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Published on: December 11, 2013
Peristaltic pulse dynamic compression of the lower extremity enhances flexibility
William A Sands1, Melonie B Murray, Steven R Murray
11East Tennessee State University, Johnson City, Tennessee; 2Department of Theatre Arts, Moss Performing Arts Center, Colorado Mesa University, Grand Junction, Colorado; 3Department of Kinesiology, Colorado Mesa University, Grand Junction, Colorado; and 4Eastern Washington University, Cheney, Washington.
Journal of Strength and Conditioning Research
|October 1, 2013
Summary
Peristaltic pulse dynamic compression (PPDC) significantly enhances acute range-of-motion (ROM) for forward splits. This method offers rapid flexibility gains with less discomfort and time compared to traditional stretching.
Area of Science:
- Biomechanics
- Sports Medicine
- Rehabilitation
Background:
- Traditional stretching for improved range-of-motion (ROM) often requires significant time and can cause discomfort.
- Existing beliefs attribute ROM improvements primarily to tissue structural changes and stretch tolerance.
- Novel methods for acute ROM enhancement are needed to overcome limitations of conventional stretching.
Purpose of the Study:
- To investigate the efficacy of peristaltic pulse dynamic compression (PPDC) in improving acute range-of-motion (ROM) for forward splits.
- To compare the effects of PPDC with a non-inflated control condition on flexibility.
- To explore potential mechanisms underlying rapid ROM changes induced by PPDC.
Main Methods:
- A crossover design study involving nine experienced subjects performing forward splits.
- Experimental condition utilized computer-controlled, seated PPDC via inflatable leggings (70 mm Hg) for 15 minutes.
- Control condition involved identical procedures without legging inflation; flexibility measured by pelvic height relative to the floor.
Main Results:
- Statistically significant differences in ROM changes were observed between PPDC and control conditions (p ≤ 0.05).
- PPDC treatment resulted in substantial acute ROM increases: 25.3% (right leg) and 33.3% (left leg).
- Control condition showed modest ROM increases: 12.2% (right leg) and 1.0% (left leg).
Conclusions:
- PPDC is an effective method for rapidly enhancing acute range-of-motion in forward splits.
- The rapid improvements suggest mechanisms beyond tissue structural changes or stretch tolerance are involved.
- PPDC offers a less uncomfortable and time-consuming alternative for acute flexibility enhancement.
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