DU 1
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DU 1 Chang Qiang 長強

“Long Strong” “Lasting Strength”

CHANG long

QIANG strong, forceful

Other Names

Location and Needling:

Midway between tip of coccyx and the anus.
Perpendicular 0.5 – 1 cun

Contraindications and Cautions


Du Mai,
Lo Connecting Point of Du Mai, Longitudinal Lo vessel departs here traveling to DU-16. Intersection with KD and GB meridians.

Meeting with Ren Mai at REN-1.

Benefits the two lower yin (orifices), clears heat in blood or damp heat in LJ, treats Hemorrhoids
Activates Channel and alleviates pain, strengthens the spine
Sedates rising Yang, Calms the Shen
Tonifies KDs and strengthens Yang, regulates meridian Qi, harmonizes Yin and Yang, activates meridians and stabilizes condition preceding death.
Spirit of Point: Generates power and strength throughout body and the mind. Calms the mind and spirit. Pulls energy down from head.

Signs and Symptoms

Clinical Research


Cheng, Xinnong, ed. Chinese Acupuncture and Moxibustion. 2nd ed. Beijing: Foreign Languages Press, 2005.
Deadman, Peter, Mazin Al-Khafaji, Kevin Baker. A Manual of Acupuncture. East Sussex, England: Journal of Chinese Medicine Publications, 2001. A Manual of Acupuncture. 2nd ed. East Sussex, England: Journal of Chinese Medicine Publications, 2007.
National Acupuncture Foundation. Clean Needle Technique Manual for Acupuncturists. Guidelines and Standards for a Clean and Safe Clinical Practice of Acupuncture. 6th ed. Chaplin, CT: National Acupuncture Foundation, 2009.
O’Connor, John, and Dan Bensky, trns. and ed. Acupuncture: A Comprehensive Text. Shanghai College of Traditional Medicine. Seattle, WA: Eastland Press, 1996.
Connelly, Dianne M. Traditional Acupuncture: The Law of the Five Elements. 2nd ed. Traditional Acupuncture Institute, 1994.
Kaptchuk, Ted J. The Web That Has No Weaver: Understanding Chinese Medicine. 2nd ed. New York: McGraw-Hill, 2000.
Maciocia, Giovanni. The Foundations of Chinese Medicine: A Comprehensive Text for Acupuncturists and Herbalists. 2nd ed. New York: Churchill Livingstone, 2005. The Practice of Chinese Medicine: The Treatment of Disease with Acupuncture and Chinese Herbs. 2nd ed. New York: Churchill Livingstone, 2007.
Wiseman, Nigel, and Andy Ellis. Fundamentals of Chinese Medicine. Revised Edition. Brookline, MA: Paradigm Publications, 1995.
Worsley, J. R. Traditional Chinese Acupuncture: Meridians and Points. 2nd ed. Element Books, 1991.
Zhang, Ting Liang, and Bob Flaws. trns. A Handbook of Traditional Chinese Gynecology. 3rd ed. Boulder, CO: Blue Poppy Press, 1987.


11 Mar 2012 04:34

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