Morton toe linked to faster muscles and better jumps in female footballers
NCT ID NCT07588048
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study examined 47 female football players to see if those with Morton toe (a longer second toe) have different muscle and jumping abilities compared to those with normal feet. Researchers measured muscle contraction speed and reactive strength during jumps. The goal was to understand if this common foot shape is linked to athletic performance.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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47 people
The number who actually took part.
- Started
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Jan 2026
- Finished
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Mar 2026
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Female football players actively competing in organized leagues in Turkey, recruited from multiple teams during the 2025-2026 off-season period. A total of 97 players were initially screened; 47 met all eligibility criteria and were classified into Morton foot (n=24) and normal foot (n=23) groups.
- Ages
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18 years and older
- Sex
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Female participants only
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Active female football players with a valid sports license for the current season * Regular participation in training and competitive matches * Bilateral Morton toe morphology (Δ ≤ -0.30 mm on both feet) or bilateral normal foot morphology (Δ \> +0.30 mm on both feet) * Body mass index between 18.5 and 29.9 kg/m² * Bilateral arch index between 14% and 29% * Voluntary participation with written informed consent Exclusion Criteria: * Serious lower-extremity musculoskeletal injury within the past 12 months * Neurological or orthopedic disease affecting measurement procedures * Current use of pharmacological products affecting performance * Acute pain, injury, or illness on the measurement day * Menstruation on the measurement day (self-reported) * Inconsistent bilateral foot morphology classification between feet * Bilateral arch index below 14% (high arch) or above 29% (low arch)
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Conditions
The condition(s) this trial relates to.
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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Giresun University - Sports Science Faculty
Giresun, Centre, 28100, Turkey (Türkiye)