Ying-spring (fire) point.

bubble_chart Etymology

"Yu" (魚) refers to the fish belly, indicating the eminence formed by the thenar muscle group; "Ji" (際) means the edge. The acupoint is located at the edge of the raised white flesh (thenar eminence) behind the palm, hence the name.Huangdi Neijing MingtangYang Shang-shan note: "The base of the thumb, after the first joint, resembles the shape of a fish, hence it is named "Yu" (fish). It lies at the junction of the red and white flesh, thus called "Yuji" (fish border)."

bubble_chart Location

Yuji (LU10) acupoint
(adapted from "Meridians and Acupoints")

The acupoint is located in the depression behind the base of the thumb (the first metacarpophalangeal joint), at the midpoint of the first metacarpal bone on the radial side, at the junction of the red and white flesh.

• Zhenjiu Jiayi Jing: "The acupoint is located in the scattered vessels on the medial side behind the base of the thumb";
• Zhenjiu Yulong Jing: " "Bend the finger to the tip of thumb";
• Shenying Jing "The white flesh border";
• Xunjing Kaoxue Bian: "Approximately located one cun behind the transverse crease."

bubble_chart Anatomy

• Muscle: The skin is thick and tough, and the subcutaneous tissue is loose. The superficial layer is the abductor pollicis brevis and the opponent palmar muscle of the thumb; the deep layer is the flexor pollicis brevis (superficial head and deep head).
• Nerve: The superficial branch of the radial nerve and the palmar branch of the median nerve are distributed in the skin and are sensitive.
• Vessel: reflux branch of cephalic vein of thumb

bubble_chart Manipulation

Slightly oblique insertion 0.3 to 1 cun into the palm. Disable direct moxibustion. Moxibustion with moxa stick for 3 to 5 minutes.

Clear lung heat, relieve cough and asthma, benifit throat, eliminate malnutrition accumulation.

• Classical: cough, asthma, coughing up blood, common cold, heart pain, vomiting, sinking of stomach qi, diarrhea, irritability, palpitations, abdominal fullness, headache, dizziness, dry throat, throat obstruction, sore and swollen throat, toothache, tongue stiffness, loss of voice, damp-heat, jaundice, malaria, blood in urine, impotence, infantile malnutrition, elbow spasm, finger swelling.
• Modern: fever, chronic bronchitis (acute exacerbation), spontaneous sweating, infantile diarrhea, tonsillitis, malposition of the fetus, and flexor tendonitis of the thumb.

bubble_chart Combinations

• Bending forward and backward while panting, reaching out with hands to call: Yuji (LU10), Taixi (KI3).
• Throat pain: Yuji (LU10), Axillary portal.
• Unilateral flank and back pain with numbness: Yuji (LU10), Weizhong (BL40).
• Tonsillitis: Tianzhu (BL10), Yuji (LU10).
• Mastitis: Yuji (LU10), Zusanli (ST36), Zulinqi (GB41).