NCT06408766

Investigating the Effects of Smartphone Use on the Masseter Muscle

Investigating the Short and Long-term Effects of Smartphone Use on the Masseter Muscle

• Status: Completed
• Phase: —
• Study type: Observational
• Enrollment: 105 (actual)
• Sponsor: Bandırma Onyedi Eylül University · Academic / Other
• Sex: All
• Age: 18 Years – 30 Years
• Healthy volunteers: Accepted

Summary

The aim of this study was to determine the short- and long-term effects of smartphone use on the masseter muscle. In the short term, to investigate whether repetitive thumb movements during phone use will cause a spontaneous muscle activation and/or tenderness in the masseter muscle; in the long term, to investigate the relationship between strength change and tenderness of the tenar and masseter muscles depending on the intensity and duration of phone use.

Detailed description

A total of 120 healthy university students aged 18-30 years at Bandırma Onyedi Eylül University will be included in our study. Descriptive data form, Smartphone Addiction Scale - Short Form, Edinburg Hand Preference Inventory, pressure pain threshold, muscle activity, lateral grip strength, hand grip strength will be evaluated in the participant students.

Conditions

• Smartphone Addiction
• Masseter Muscle Hypertrophy
• Masseter Muscle Spasm

Timeline

• Start date: 2024-07-01
• Primary completion: 2025-01-01
• Completion: 2025-01-15
• First posted: 2024-05-10
• Last updated: 2025-06-06

Locations

1 site across 1 country: Turkey (Türkiye)