POINT: SJ-3 (SAN JIAO-3)

English:	Central Islet
Also Known As:	Middle Island Middle Islet Center Island Middle of the Pond

With the hand lying prone, this point can be found between the fourth and fifth metacarpal bones, in the hollow behind the metacarpophalangeal joints.
When the fist is clenched, the point is on the dorsum of the hand between the fourth and fifth metacarpal bones, in the depression proximal to the fourth metacarpophalangeal joint.
With the palm facing downward, the point is located on the back of the hand between the fourth and fifth metacarpal bones, in the depression proximal to the metacarpophalangeal joint.
Note: this point may be located at the apex of the equilateral triangle formed by this point and the prominences of the metacarpophalangeal joints of the ring and little fingers.

Straight insertion, or slanted toward the wrist, 1 to 1.5 cun. Sensation: local distention and soreness, sometimes extending to the fingertips or forearm, or an electric, numb sensation reaching the fingertips.
Puncture perpendicularly 0.3 to 0.5 cun.
Moxibustion is applicable.
Perpendicular or oblique insertion directed proximally, 0.5 to 1 cun.

SJ-21 Ermen SJ-17 Yifeng	SJ-2 Yemen	LI-1 Shangyang GB-40 *Qiuxu*
Tinnitus and deafness	Red and swollen arm	Chronic tidal fevers
KI-3 Taixi	GB-15 Toulinqi	SI-17 Tianrong SI-19 Tinggong GB-2 Tinghui
Swollen throat	Visual dizziness	Deafness and tinnitus
SI-19 Tinggong GB-2 Tinghui SJ-21 Ermen DU-20 Baihui UB-8 Luoque LI-5 Yangxi SI-2 Qiangu SI-3 Houxi SI-4 Wangu SJ-2 Yemen LI-1 Shangyang UB-23 Shenshu	SJ-5 Waiguan SJ-22 Erheliao GB-2 Tinghui SI-19 Tinggong LI-4 Hegu LI-1 Shangyang PC-9 Zhongchong	SJ-1 Guanchong SJ-2 Yemen SI-16 Tianchuang LI-5 Yangxi
Tinnitus	Deafness	Ear pain, deafness and tinnitus
SJ-6 Zhigou ST-44 Neiting	KI-3 Taixi	LI-1 Shangyang GB-40 Qiuxu
Throat pain	Swelling of the throat	Chronic malaria
KI-19 Yindu HT-3 Shaohai LI-1 Shangyang LI-3 Sanjian	SP-3 Taibai	LI-11 Quchi LI-10 Shousanli SJ-5 Waiguan
Malaria with generalized fever	Difficulty defecating	Inability to bend the elbow and fingers
LI-11 Quchi SJ-1 Guanchong LI-10 Shousanli SI-5 Yanggu LU-5 Chize	SI-4 Wangu	DU-20 Baihui
Pain and sometimes Cold of the elbow	Contractions of the five fingers with inability to flex and extend	Depression from Liver Qi Stagnation
GB-43 Xiaxi
Shao Yang headache Migraine with Heat symptoms Migraine with tinnitus

This is an important point for ear problems.
It is known as "the warm joy" point.
This is an extremely effective point for depression.
It affects the thyroid and the pancreas.
It is used in emergencies for exhaustion.
This is one of the best mental points on the body.
This point has a powerful sedative effect.
It is a good point for acute sprain of the lower lumbar area (needle on the same side).
It is a major distal point for the arms, elbows, shoulders, neck and back. The effected area should be moved while the needle is being manipulated.
It may be used in place of SJ-2 Yemen for laryngitis, pharyngitis, red eyes, tinnitus, and deafness.
This point dispels Heat from the outer canthus of the eye, side of the head and throat..