Why the study?
Does eccentric resistance training with blood flow restriction improve muscular strength and hypertrophic responses compared to eccentric training alone or control in resistance-trained males?
Does eccentric resistance training with blood flow restriction improve muscular strength and hypertrophic responses compared to eccentric training alone or control in resistance-trained males?
Eccentric resistance training with or without blood flow restriction increases muscle cross-sectional area in resistance-trained males, though BFR does not provide superior adaptations.
Eccentric BFR should not yet alter practice; leaves open comparative efficacy versus traditional training in randomized trials.
Research examining exercise with blood flow restriction (BFR) has indicated positive findings for the use of this novel training modality in both health and performance-related outcomes. However, eccentric resistance training combined with BFR has yet to be fully examined. Therefore, the objective of this pilot study was to investigate the muscular strength and hypertrophic responses before and following a training intervention involving resistance exercise utilizing only eccentric muscle actions with or without BFR. Eighteen resistance-trained males were randomly assigned to one of three training conditions following pre-testing measures: eccentric resistance training only, eccentric resistance training with BFR, and a control training group. Our findings suggest that four weeks of submaximal eccentric resistance training performed to repetition failure, with or without BFR, may represent alternative means of obtaining increases in muscle cross-sectional area (CSA) in resistance-trained males. Although the addition of BFR did reduce training volume, it did not result in superior adaptations.
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Pope et al. (2015) studied this question.
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