Tag · 5 articles
hormones
research·13 min read
Sleep and Muscle Growth: 6 Hours vs 8 Hours Research Review
Sleeping 5.5 vs 7 hours changes more than energy levels - Walker's data shows roughly 30% slower muscle growth, driven by hormone and MPS shifts.
sleep·muscle growth·recovery
research·12 min read
Why Women Should Lift Heavy Weights: The Science
The science of why women must lift heavy weights for bone density, hormones, strength, and metabolic health, backed by 12-month IMU data.
women·heavy lifting·strength
research·9 min read
Sleep Deprivation Effects on Strength and Performance: Research Synthesis
After 24 hours of total sleep loss, Olympic weightlifters lost 3-7kg off snatch and clean-and-jerk totals, with no change in perceived effort.
sleep·recovery·strength
research·9 min read
Strength Training Hormonal Hypothesis: Do Acute Hormones Drive Growth?
High-rep training was long justified by post-workout T and GH spikes. Newer trials show local mechanical and metabolic signals predict growth far better.
hormones·hypertrophy·testosterone
research·8 min read
Sex Differences in Strength Training Response: What the Research Actually Shows
Women's relative hypertrophy gains match men's, but absolute strength runs 20-45% lower. A 30-RCT synthesis explains why, and what it means for training.
sex differences·strength training·hypertrophy