Can too much screen time weaken teen hands?
NCT ID NCT07758699
First seen Aug 11, 2026 · Last updated Aug 12, 2026 · Updated 1 time
Summary
This study looks at whether a painful hand condition called De Quervain's tenosynovitis, linked to heavy smartphone use, affects hand grip strength and quality of life in teenagers. Researchers will compare two groups of smartphone-addicted adolescents: those with the condition and those without it. Participants will have their hand strength measured with a dynamometer and complete a quality-of-life questionnaire. The goal is to understand the impact of this condition on daily functioning and well-being.
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 a link is found, it could highlight the importance of limiting smartphone use to prevent hand problems in teens.
- What could go wrong
- This is an observational study, so it cannot prove cause and effect. Results may not apply to all teens or other populations.
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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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Faculty of physical therapy, Cairo University
Giza, Egypt
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