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Using laser Doppler flowmetry with wavelet analysis to study skin blood flow regulations after cupping therapy
Xiao Hou1, Xiangfeng He1, Xueyan Zhang1
1Department of Kinesiology and Community Health, University of Illinois at Urbana-Champaign, Champaign, IL, USA.
Summary
Cupping therapy increases skin blood flow by influencing metabolic and cardiac controls. Higher intensity cupping significantly boosts metabolic control, while cardiac control remains unaffected by intensity.
Area of Science:
- Physiology
- Biomedical Engineering
- Alternative Medicine
Background:
- Skin blood flow (SBF) regulation is complex.
- Cupping therapy is an ancient practice with debated physiological effects.
- Understanding SBF control mechanisms during cupping is crucial.
Purpose of the Study:
- To investigate skin blood flow control mechanisms during cupping therapy.
- To analyze the impact of different cupping intensities on SBF.
- To utilize laser Doppler flowmetry (LDF) and wavelet analysis for precise measurements.
Main Methods:
- 12 healthy participants underwent repeated-measures testing.
- Three cupping intensities (35, 40, 45 mm diameter cups, 300 mmHg) were applied for 5 minutes.
- LDF measured SBF on the triceps; wavelet analysis assessed blood flow oscillations (BFO).
Main Results:
- Wavelet amplitudes for metabolic and cardiac controls increased post-cupping.
- The 45-mm cupping protocol showed significantly higher metabolic control than 35-mm and 40-mm protocols.
- Cardiac control showed no significant differences across the three cupping intensities.
Conclusions:
- Both metabolic and cardiac controls contribute to increased SBF after cupping.
- Cupping intensity differentially affects metabolic control but not cardiac control.
- Wavelet analysis provides novel insights into SBF regulation during cupping therapy.
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