Key result
High-load resistance training and low-load training with blood flow restriction induced similar 8-12% decreases in maximal contraction torques at 24-48 hours (P>0.05 for difference).
Why the study?
It was unclear whether an acute session of high-load resistance training induces greater muscle damage than low-load resistance training with partial blood flow restriction and how recovery compares in the subsequent days.
Does high-load resistance training induce a higher magnitude of muscle damage compared with low-load resistance training with blood flow restriction in young women?
Population
10 young women
Comparison
High-load resistance training vs low-load training with partial blood flow restriction
Design
Unilateral randomized counterbalanced crossover trial
Follow-up
4 days
Authors
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HL-RT and LL-BFR induce similar transient strength loss; confirms comparable muscle damage while highlighting greater soreness after BFR.
RCT (n=10)
randomized, counterbalanced
Does high-load resistance training induce a higher magnitude of muscle damage compared with low-load resistance training with blood flow restriction in young women?
p-value: p=>0.05
Both high-load resistance training and low-load training with blood flow restriction induce similar mild muscle swelling and temporary decrements in muscle function, though low-load training with blood flow restriction causes more delayed onset muscle soreness.
Alvarez et al. (2019) reported an RCT. High-load resistance training (HL-RT) vs. Low-load resistance training with partial blood flow restriction (LL-BFR, 20% 1 RM) was evaluated on Maximal voluntary isometric and concentric contraction torques (p=>0.05). High-load resistance training and low-load training with blood flow restriction induced similar 8-12% decreases in maximal contraction torques at 24-48 hours (P>0.05 for difference).
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