RP Strength Podcast Training Past Failure for Muscle Growth: What Actually Works With Dr. Milo Wolf
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Mar 16, 2026 Dr. Milo Wolf, exercise scientist researching hypertrophy and training to/past failure. He explains why working near failure boosts growth. Practical methods covered: partials, drop sets, and cautious cheat reps. Talks study findings, deloading strategies, injury risk context, and time-efficient ways to get comparable gains.
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Calf Study Showed 40% More Growth Past Failure
- Milo's first study used single-leg calf raises: one leg to failure, the other leg past failure with partials.
- Training past failure produced ~40% more growth, but it also added more total reps, confounding mechanisms.
Past Failure Can Double Set Efficiency
- A follow-up study equated total reps: three past-failure sets matched six to-failure sets and produced similar hypertrophy.
- That suggests past-failure can double per-set efficiency in some exercises like calf raises.
Stretch Position Adds Unique Hypertrophy Benefit
- A third study compared only-partials vs full-range plus partials and found doing only partials in the stretch gave ~40% more growth.
- This implies time spent in the stretched/contracted positions matters, not just extra reps.