Secret weapon for soccer stars? isometric calf raises may improve speed and agility
NCT ID NCT07482254
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at whether doing isometric calf raises (holding a contraction without moving) can immediately improve sprinting, jumping, and change-of-direction performance in elite youth soccer players. Twelve male players aged 15-19 will do either the calf exercise or a light walk, then be tested on sprints and jumps. The goal is to see if this simple warm-up activity can give a short-term boost to explosive movements on the field.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
isometric conditioning activity (unilateral standing isometric calf raises)
What this could lead to
If it works, this could point toward a simple warm-up method to improve explosive performance in youth soccer players.
What could go wrong
This is a very small, early-stage study with only 12 participants, so results may not apply to all players. The effect is measured minutes after exercise, so long-term benefits are unknown.
Disclaimer
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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.
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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Contacts and locations
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Locations
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Academy of Physical Education in Katowice
Katowice, Silesian Voivodeship, 40-065, Poland