Change of Safe Needling Depth at Acupoint GB21 according to Posture and Breathing

<div>Difference between maximum expiration and inspiration. (a) Scatter plot showing the gap of depth depending on respiration and BMI. (b) Histogram showing the gap of depth at GB21 during maximum expiration and maximum inspiration. 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MI: maximum inspiration; ME: maximum expiration; BMI: body mass index.</div>

Evidence-Based Complementary and Alternative Medicine

fig5

Figure 5

Figure 5: Change of Safe Needling Depth at Acupoint GB21 according to Posture and Breathing 