Effect of One and Double Hands Use of Smartphone in University Students

Recruiting

• Conditions: Healthy higher education students and aged between 18 to 23 years old.; Smartphone, Posture, Nerve, Blood flow, Lung function

• Registration Number: TCTR20220519003
• Lead Sponsor: Faculty of Allied Health Sciences, Burapha University

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2022-05-19
• Study Completion: 2022-09-30
• Last Update Posted: 19 August 2024

Recruitment & Eligibility

• Status: Recruiting
• Sex: All
• Target Recruitment: 80

Inclusion Criteria

1. Healhty Higher education students, aged between 18-23 years old.
2. Able to communicate in Thai language
3. Whitout pain at neck shoulder and upper limb
4. Do not have abnormalities of eye muscles.
5. Able to participate in the project throughout the study
6. Whitout history of spinal trauma, upper limb injury or surgery on the neck and shoulder in the past 1 year.
7. Using a smartphone with the right hand
8. Voluntarily join the project and sign a consent form.

Exclusion Criteria

1. People with bone, joint and musclular diseases that affect the neck and upper extremities such as rheumatoid arthritis, osteoarthritis and other connective tissue diseases.
2. People with abnormal vision that can not be corrected by wearing glasses or contact lenses.

Study & Design

• Study Type: Observational
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Craniovertebral angle Pre and post the 30-min smartphone using. An angle between a horizontal line passing through the C7 spinous process and a line joining the midpoint of the tragus of the ear to the skin overlying the C7 spinous process.

Secondary Outcome Measures

Name	Time	Method
Acromial distance Pre and post the 30-min smartphone using. The perpendicular distance between the acromium process and the flat surface in supine position.,Hand grip strengthening Pre and post the 30-min smartphone using. Hand strength test using a hand grip dynamometer. ,Pain scale Pre and post the 30-min smartphone using. The pain scale will be measured by visual analogue scale (VAS).,Peripheral nerve tension Pre and post the 30-min smartphone using. Both medain nerve tensions will be measured by the upper limb tension test 1 technique (ULTT1) in supine position. ,Micro-vascular blood flow in tissue Pre and post the 30-min smartphone using. The Micro-vascular blood flow in tissue will be measured by Laser Doppler Flow Module type LDF100C at tip of fingers.,Pulmonary function test Pre and post the 30-min smartphone using. Air flow rate will be tested by a force vital capacity maneuver and a slow vital capacity maneuver.