Hypertrophic effects of low-load blood flow restriction training with different repetition schemes: A systematic review and meta-analysis

Author:

de Queiros Victor S.1,Rolnick Nicholas2,Schoenfeld Brad J.3,França Ingrid M.1,Vieira João G.4,Sardeli Amanda V.5,Kamis Okan6,Neto Gabriel R.7,Cabral Breno G.A.T.1,Dantas Paulo M. S.1

Affiliation:

1. Federal University of Rio Grande do Norte (UFRN)

2. CUNY Lehman College

3. The Human Performance Mechanic

4. Federal University of Juiz de Fora (UFJF), Juiz de Fora-MG

5. University of Birmingham

6. Aksaray University

7. University Center for Higher Education and Development, CESED/UNIFACISA/FCM/ESAC)

Abstract

Abstract This systematic review and meta-analysis analyzed the effect of low-load resistance training (LL-RT) with blood flow restriction (BFR) versus high-load resistance training (HL-RT) on muscle hypertrophy focusing on the repetition scheme adopted. Four databases were searched to identify randomized controlled trials that compared the effect of LL-RT with BFR versus HL-RT on muscle hypertrophy. Standardized mean differences (SMD) were pooled in a random effects meta-analysis. The overall analysis did not demonstrate significant differences between conditions (SMD = 0.0364; p = 0.196). A similar result was observed when we separately analyzed studies that used sets to momentary muscle failure (SMD = 0.034; p = 0.522), sets of 15 repetitions (SMD = -0.019; p = 747) and a fixed repetition scheme composed of 75 repetitions (SMD = 0.088; p = 0.177). Subgroup analysis on body region indicates no difference in lower limb exercise between HL-RT and LL-RT with BFR (SMD = 0.00065; p = 0.978) while upper limb exercise favors HL-RT (SMD = 0.2313; p = 0.005). In conclusion, LL-RT with BFR elicits muscle hypertrophy similar to HL-RT regardless of the employed repetition scheme, although there appears to be a small beneficial effect in favor of HL-RT in upper limb exercise.

Publisher

Research Square Platform LLC

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