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The Study

Effects of different velocity loss thresholds on strength, neuromuscular adaptations, and muscle hypertrophy during bench press training in women

In simple terms

This study compared three different ways of doing bench press workouts and saw which one made women stronger or bigger in different ways. It doesn't prove one way is the absolute best for everyone, but it shows what happened in these women after 8 weeks of training.

69%

Analysis score

69/ 90

Maximum 90 for a randomized controlled trial.

Where the score came from

Reporting40
Methodology62
Publication100
Statistical77
Study type (basis of the score)
Randomized Controlled Trial
Level 1b - Individual RCT
What’s the bottom line?

Women who lifted heavy weights with different levels of fatigue were tested to see which way made them stronger, faster, or bigger.

Where does this study sit?

Reviews of RCTs (Meta-analyses)

Max 100

Randomized Trials

Max 90

Reviews of Cohort Studies

Max 85

Cohort Studies

Max 72

Reviews of Case-Control Studies

Max 63

Case-Control Studies

Max 58

Cross-Sectional & Case Series

Max 50

Expert Opinion

Max 5
StrongerWeaker
Randomized Trials
Level 1b
69

69 / 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.

Can establish causation

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Key takeaways

Summary

Based on the study abstract and findings.

  1. 1Yes — doing more reps per set (up to 50% fatigue) helps women build more muscle and strength under heavy loads, but doing only one rep per set still helps strength — just not as much.
  2. 2For explosive power, moderate fatigue (25%) is best.
  3. 3VL50 (many reps per set): got strongest and biggest muscles.
  4. 4VL25 (moderate reps): got fastest and most neural activation.
  5. 5VL0 (one rep per set): got stronger, but not as strong or big as the others.

Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data

Publication

Journal

Biology of Sport

Year

2025

Authors

L. Rodiles-Guerrero, Clara Cano-Castillo, P. Cornejo-Daza, J. Sánchez-Valdepeñas, B. Sañudo, Miguel Sánchez-Moreno, Beatriz Bachero‐Mena, F. Pareja-Blanco

Open Access
Analysis v5

Related Content

Claims (6)

Assertion

Working out with different numbers of repetitions per set results in the same amount of muscle growth as always using a moderate number of repetitions per set.

Comparative
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Assertion

Among intermediate-trained women doing bench press exercises with heavy weights over eight weeks, stopping sets when speed drops by 50% leads to larger gains in maximum strength and triceps muscle size than stopping after just one repetition.

Causal
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Assertion

Intermediate-trained women who lift weights at 70–85% of their maximum strength for 8 weeks and stop sets when they slow down by 25% show greater gains in explosive power and muscle activation during fast movements than those who stop when they slow down by 0% or 50%.

Causal
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Assertion

In intermediate-trained women, doing one repetition per set at 70–85% of maximum strength twice a week for eight weeks increases maximal strength but does not produce the greatest gains in strength under heavy loads or muscle size compared to protocols that induce higher fatigue.

Causal
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Assertion

In intermediate-trained women, performing bench press movements with a 25% loss of velocity increases muscle electrical activity more than performing them with a 50% loss of velocity.

Mechanistic
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Assertion

In intermediate-trained women, lifting with higher velocity loss limits reduces the ability to maintain speed during submaximal lifts, while lower velocity loss limits preserve or improve speed performance.

Causal
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