Actively Recruiting
Investigation of the Effect of Smartphone Addiction on the Biomechanical Properties of Thumb Muscles and Thumb Sensory Sensitivity in University Students
Led by Saglik Bilimleri Universitesi · Updated on 2025-07-02
36
Participants Needed
1
Research Sites
N/A
Total Duration
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AI-Summary
What this Trial Is About
Researchers are investigating how smartphone addiction affects the biomechanical properties and sensory sensitivity of thumb muscles in university students aged 18 to 30. This observational study aims to identify whether excessive smartphone use causes differences in muscle tone, stiffness, elasticity, and sensory discrimination abilities. The study will compare students classified as addicted or non-addicted based on the Smartphone Addiction Scale - Short Version (SAS-SV). Participants will be grouped into addicted and non-addicted categories according to their SAS-SV scores. Weekly smartphone screen time will be recorded, and the types of applications used will be categorized. Thumb muscle properties will be measured using the MyotonPro™ device on three specific muscles in both hands, while sensory sensitivity will be assessed with a Baseline Aesthesiometer through a two-point discrimination test. All assessments are non-invasive and conducted during one laboratory visit. During the study visit, participants will undergo biomechanical and sensory evaluations of their thumbs without receiving any treatment or intervention. Researchers will measure muscle tone, stiffness, elasticity, and sensory discrimination to explore associations with smartphone use. The primary outcome is muscle assessment using MyotonPro™ at baseline, and secondary outcomes include sensory testing and smartphone addiction scoring. The study is expected to start in July 2025 and continue until July 2026.
CONDITIONS
Brief Title
Smartphone Addiction on the Biomechanical Properties of Thumb Muscles and Thumb Sensory Sensitivity
Who Can Participate
Eligibility Criteria
You may qualify if you...
- Aged 18-30 years
- Currently enrolled university students
- Regular smartphone users
You will not qualify if you...
- Presence of systemic, chronic, or neuromuscular disorders
- History of upper limb surgery or trauma
- Neurological or orthopedic conditions affecting upper extremities
- Subcutaneous fat over target muscles >20 mm
- Presence of wounds or burns on the measurement area
AI-Screening
AI-Powered Screening
Complete this quick 3-step screening to check your eligibility
Your Study Journey
Duration - 2 to 4 weeks
Participants are screened for eligibility to participate in the trial.
1 visit (in-person)
Duration - 1 day
Participants undergo non-invasive biomechanical and sensory assessments of thumb muscles and sensory sensitivity during a single laboratory visit to compare smartphone-addicted and non-addicted university students.
1 visit (in-person)
Duration - Duration of study
Participants' weekly screen times and smartphone application usage are recorded to observe correlations with neuromuscular and sensory function.
Weekly recording
Trial Site Locations
Total: 1 location
1
Esra Pehlivan
Istanbul, Üsküdar, Turkey (Türkiye), 34668
Actively Recruiting
How is the study designed?
Study Type
OBSERVATIONAL
Masking
N/A
Allocation
N/A
Model
N/A
Primary Purpose
N/A
Number of Arms
2
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