The Claim
In highly trained individuals, six weeks of resistance training with either low-velocity-loss (20–30%) or high-velocity-loss (40–60%) protocols results in similar increases in maximal strength (7–11%) for squat and bench press when training volume is matched.
What the research says
Supports is higher
Support is ahead, but a single strong opposing study can change this.
These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.
Among highly trained people, resistance training programs that allow 20–30% or 40–60% loss of movement speed produce the same increase in maximum strength for squat and bench press after six weeks, as long as the total amount of work is the same.
See the scientific wording
In highly trained individuals, both low-velocity-loss (20–30%) and high-velocity-loss (40–60%) resistance training protocols produce similar increases in maximal strength (7–11%) for squat and bench press after six weeks of training with matched volume.
When muscles get very tired during lifting, the body recruits more powerful muscle fibers and keeps them under tension longer, which strengthens the nerves' ability to activate those fibers. This happens whether the lift slows down a little or a lot, as long as the total work is the same. The nervous system adapts by becoming better at firing those fibers hard, leading to stronger lifts.
What the research says
1 studyFor experienced lifters, stopping squats and bench presses when the bar slows down by 20–30% or 40–60% leads to the same strength gains, as long as they do the same total amount of work. The study proved both methods work equally well for getting stronger.
Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.