The Study
Drop-Set Training Elicits Differential Increases in Non-Uniform Hypertrophy of the Quadriceps in Leg Extension Exercise
This study is like a fair race between two ways of lifting weights — one where you drop the weight and keep going, and one where you just lift the same weight. It found that the drop-set way made one part of the front thigh muscle grow more, but didn’t make you stronger or make the other parts of the thigh grow better. So it’s not a magic trick — just a small difference in one spot.
Analysis score
Maximum 90 for a randomized controlled trial.
Where the score came from
Two ways to train legs: one is normal, the other is doing extra reps right after getting super tired. The extra-reps way made one part of the front thigh muscle bigger — but only in the top and middle, not the bottom.
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 554 / 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 — you get more muscle growth in specific spots without spending more time or getting stronger faster.
- 2Top of thigh muscle grew 30% more with drop sets; middle grew 50% more; bottom grew same.
- 3Vastus muscle didn't change.
- 4Strength went up 33% either way.
Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data
Publication
Journal
Sports
Year
2021
Authors
Dorian Varović, Kristian Žganjer, S. Vuk, B. Schoenfeld
Related Content
Claims (10)
Drop set training produces equivalent muscle hypertrophy in significantly less training time compared to traditional resistance training, resulting in greater hypertrophy per unit of time.
The side muscle of your thigh doesn’t grow any more with drop sets than with regular sets—no matter where you measure it.
Doing leg extensions with drop sets (going to failure, then lowering the weight and going again) makes the front part of your thigh muscle grow more than doing regular sets, but only in the upper and middle parts—not the bottom or the side muscles.
Doing leg extensions with drop sets (going to failure, then lowering the weight and going again) makes the front part of your thigh muscle bigger in the upper and middle areas, but not the bottom part or the side muscle.
Muscles don’t grow evenly — some parts get bigger than others, and different muscles in the thigh respond differently to the same exercise.
Even though drop sets make you do more total work, they don’t make you stronger than regular sets when you’re just starting out with leg extensions.
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.