Effect of Problematic Smartphone Use

Effect of Problematic Smartphone Use on Upper Extremity Functions and Cognitive Functions

NCT06636929•Kutahya Health Sciences University

Summary

There is no study that examines the effect of problematic use of smartphones, which has become a global problem today, on reaction time and cognitive functions together. This study was planned to examine the effect of problematic smartphone use on upper extremity functions and cognitive functions. Participants' problematic smartphone use will be evaluated with the Smartphone Addiction Scale Short Form. Within the scope of upper extremity functions, Quick Disabilities of Arm, Shoulder \& Hand Questionnaire, reaction time and grip strength will be evaluated. Reaction time will be measured with BlazePod Trainer (Blazepod Trainer Device, Play Coyotta Ltd, Tel Aviv, Israel). Jamar dynamometer (Performance Health, Warrenville, IL) will be used to evaluate grip strength. Cognitive functions will be assessed using the Stroop Test ÇAPA Form, Trail Making Test and Cognitive Failures Questionnaire.

Eligibility

Age

18 - 25 years

Sex

ALL

Healthy Volunteers

Yes

Inclusion Criteria

•To be between 18-25 years old
•Using a smartphone for at least 1 hour a day
•Volunteering to participate in the study

Exclusion Criteria

•Having undergone a surgical operation involving the upper extremity within the last 6 months
•History of trauma to the shoulder, elbow, hand and wrist in the last 6 months
•Presence of a diagnosed neurological, rheumatic or psychiatric disease

Locations (1)

Kutahya Health Sciences University

Kütahya, Center, Turkey (Türkiye)

Key Dates

Start Date

October 20, 2024

Primary Completion Date

June 30, 2025

Completion Date

December 31, 2025

Last Updated

March 10, 2026

Enrollment

131

ACTUAL participants

Conditions

Smartphone Addiction

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RECRUITING

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Data Source & Attribution

This clinical trial information is sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.

ClinicalTrials.gov last update: March 10, 2026Data synced to Clareo: March 29, 2026

Modifications: This data has been reformatted for display purposes. Eligibility criteria have been parsed into inclusion/exclusion sections. Location data has been geocoded to enable distance-based search. For the authoritative and most current information, please visit ClinicalTrials.gov.

Neither the United States Government nor Clareo Health make any warranties regarding the data. Check ClinicalTrials.gov frequently for updates.

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Effect of Problematic Smartphone Use

Inclusion Criteria

Exclusion Criteria

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