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Yibian
 Shen Yaozi 
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Acupuncture
 
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acupointNeixiyan
meridianlower limbs extra acupoints
international codeEX-LE4
bubble_chart Category

Extra point.

bubble_chart Etymology

"Nei" (內), medial; "xi" (膝), knee; "yan" (眼), eye. The depressions on both sides of patellar ligament at knee joint resemble eye sockets, hence the name "Xiyan" (knee eye). The point located on the medial side is specifically called "Neixiyan" (medial knee eye).

bubble_chart Location

Xiyan (EX-LE5) acupoint
(adapted from "Meridians and Acupoints")
With knee flexed, the point is located in the depression on the medial side of patellar ligament.

bubble_chart Anatomy

  • Muscles: on the medial side of patellar ligament.
  • Vessels: arterial and venous network of knee joint.
  • Nerve: superficially, infrapatellar branch of saphenous nerve and branches of the lateral femoral cutaneous nerve; deeply, branches of common tibiofibular nerve.

bubble_chart Manipulation

Perpendicular insertion 0.5~1 cun. Warm needling with moxibustion is applicable.

bubble_chart Efficacy

Crane knee wind, scabies and chronic skin lesions, leg pain, stroke, beriberi, knee arthritis.

bubble_chart Combinations

  • Knee arthritis: Neixiyan (EX-LE4), Waixiyan (EX-LE5), Heding (EX-LE2).

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