Is your phone weakening your grip? study probes link between smartphone addiction and hand function

NCT ID NCT06843863

Completed Knowledge-focused Sponsor: Istanbul Gelisim University Source: ClinicalTrials.gov ↗

First seen Jul 28, 2026 · Last updated Jul 29, 2026 · Updated 1 time

Summary

This study investigates whether smartphone addiction is linked to reduced pinch strength, increased muscle stiffness, and hand or wrist pain in young adults. Researchers will measure thumb muscle stiffness and grip strength in 134 participants aged 18 to 25 who are heavy smartphone users. No treatment is given—the goal is simply to understand how excessive phone use may affect hand health.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

What this could lead to: If links are found, it could highlight the need for ergonomic guidelines or exercises to prevent hand problems from heavy smartphone use.
What could go wrong: This is an observational study that can show associations but not cause and effect. Results may not apply to older people or those with different phone habits.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

Behavior Internet Addiction Disorder Musculoskeletal Pain

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

SMARTPHONE ADDICTION

Contacts and locations

Locations

Istanbul Kent University

Istanbul, Kağıthane, 34320, Turkey (Türkiye)

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Other studies related to the condition(s) this trial covers.