Xiabai — White Chasm
In brief
Point P4, called White Chasm, can be stimulated to ease arm pain, soothe a mild cough, or help with a feeling of discomfort in the chest. It is an area to explore to improve your everyday comfort.
Where to find it
Antero-lateral side of the arm, below the axillary fold, below P3
Indications
How to stimulate it (acupressure)
Apply gentle to moderate pressure with the tip of your thumb or index finger. Massage using small circular movements or apply firm pressure for 1 to 2 minutes. You should feel mild pressure or slight numbness, never sharp pain. You can repeat this self-massage 2 to 3 times a day.
Other uses
Acupuncture
Depth : 0.3-0.5 cun
This point can be needled using a perpendicular technique by a qualified acupuncture practitioner. The needling depth is very precise and requires a thorough knowledge of anatomy to be performed safely.
Rarely used point.
Effects in traditional Chinese energetics (TCM)
This point acts to descend Lung Qi (vital energy) and open the chest (ease the sensation of fullness or tightness in the chest).
Related points
Points frequently used alongside this one.
For a personalised protocol suited to your constitution
Everyone is different. An energetic assessment at the practice identifies the points most relevant to your own needs.
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