Large Intestine Meridian 大肠经

Shang Yang 商陽 (LI 1)

TRANSLATION: Metal Yang
TYPE: Jing-well, Metal, Horary
LOCATION: On radial side of index finger about 0.1cun posterior to corner of nail
NEEDLE INSERTION: 90° or 45° insertion directed proximally
NEEDLE DEPTH: 0.1-0.2 cun or prick to bleed

Er Jian 二間 (LI 2)

TRANSLATION: Second Space
TYPE: Ying-spring, Water, Sedation
LOCATION: On radial side of index finger, distal to metacarpal-phalangeal joint at junction of red and white skin. Located with finger slightly flexed
NEEDLE INSERTION: a. 45° proximal or distal insertion b. 70° insertion towards the palm
NEEDLE DEPTH: a. 0.2-0.3 cun, b. 0.5 cun

San Jian 三間 (LI 3)

TRANSLATION: Third Space
TYPE: Shu-stream, Wood
LOCATION: On radial side of index finger, in depression proximal to head of 2nd metacarpal bone when loose fist is made
NEEDLE INSERTION: 90° insertion
NEEDLE DEPTH: 0.5-2.0 cun

He Gu 合谷 (LI 4)

TRANSLATION: Adjoining Valleys
TYPE: Yuan-source, Command Point (face and mouth), Heavenly Star
LOCATION: On dorsum of hand, between 1st and 2nd metacarpal bones-approx. In middle of 2nd metacarpal bone on radial side
NEEDLE INSERTION: a. 90° Insertion, b. 45 ° directed proximally, *Contraindicated in pregnancy
NEEDLE DEPTH: a. 0.5-1.0 cun, b. 1.0-1.5 cun

Yang Xi 陽谿 (LI 5)

TRANSLATION: Yang Stream
TYPE: Jing-river, Fire
LOCATION: On radial side of wrist, when thumb is tilted upward, it is in depression between tendons of m.extensor pollicus longus & brevis
NEEDLE INSERTION: 90° insertion
NEEDLE DEPTH: 0.5-1.0 cun

Pian Li 偏歴 (LI 6)

TRANSLATION: Slanting Passage
TYPE: Luo-connecting
LOCATION: With elbow flexed & radial side of arm upward, the pt is on line between LI 5 and LI 11, 3 cun above LI 5
NEEDLE INSERTION: 20° insertion
NEEDLE DEPTH: 0.5-1.0 cun