Lower Extremity Acupuncture Points

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Lower Extremities (22 Points)
legs-back
Ruan Tiao (217, GB 30) Located two-thirds laterally on a line joining the greater trochanter of the femur and the hiatus of the sacrum. It is in the center of the triangle formed by the gluteal tuberosity, the iliac tuberosity, and the superior posterior iliac spine, and is bounded posteriorly by the gluteus maximus muscle and anteriorly by the gluteus medius muscle. The sciatic nerve passes through the greater sciatic foramen below the piriformis muscle, and courses medially to this point (Fig. 32).

Nerve Supply Inferior gluteal cutaneous nerve (S 1, 2); inferior gluteal nerve (L4, 5, S 1, 2); sciatic nerve (L4, 5, S 1, 2, 3)
Blood Supply Superior and inferior gluteal arteries
Method Perpendicular insertion 1-4 tsun
Indications Sciatica, hemiplegia, poliomyelitis, lumbago, pain in the lower extremities, soft tissue disorders of the hip

Yin Men (282, BL 37) Located 6 tsun inferior to Cheng Fu (281, BL 36), on the midline of the posterior thigh midway between the inferior transverse gluteal fold and the popliteal fossa between the biceps femoris and semi-membranosus muscles. The sciatic nerve passes through its deep layer (Fig. 33).

Nerve Supply Posterior femoral cutaneous nerve (S2); sciatic nerve (L4, 5, S 1, 2, 3)
Blood Supply Perforating branch of the lateral femoral circumflex artery
Method Perpendicular insertion 1-3 tsun
Indications Sciatica, lumbago, lower extremity weakness or paralysis
leg-muscle
Wei Chung (285, BL 40) Located in the center of the poplital fossa, bounded by the biceps femoralis, the semimembranosus, the plantaris, and the gastrocnemius muscles (Fig. 33).

Nerve Supply Posterior femoral cutaneous nerve (S2); tibial nerve (L5,Sl,2)
Blood Supply Popliteal artery
Method Perpendicular insertion 0.8-1.5 tsun
Indications Heat stroke, heat prostration, acute gastroenteritis, lumbago, sciatica, lower extremity paralysis, spasm of the gastrocnemius, disorders of the knee joint and its surrounding soft tissue

Cheng Shan (288, BL 57) Located between the two bellies of the gastrocnemius muscle, midway between the popliteal fossa (Wei Chung, BL 40) and the upper border of the calcaneum (Fig. 33).

Nerve Supply Medial sural nerve (S2); tibial nerve (L4, 5, SI, 2, 3)
Blood Supply Posterior tibial artery
Method Perpendicular insertion 1-3 tsun
Indications Sciatica, lumbago, hemorrhoids, prolapse of the rectum, cramps of the gastrocnemius muscle, leg, sole of foot pain, lower extremity paralysis

Feng Shih (218, GB 31) Located on the lateral aspect of the thigh at the level where the tip of the middle finger touches the thigh about 7 tsun above the patella, between the biceps femoralis and the vastus lateralis in the iliotibial tract just lateral to the femur (Fig. 34).

Nerve Supply Lateral femoral cutaneous nerve (L2, 3); femoral nerve (L2, 3, 4)
Blood Supply Lateral femoral circumflex artery
Method Perpendicular insertion 1-2 tsun
Indications Hemiplegia, sciatica, poliomyelitis, rectal disorders, lower back, hip or leg pain, neurodermatitis
thigh
Hsueh Hai (308, SP 10) Located 2 tsun superior to the medial border of the patella over the medial end of the femur immediately superior to the medial condyle (Fig. 35).

Nerve Supply Anterior femoral cutaneous nerve (L3); cutaneous branch of the obturatornerve (L3, 4); femoral nerve (L2, 3, 4)
Blood Supply Medial superior genicular artery
Method Perpendicular or oblique insertion 1-2 tsun
Indications Pruritus, urticaria, neurodermatitis, menstrual irregularity

Yin Ling Chuan (307, SP 9) Located on the medial aspect of the knee inferior to the medial condyle of the tibia between the soleus and the gastrocnemius muscles at the insertion of the sartorius muscle (Fig. 35).

Nerve Supply Saphenous branch of the femoral nerve (L3); anterior femoral cutaneous nerve (L3); tibial nerve (LS, S 1, 2)
Blood Supply Posterior tibial and inferior medial genicular arteries
Method Perpendicular insertion 1-2 tsun; if necessary, penetrate through to Yang Ling Chuan (221, GB 34).
Indications Abdominal distension and pain, menstrual irregularity, edema, dysuria, enuresis, spermatorrhea
knee
Yang Ling Chuan (221, GB 34) Located in the depression anteroinferior to the capitulum of the fibula, 2 tsun inferior to the knee at the same level as Yin Ling Chuan (307, SP 9), between the peroneus longus and the extensor digitorum communis muscles (Fig. 36).
knee1
Nerve Supply Superficial and deep peroneal nerves (L4, 5, S 1, 2)
Blood Supply Lateral genicular and recurrent tibial arteries
Method Perpendicular insertion 1-2 tsun; if necessary, penetrate through to Yin Ling Chuan (307, SP 9).
Indications Neck pain, backache, intermittent claudication, hypertension, constipation, hepatitis, biliary colic, chest pain
bottom-leg
Tsu San Li (178, ST 36) Located 3 tsun inferior to Tu Pi (177, ST 35), in the tibialis anterior muscle one finger breadth lateral to the tibial crest and inferior to the capitulum of the fibula (Fig. 37).

Nerve Supply Anterior femoral cutaneous nerve (L3); superficial peroneal nerve (LS, Sl); deep peroneal nerve (L4, 5, Sl)
Blood Supply Anterior tibial artery
Method Perpendicular insertion 1-2 tsun
Indications Lower extremity pain or weakness, abdominal pain, abdominal distension, diarrhea, constipation, nausea, vomiting, indigestion, anemia, emaciation, and for purposes of improving general weakness
foot
Feng Lung (182, ST 40) Located 8 tsun above the lateral malleolus, between the tibia and fibula and I tsun lateral to Tiao Kou (180, ST 38) (Fig. 37).

Nerve Supply Superficial peroneal nerve (LS, SI); deep peroneal nerve (L4, S, SI)
Blood Supply Anterior tibial artery
Method Perpendicular insertion 1-2 tsun
Indications Asthma, cough, dizziness, headache, abdominal pain, lower extremity pain

Chieh Hsi (183, ST 41) Located at the midpoint of the transverse malleolar crease and in the center of the inferior extensor retinaculum between the tendons of the extensor hallucis longus and the extensor digitorum longus muscles (Fig. 37).

Nerve Supply Superficial peroneal nerve (LS, SI); deep peroneal nerve (L4, S, SI)
Blood Supply Anterior tibial artery
Method Oblique insertion, 0.S-1.0 tsun, with needle pomting toward the calcaneus
Indications Painful disorders of the ankle and its surrounding soft tissue, foot drop, enteritis, headache

Hsuan Chung (226, GB 39) Located 3 tsun superior to the lateral malleolus, between the posterior border of the fibula and the tendons of the peroneus longus and brevis muscles (Fig. 38).

Nerve Supply Superficial peroneal nerve (LS, SI); deep peroneal nerve (L4, S, SI)
Blood Supply Anterior tibial artery
Method Perpendicular insertion 1.0-1.S tsun; if necessary, penetrate through to San Yin Chiao (304, SP 6).
Indications Painful disorders of the ankle and its surrounding soft tissue, lower extremity weakness or paralysis, hemiplegia, lymphadenitis, pain, neck stiffness and rigidity, migraine, poliomyelitis

Kun Lun (291, BL 60) Located between the posterior border of the lateral malleolus and anterior aspect of the tendocalcaneus at the same level as the tip of the malleolus (Fig. 38).

Nerve Supply Lateral sural nerve (LS); peroneal nerve (L4, S, SI)
Blood Supply Posterior lateral malleolar and peroneal arteries
Method Perpendicular insertion 1 tsun; if necessary, penetrate to Tai Hsi (336, KI 3).
Indications Backache, neck stiffness, dizziness, headache, sciatica, labor pains, hyperhidrosis of the feet

Chiu Hsu (227, GB 40) Located in the depression anteroinferior to the lateral malleolus at the lateral aspect of the extensor digitorum longus tendon (Fig. 38).

Nerve Supply Superficial peroneal nerve (LS, S1 ); lateral sural nerve (LS)
Blood Supply Anterior lateral malleolar and anterior tibial arteries
Method Oblique insertion 0.5-1.0 tsun; if necessary, penetrate through to Chao Hai (339, KI 6).
Indications Painful disorders of the ankle and its surrounding soft tissue, sciatica, intercostal neuralgia

San Yin Chiao (304, SP 6) Located 3 tsun superior to the tip of the medial malleolus and immediately posterior to the tibial border Fig. 39).

Nerve Supply Saphenous nerve (L4); tibial nerve (L4, S, Sl, 2, 3)
Blood Supply Posterior tibial artery
Method Perpendicular insertion 1.0-1.5 tsun; if necessary, penetrate through to Hsuan Chung (226, GB 39).
Indications Enuresis, premature ejaculation, impotence, uterine bleeding, dysmenorrhea, leukorrhea, insomnia, edema of the lower extremities, nocturia, menstrual irregularity, labor pains

Fu Liu (340, KI 7) Located 2 tsun superior to the tip of the medial malleolus on the anterior border of the calcaneus tendon (Fig. 39).

Nerve Supply Saphenous nerve (L4); tibial nerve (L4, 5, Sl, 2, 3)
Blood Supply Posterior tibial artery
Mehtod Perpendicular insertion 0.5-1.0 tsun
Indications Nephritic edema, neurasthenia, fever, night sweats, lumbago
side-foot
Tai Hsi (336, KI 3) Located midway between the tip of the medial malleolus and the tendon calcaneus (Fig. 39).

Nerve Supply Saphenous nerve (L4); tibial nerve (L4, 5, Sl, 2, 3)
Blood Supply Posterior tibial artery
Method Oblique insertion 0.5-1.0 tsun toward the lateral malleolus; if necessary, penetrate through to Kun Lun (291, BL 60).
Indications Neurasthenia, shortness of breath, uterine disorders, dizziness

Chao Hai (399, KI6) Located l tsun in the depression directly inferior to the inferior border of the medial malleolus at the origin of the abductor hallucis muscle (Fig. 39).

Nerve Supply Saphenous nerve (L4); tibial nerve (L4, 5, S l, 2, 3)
Blood Supply Posterior tibial artery
Method Perpendicular insertion 0.3-0.6 tsun
Indications Neurasthenia, epilepsy, hysteria, menstrual irregularity
bottom-foot
Yung Chuan (334, KI 1) With the toes’ plantar flexed, it is located in the depression at the junction of the anterior and middle third of the sole of the foot between the second and third metatarsals (Fig. 40).

Nerve Supply Medial and lateral plantar nerves (S 1, 2, 3)
Blood Supply Plan tar arterial arch which derives from the anterior tibial artery
Method Perpendicular insertion 0.5-1.0 tsun
Indications Coma, shock, epilepsy, hysteria, infantile convulsions, hypertension, insomnia, nausea, vomiting, frontal headache

Tai Chung (322, LI 3) Located 2 tsun proximal to the web margin between the first and second metatarsals (Fig. 41).

Nerve Supply Deep peroneal nerve (L4, 5, S l); medial plantar nerve (L4, 5, Sl, 2, 3)
Blood Supply Dorsalis pedis artery
Method Perpendicular insertion 0.5-1.0 tsun
Indications Dizziness, blurring of vision, infantile convulsions, throat soreness and dryness, amenorrhea, jaundice, hypertension

Nei Ting (186, ST 44) Located 0.5 tsun proximal to the web margin between the second and third metatarsals (Fig. 41 ).
front-foot
Nerve Supply Superficial peroneal nerve (LS, S 1 ); lateral plantar nerve (L4, 5, Sl, 2, 3)
Blood Supply Dorsal digital artery
Method Perpendicular insertion 0.3-0.6 tsun
Indications Gastralgia, tonsillitis, toothache, trigeminal neuralgia, frontal headache

Chih Yin (298, BL 67) Located 0.1 tsun posterior to the lateral angle of the nail of the little toe (Fig. 41 ).

Nerve Supply Lateral sural nerve (LS); lateral plantar nerve (L4, 5, Sl, 2, 3)
Blood Supply Dorsal digital artery
Method Oblique insertion with needle tilted upward 0.2 tsun, or by puncturing until blood is drawn
Indications Headache, coma, difficult labor
big-legbig-leg2
The relationship between the most commonly used acupuncture points and the peripheral nerves of the lower extremity is shown in Figures 42 and 43 (anterior and posterior views).

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