Primary sources
References used by the product and editorial pages
- WHO guidelines on physical activity and sedentary behaviourWorld Health Organization · 2020 ↗
- Physical activity — Fact sheetWorld Health Organization · 2024 ↗
- Resistance Training Prescription for Muscle Function, Hypertrophy, and Physical Performance in Healthy AdultsAmerican College of Sports Medicine · 2026 ↗
- Influence of Resistance Training Proximity-to-Failure on Skeletal Muscle HypertrophySports Medicine · PubMed · 2023 ↗
- Accuracy in Predicting Repetitions to Task Failure in Resistance ExerciseSports Medicine · PubMed · 2022 ↗
- Efficacy of Split Versus Full-Body Resistance Training on Strength and Muscle GrowthJournal of Strength and Conditioning Research · PubMed · 2024 ↗
- Give it a rest: effect of inter-set rest interval duration on muscle hypertrophyFrontiers in Sports and Active Living · PubMed · 2024 ↗
- Training Session and Detraining Duration Affect Lower Limb Muscle Strength MaintenanceJournal of Aging and Physical Activity · PubMed · 2022 ↗
Primary references
We prefer official guidance, position stands, systematic reviews and peer-reviewed publications.
Product interpretation
Evidence frames rest, effort and consistency; the engine still makes bounded product choices for home training.
No medical claim
The site does not diagnose, rehabilitate or replace qualified advice for pain, injury or a medical condition.