Smartphone Use and Neck Flexion Angle
The Effect of Smartphone Use on Neck Flexion Angle and Hand Grip Power Among Adolescence
1 other identifier
observational
140
1 country
1
Brief Summary
Excessive smartphone use can disrupt your sleep, which can have a serious impact on your overall mental health. It can impact your memory, affect your ability to think clearly, and reduce your cognitive and learning skills. Encouraging self-absorption.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for all trials
Started Mar 2020
Shorter than P25 for all trials
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
March 1, 2020
CompletedFirst Submitted
Initial submission to the registry
January 14, 2021
CompletedFirst Posted
Study publicly available on registry
January 20, 2021
CompletedPrimary Completion
Last participant's last visit for primary outcome
February 1, 2021
CompletedStudy Completion
Last participant's last visit for all outcomes
March 1, 2021
CompletedMarch 17, 2021
March 1, 2021
11 months
January 14, 2021
March 13, 2021
Conditions
Keywords
Outcome Measures
Primary Outcomes (2)
the neck flexion angle
flexion angle of the neck
the neck flexion angle at day 0
the neck flexion angle
flexion angle of the neck
the neck flexion angle at day 120
Secondary Outcomes (2)
hand grip power
power of hand at date 0
hand grip power
power of hand at date 120
Study Arms (2)
participants use smartphone less than 4 hours per day
participants use smartphone less than 4 hours per day
participants use smartphone more than 4 hours per day
participants use smartphone more than 4 hours per day
Eligibility Criteria
healthy volunteers using smartphone less or more than 4 hours per day have not any signes of musculoskeletal problems
You may qualify if:
- volunteers using smartphone less or more than 4 hours per day
You may not qualify if:
- low back pain surgeries affecting upper limps
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Nehad ahmed youness
Asyut, Egypt
Related Publications (4)
Bonney RA, Corlett EN. Head posture and loading of the cervical spine. Appl Ergon. 2002 Sep;33(5):415-7. doi: 10.1016/s0003-6870(02)00036-4.
PMID: 12236650BACKGROUNDJanwantanakul P, Sitthipornvorakul E, Paksaichol A. Risk factors for the onset of nonspecific low back pain in office workers: a systematic review of prospective cohort studies. J Manipulative Physiol Ther. 2012 Sep;35(7):568-77. doi: 10.1016/j.jmpt.2012.07.008. Epub 2012 Aug 24.
PMID: 22926018BACKGROUNDHansraj KK. Assessment of stresses in the cervical spine caused by posture and position of the head. Surg Technol Int. 2014 Nov;25:277-9.
PMID: 25393825BACKGROUNDGrimmer-Somers K, Milanese S, Louw Q. Measurement of cervical posture in the sagittal plane. J Manipulative Physiol Ther. 2008 Sep;31(7):509-17. doi: 10.1016/j.jmpt.2008.08.005.
PMID: 18804001BACKGROUND
Study Officials
- PRINCIPAL INVESTIGATOR
Nehad A Abo-zaid, lecturer
South Valley University, Faculty of Physical Therapy
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- lecturer ofphysical terapy
Study Record Dates
First Submitted
January 14, 2021
First Posted
January 20, 2021
Study Start
March 1, 2020
Primary Completion
February 1, 2021
Study Completion
March 1, 2021
Last Updated
March 17, 2021
Record last verified: 2021-03
Data Sharing
- IPD Sharing
- Will not share