纹放在另一手的指蹼缘上，当拇指尖下是穴(图3)。

1. Shangyang (LI1): on the radial side of the index finger, 0.1 cun posterior to the comer of the nail(Fig. 1).

2. Erjian(LI2): on the radial side of the index finger, in the depression distal to the second metacarpo-phalangeal joint on

the radial side. Slightly clench fist to locate the point(Fig. 1, Fig. 2).

3. Sanjian (LI3): on the radial side of the index finger, in the depression proximal to the second metacarpo-phalangeal

joint on the radial side. Slightl clench fist to locate the point (Fig. 1, Fig. 2).

4. Hegu (LI4): on the dorsum of the hand, midway between the junction of the first and second metacarpal bones(Fig. 1).

To locate the point: 

To locate the point on the left hand: stretch both thumb and index finger of the left hand, place the transverse

crease of the interphalangeal joint of the right thumb on the margin of the web between the thumb and index finger of the left hand. The point is located underneath the thumb of the right thumb (Fig. 3).

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