NCT04715009

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

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
140

participants targeted

Target at P50-P75 for all trials

Timeline
Completed

Started Mar 2020

Shorter than P25 for all trials

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

March 1, 2020

Completed
11 months until next milestone

First Submitted

Initial submission to the registry

January 14, 2021

Completed
6 days until next milestone

First Posted

Study publicly available on registry

January 20, 2021

Completed
12 days until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 1, 2021

Completed
28 days until next milestone

Study Completion

Last participant's last visit for all outcomes

March 1, 2021

Completed
Last Updated

March 17, 2021

Status Verified

March 1, 2021

Enrollment Period

11 months

First QC Date

January 14, 2021

Last Update Submit

March 13, 2021

Conditions

Keywords

smartphoneneck flexion

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

Age12 Years - 18 Years
Sexall
Healthy VolunteersYes
Age GroupsChild (0-17), Adult (18-64)
Sampling MethodProbability Sample
Study Population

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

Location

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: 12236650BACKGROUND
  • Janwantanakul 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: 22926018BACKGROUND
  • Hansraj 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: 25393825BACKGROUND
  • Grimmer-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

  • Nehad A Abo-zaid, lecturer

    South Valley University, Faculty of Physical Therapy

    PRINCIPAL INVESTIGATOR

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

Locations