Large Intestine 4 (LI4) – Hegu, Union Valley

Large Intestine 4 (LI4), also known as Hegu, is a key acupuncture point on the horse’s forelimb. It is commonly used to support the immune system and relieve pain.
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Information about the treatment point appears here
Note: The points shown on the 3D model do not correspond to the exact anatomical location. They serve only as a guide to help you find the respective acupuncture points.

Location

LI4 is located on the medial forelimb, between the second and third metacarpal bones, near the fetlock joint.

Functions

LI4 is traditionally used for pain relief, reducing inflammation, and boosting the immune system. It can also help with issues in the head region.

Indicators

Emergency Point Application, Reduced Urinary Flow, Tendency to Syncope (adjunctive), Circulatory Stasis, Ataxia / Coordination Problems, Tremors, Dizziness, Generalized Pain, Nervousness, Restlessness, Hypersensitivity, Itching, Skin problems, Otitis, Ear Problems, Photophobia, Eyelid Problems, Tearing, Eye fatigue / tension, Eye Irritation, Perioral Tension / Paretic Appearance, Trigeminal / Tinnitus-like Patterns, Temporomandibular Joint Problems, Head Sensitivity / Head Rubbing, Head Pressure/Tension, Headache, Heel Sensitivity, Hoof Sensitivity, Distal Sensitivity, Distal Stiffness, Distal Pain / Swelling, Distal Disorders, Tendon strain / Tendon irritation, Lower Leg Tension, Fetlock / Metatarsus Irritation, Carpal Joint Problems, Forearm / Elbow Issues, Forelimb Tension, Shoulder Pain, Shoulder Stiffness, Back tension, Starting Pain, Weak Impulsion, Shortened stride, Gait instability, Distal lameness, Acute Forelimb Lameness, Lameness, Effusion, Sweating Pattern, Cold Sensitivity, Damp Pattern, Damp-Heat in the Digestive Tract, Heat with thirst, Heat Signs in the Head Area, Heat Symptoms, Hoarseness, Acute Throat Inflammation, Sore Throat / Throat Irritation, Rhinitis, Nasal Congestion, Nasal discharge, Respiratory Problems, Early Respiratory Issues, Wheezing, Shortness of Breath / Dyspnea, Chronic cough, Cough with mucus, Cough, Decreased Appetite, Edema in the Abdomen / Groin, Tightness in the Upper Abdomen, Nausea / Belching, Gastric Stasis, Soft Feces, Obstipation, Digestive Imbalance, Mild Colic Tendency, Mild lower abdominal pain, Lower abdominal tension, Bloating / Flatulence, Abdominal Fullness, Abdominal Discomfort

Safety

LI4 should not be used in pregnant mares as it may induce contractions. Application should always be performed by an experienced professional.

Medical information

LI4 is located distally and medially on the forelimb, in the depression between the second and third metacarpal bones, at the level of the fetlock joint.

LI4 is a Yuan-source point, used for treating pain, inflammation, fever, and for immunomodulation. It affects disorders of the head, teeth, and skin.

Contraindicated in pregnancy due to its labor-inducing effect. Use caution in debilitated or very young animals.

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