The Claim
After 8 weeks of whole-body resistance training, older women exhibit an 8.6% increase in muscular strength and a 7.2% increase in muscle quality, with no significant change in skeletal muscle mass (2.4%), indicating that the observed functional improvements are likely due to neural or metabolic adaptations rather than hypertrophy.
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.
After doing strength training for 8 weeks, older women got stronger and their muscles worked better—but their muscles didn’t get bigger. This suggests their brains and bodies got better at using the muscles they already had, not at making new muscle.
See the scientific wording
After 8 weeks of whole-body resistance training, older women show increased muscular strength (8.6%) and muscle quality (7.2%), but no significant change in skeletal muscle mass (2.4%), suggesting functional gains may stem from neural or metabolic adaptations rather than muscle growth.
What the research says
1 studyAfter 8 weeks of strength training, older women got stronger and their muscles worked better, but their muscles didn’t get much bigger—so the improvement came from their nerves and energy systems, not from growing more muscle.
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.