Dumbbells vs. machines: which builds muscle better?
NCT ID NCT07495540
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study will compare the effects of free weight exercises (like dumbbells and barbells) versus weight machines on muscle strength and endurance. Twenty-six inactive adults aged 18-30 will be assigned to one of two groups and train three times a week for eight weeks. The goal is to see which method leads to better muscle gains and neuromuscular control.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- Resistance exercise (free weights vs. weight machines)
- What this could lead to
- If successful, this could help people choose the most effective type of strength training for building muscle and improving control.
- What could go wrong
- This is a small, early-stage study with only 26 participants, so results may not apply to everyone. It compares two common methods, so no major breakthroughs are expected.
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Biruni University
Istanbul, Zeytinburnu, 34015, Turkey (Türkiye)
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