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Cun
Cun (Tsun) is the measurement of one “body inch” used to locate acupuncture points. Measurement is always taken from the patient’s hand.
The width of the thumb is 1 cun.
Width of two fingers - 1.5 cun.
Four fingers - 3 cun.
Proportional measurements: Mid-line of spine to medial border of scapula 3 cun. Lower end of sternum to umbilicus 8 cun. Umbilicus to upper border of symphysis pubis 8 cun.
