Finger length may predict joint flexibility, study finds
NCT ID NCT07157930
First seen Nov 01, 2025 · Last updated May 19, 2026 · Updated 25 times
Summary
This study looked at whether the ratio of index to ring finger length (2D:4D) — a marker of hormone exposure before birth — is different in young adults with joint hypermobility (very flexible joints) compared to those without. Researchers measured finger lengths and joint flexibility in 180 people aged 18-35. The goal was to understand if prenatal hormones play a role in joint looseness, which may help explain related symptoms like pain or poor sleep.
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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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Nigde Omer Halisdemir University
Niğde, Turkey (Türkiye)
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