Acupuncture Points Notebook

Location Guides:

: Heding : Crane's Summit

Ex-LE-2 : Extra Lower Extremity 2

In the depression at the midpoint of the superior border of the patella.

Perpendicular insertion 0.5 - 1 cun

TCM Actions:
Activates qi and blood and benefits the knee joint

TCM Indications:
  • Crane's knee wind, swelling and pain of the knee, leg qi, weakness of the knee and leg.

    Superficial Innervation: Intermediate femoral cutaneous nerve of the thigh (L2 - L3)
    Dermatome Segment: L3

    Important secondary point for treatment of the knee joint.

    Lad and Durve (2008) in Marma Points of Ayurveda locate a point called the anterior Janu in the centre of the kneecap, between this point and the two Xiyan points. They associate it with the doshas: Vyana Vayu, Prana Vayu, Apana Vayu, Udana Vayu, Shleshaka Kapha, Kledaka Kapha and Avalambaka Kapha.

    They give the following functions:
    - Benefits the knees
    - Promotes circulation
    - Relieves pain locally

    Another posterior Janu is located at Weizhong Bl-40.

    Reference Notes: (click to display)