bubble_chart Category

Make a slight fist, radial edge of the index finger, in the depression between the red and white flesh in front of the second metacarpophalangeal joint.

• Lingshu‧Benshu: "Before second metacarpophalangeal joint";
• Zhenjiu Jiayi Jing: "In the depression on the anterior inner side of second metacarpophalangeal joint."
• Xunjing Kaoxue Bian added: "At the tip of the transverse crease"—when making a fist, it is approximately at radial side of the end of the transverse crease of index finger.

bubble_chart Etymology

"Jian" (間), gap. It is the second point of hand yangming large intestine meridian (LI), located in the gap before second metacarpophalangeal joint, hence the name.

bubble_chart Location

Make a slight fist, radial edge of the index finger, in the depression between the red and white flesh in front of the second metacarpophalangeal joint.

• Lingshu‧Benshu: "Before second metacarpophalangeal joint";
• Zhenjiu Jiayi Jing: "In the depression on the anterior inner side of second metacarpophalangeal joint."
• Xunjing Kaoxue Bian added: "At the tip of the transverse crease"—when making a fist, it is approximately at radial side of the end of the transverse crease of index finger.

bubble_chart Anatomy

• Muscles: superficial and deep flexor tendons.
• Nerve: Refers to the palmar proper nerve (median nerve), refers to the dorsal nerve (radial nerve).
• Vessels: dorsal and palmar arteries and veins.

bubble_chart Manipulation

Bend the finger and perform shallow needling 0.2~0.3 cun.

bubble_chart Efficacy

Clear heat, benifit pharynx, improve vision.

• Classical: Dizziness and blindness, epistaxis, toothache, sore throat and swelling, throat obstruction, jaw swelling, shoulder and back pain, excessive salivation, chills, frequent fright, crooked mouth and slanted eyes, cold and hot chills from cold damage, headache, and numbness of fingers.
• Modern: Oral, dental, and jaw-related conditions.

bubble_chart Combinations

• Toothache, headache, pharyngitis: Erjian (LI2), 三里.
• Toothache: Quanliao (SI18), Erjian (LI2).
• Shivering and aversion to cold: Yinxi (HT6), Erjian (LI2).
• Shoulder and back pain radiating: Erjian (LI2), Shangyang (LI1), Weizhong (BL40), Kunlun (BL60 ).