Hemodynamic Responses to Resistance Exercise with Blood Flow Restriction Using a Practical Method Versus a Traditional Cuff-Inflation System

Lee J. Winchester (), Morgan T. Blake, Abby R. Fleming, Elroy J. Aguiar, Michael V. Fedewa, Michael R. Esco and Ryan L. Earley
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Lee J. Winchester: Exercise Physiology Laboratory, Department of Kinesiology, The University of Alabama, Tuscaloosa, AL 35487, USA
Morgan T. Blake: Exercise Physiology Laboratory, Department of Kinesiology, The University of Alabama, Tuscaloosa, AL 35487, USA
Abby R. Fleming: Exercise Physiology Laboratory, Department of Kinesiology, The University of Alabama, Tuscaloosa, AL 35487, USA
Elroy J. Aguiar: Exercise Physiology Laboratory, Department of Kinesiology, The University of Alabama, Tuscaloosa, AL 35487, USA
Michael V. Fedewa: Exercise Physiology Laboratory, Department of Kinesiology, The University of Alabama, Tuscaloosa, AL 35487, USA
Michael R. Esco: Exercise Physiology Laboratory, Department of Kinesiology, The University of Alabama, Tuscaloosa, AL 35487, USA
Ryan L. Earley: Department of Biology, The University of Alabama, Tuscaloosa, AL 35487, USA

IJERPH, 2022, vol. 19, issue 18, 1-13

Abstract: The aim of this study was to examine the potential differences in acute hemodynamic responses and muscular performance outcomes following resistance exercise between traditional blood flow restriction (TRA BFR ) and a novel band tissue flossing method (BTF BFR ). METHODS: Fifteen healthy young adults (23.27 ± 2.69 years) visited the lab for three sessions (≥72 h apart). Each session’s exercise consisted of three sets of 20 maximum-effort seated leg extensions and flexions with one of three conditions: control (CON), TRA BFR (50% limb occlusion pressure (LOP)), or BTF BFR . During TRA BFR and BTF BFR sessions, occlusion was applied immediately prior to exercise and removed immediately after. Heart rate was collected prior to exercise, after onset of occlusion, immediately after exercise, and one-minute after removal of occlusion. Ultrasonography was performed prior to, and at least 30 s after, occlusion. RESULTS: BTF BFR caused greater reductions in arterial distance (14.28%, p = 0.010) and arterial area (28.43%, p = 0.020) than TRA BFR . BTF BFR was able to significantly reduce arterial flow below pre-occlusion values, while TRA BFR did not. Both conditions caused significant elevations in heart rate following occlusion (TRA BFR : +4.67 bpm, p = 0.046 and BTF BFR : +6.07 bpm, p = 0.034), immediately post-exercise (TRA BFR : +56.93 bpm, p < 0.001 and BTF BFR : +52.79 bpm, p < 0.001) and one-minute post-exercise (TRA BFR : +15.71, p = 0.003 and BTF BFR : +14.57, p < 0.001). Only BTF BFR caused significant reductions in performance as measured by average power per repetition. CONCLUSIONS: BTF BFR causes a more exaggerated decrease in arterial blood flow as well as muscular power when compared to traditional TRA BFR at 50% of LOP.

Keywords: occlusion; BFR; tissue flossing; hypoxia; resistance exercise (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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