The Study
Optimizing Strength and Hypertrophy: The Combined Effect of Intensity and Velocity Loss Thresholds in Bench Press Training.
This study is like a test where people were randomly put into different exercise groups to see what works best. It suggests that certain ways of lifting weights might help get stronger or build more muscle, but we can't be totally sure because we don't know all the details of how the test was done.
Analysis score
Maximum 90 for a randomized controlled trial.
Where the score came from
Lifting heavier weights with some speed loss helps build bigger muscles and more strength.
Where does this study sit?
Reviews of RCTs (Meta-analyses)
Max 100Randomized Trials
Max 90Reviews of Cohort Studies
Max 85Cohort Studies
Max 72Reviews of Case-Control Studies
Max 63Case-Control Studies
Max 58Cross-Sectional & Case Series
Max 50Expert Opinion
Max 538 / 100
Quality score
Participants are randomly assigned to treatment or control groups, minimizing bias. The gold standard for testing whether an intervention causes an effect.
Key takeaways
Summary
Based on the study abstract and findings.
- 1Yes, these results show how to optimize training for specific goals like muscle size or strength.
- 2Heavy weights (70–85% max) gave biggest gains.
- 3Losing 50% speed increased muscle size and reps most; losing 25% speed increased max strength most.
Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data
Publication
Journal
Medicine and science in sports and exercise
Year
2026
Authors
F. Pareja-Blanco, J. Sánchez-Valdepeñas, P. Cornejo-Daza, L. Rodiles-Guerrero
Related Content
Claims (10)
Training muscles to the point of failure reduces gains in strength because it increases fatigue without producing significant improvements in nerve signaling or physical force production.
Training with weights at 70–85% of maximum capacity results in larger increases in maximal strength and power than training with lighter weights.
When resistance training is performed closer to muscular failure, muscle growth is greater due to higher total workload and longer duration of muscle contraction during each set.
Muscle growth occurs primarily when mechanical tension is applied over a sustained period of time.
Muscle growth occurs when the total amount of work done during training increases, regardless of whether that increase comes from doing more sets, more repetitions per set, or longer breaks between sets.
When lifting weights, stopping when speed drops by about 30% leads to larger increases in strength than lifting until exhaustion.
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.