Intersecting point: Zhenjiu Jiayi Jing: "Intersecting point of hand shaoyang and yang link vessel"; Suwen-Qifu Lun Wang Bing's note: "Intersecting point of hand foot shaoyang, and yang link vessel", Zhenjiu Juying adds: "Intersecting point of hand foot shaoyang, foot yangming, and yang link vessel".

bubble_chart Etymology

"Jian" (肩), shoulder; "jing" (井), well. The point is located on shoulder, with a hollow depression below it, hence the name "jing" (井).

bubble_chart Location

Jianjing (GB21) point
(adapted from "Meridians and Acupoints")

• Zhenjiu Jiayi Jing: "In the depression on shoulder, above the supraclavicular fossa, in front of the large bone." The large bone refers to scapular spine, and the point is located between the superior angle of scapula and the upper border of trapezius muscle.
• Taiping Shenghui Fang: "In the depression on shoulder, above supraclavicular fossa, 1.5 cun in front of the large bone. When pressing with three fingers, the point is where the middle finger falls into the depression";
• Zhenjiu Yulong Jing: "At the end of supraclavicular fossa on shoulder";
• Zhenfang Liuji: "For locating the left point, use right little finger to press on left acromion, align three fingers horizontally, and the point is at the first section below middle finger. The same method applies for the right side." This can be used as a reference for locating the point.

bubble_chart Anatomy

• Muscle: trapezius; deeper, between levator scapulae and supraspinatus.
• Nerves: supraclavicular nerve, accessory nerve, suprascapular nerve.
• Vessels: branches of transverse cervical artery and vein.

bubble_chart Manipulation

Insert perpendicularly or obliquely backward 0.5 to 0.8 cun. Avoid inserting directly forward or downward to prevent penetrating first intercostal space or damaging lung. Moxibustion with moxa cone 3~5 rounds. Moxibustion with moxa stick for 10 to 15 minutes.

bubble_chart Efficacy

Benefit shoulder and arm, calm counterflow of qi, promote lactation, induce labor.

• Classical: Pain and -syndrome in shoulder and back, inability to lift arms, inability to turn neck backward, stroke with qi blockage, drooling, aphasia, counterflow of qi , nausea, vomiting, cough, scrofula, deficiency fatigue, postpartum lactation deficiency, acute mastitis, postpartum fainting, difficult delivery.
• Modern: fatigue, lethargy, chest tightness, mammary gland hyperplasia.

bubble_chart Combinations

• Chills and fever with qi rising and inability to lie down: Jianjing (GB21), Guanchong (TE1).
• Scrofula: Jianjing (GB21), Quchi (LI11), Daying (ST5).
• Retained placenta: Jianjing (GB21) (5 points of injection for those who have given birth, and more injections for those who feel dull and confused Zusanli (ST36)), Zhongji (CV3), Sanyinjiao (SP6).
• Back boils: Jianjing (GB21), Lingdao (HT4), Weizhong (BL40), and moxibustion at Qizhuma point.
• Carbuncle and gangrene: Jianjing (GB21), Quchi (LI11), Weizhong (BL40), Shenzhu (GV12).
• Mastitis: Jianjing (GB21), Tianzong (SI11), Shaoze (SI1).
• Mammary gland hyperplasia: Jianjing (GB21), Tianzong (SI11), Shenshu (BL23).