Lung 4, Xia Bai
俠白, xiá bái, "Guarding White"


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Pinyin Pronunciation:
Meridian
Meridian:
Lung  Browse
Reference Source
Reference Source:
Location
Point Location:
  • CAM
On the medial aspect of the upper arm, 4 cun below the anterior end of the axillary fold, or 5 cun above the cubital crease, on the radial side of m. biceps brachii.
  • Deadman
On the antero-lateral aspect of the upper arm, 4 cun inferior to the axillary fold and 5 cun superior to Chize Lung 5, in the depression between the lateral border of the biceps brachii muscle and the shaft of the humerus.
How To Find It
Divide the distance between the axillary fold and the cubital crease of the elbow into equal thirds and locate Xiabai LU-4 one cun inferior to the junction of the upper and middle third (Tianfu LU-3)
Innervation
Innervation:
The lateral brachial cutaneous nerve at the place where musculocutaneous nerve passes through.
Vasculature
Vasculature:
The cephalic vein and muscular branches of the brachial artery.
Cautions
Cautions:
Cubital vein (Deadman)
Technique
Technique:
  • CAM
Puncture perpendicularly 0.5-1 inch.
  • Deadman
Perpendicular insertion 0.5 to 1 cun.

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