Free weights vs machines: which really works your chest more?
NCT ID NCT07539337
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at how two common chest exercises—bench press and machine chest press—change the stiffness and tone of the chest muscle right after exercise. Sixteen male bodybuilders did either bench press or machine chest press at the same intensity. The goal was to see which exercise causes more muscle stiffness or tone changes. Results help understand how different exercises affect muscles, but no treatment or health outcome was tested.
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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Locations
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Giresun University - Sports Science Faculty
Giresun, Centre, 28100, Turkey (Türkiye)