Find the variation you can do for 6–30 clean reps. Add reps.

Pick the variation you can do for about 6–30 clean reps and add reps week by week. Under 6 is a strength or skill rung; over 30 means climb. Heavy work still wins for max strength. A backpack or weight vest is fine, especially for legs.
S Evidence: strong. Large trials or many studies, pointing the same way.
P Evidence: promising. Good studies, but small or few. Use it and keep checking.
Schoenfeld et al. 2017 (meta-analysis, 21 studies) · Plotkin et al. 2022 (randomised trial, 43 adults) · in trained men, 20-25 light reps and 8-12 heavy reps, all to failure, built the same muscle (Morton et al. 2016, 🟡).
Not medical, legal or financial advice.
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