bubble_chart Category Extra point.
bubble_chart Etymology
"Xi" (膝), knee; "yan" (眼), eye. The depressions on both sides of patellar ligament at knee joint resemble eye sockets, and the acupoint is located above them, hence the name "Xiyan" (knee eye).
bubble_chart Location
Xiyan (EX-LE5) acupoint
(adapted from "Meridians and Acupoints")
With knee flexed, the points are located in the depressions on both sides of patellar ligament. The medial depression is called
Neixiyan (EX-LE4, medial knee eye), and the lateral depression is called
Waixiyan (EX-LE5, lateral knee eye).
bubble_chart Anatomy
- Muscles: one finger-width medial and lateral to the patellar ligament.
- Vessels: arteriovenous network of knee joint.
- Nerve: superficially, infrapatellar branch of saphenous nerve and branches of lateral femoral cutaneous nerve; deeply, branches of the common tibiofibular nerve.
bubble_chart Manipulation
Needle 5 fen. A local soreness and distension sensation will be felt. Moxibustion for 3 to 5 times.
bubble_chart Efficacy
Crane knee wind, scabies and chronic skin lesions, leg pain, stroke, beriberi, knee arthritis.
bubble_chart Combinations
- Crane knee wind: Xiyan (EX-LE5), Heding (EX-LE2), Yanglingquan (GB34).
- Widespread scabies and chronic skin lesions: Quchi (LI11), Hegu (LI4), Zusanli (ST36), Jue Gu, Xiyan (EX-LE5).
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