The Claim
Lengthened-partial range of motion resistance training produces muscle hypertrophy in trained individuals that is statistically equivalent to full-range-of-motion resistance training, with no meaningful difference in upper arm or thigh muscle cross-sectional area changes over a 12-week intervention period.
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.
Doing partial-range weight exercises with a longer muscle stretch can build arm and thigh muscles just as well as doing full-range exercises, as long as you’ve been training for a while and do it for 12 weeks.
See the scientific wording
Lengthened-partial range of motion resistance training produces muscle hypertrophy in trained individuals that is statistically equivalent to full-range-of-motion resistance training, with no meaningful difference in upper arm or thigh muscle cross-sectional area changes over 12 weeks.
What the research says
1 studyThis study compared two ways of lifting weights—one using full motion, one using partial motion at the stretched position—and found both made arms and thighs grow about the same amount in trained people over 12 weeks.
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.