Cell Phone UseNCT05817877
Investigation of the Relationship of Smartphone Use Time With Neck Endurance, Head Posture, Lateral Grip Strength, Hand Grip Strength and Postural Control Parameters in Young Adults
An observational study of Cell Phone Use, run by Dokuz Eylul University at 1 site in Turkey (Türkiye).
Trial summary
In the planned study, young adults between the ages of 18-35 with different phone usage durations will be evaluated. The aim of the study is to investigate whether the average daily phone usage time has a direct relationship with neck muscle endurance, rough grip strength, lateral grip strength and head posture, and… Read more about this study
- Who is it for?
- Ages 18 to 35 yearsHealthy volunteers can take part
- Conditions the study is for
- Cell Phone Use
- What is being tested?
- phone use
- How many people
- 120 participants
- Where
- 1 siteTurkey (Türkiye)
- Study dates
- 14 Mar 2023to 14 Mar 2024
- Phase
- Observational
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 to 35 years
- All sexes
- Healthy volunteers accepted
- Adult
Study population: healthy young adults
Who may be able to join
- Using a phone with IOS 12 or android 9 and above for at least one week
Who cannot join
- Presence of orthopedic surgery in the last 6 months
- Those who have a disease or take medication that will prevent neuromuscular system and postural control measurements
- have neck pain
Trial locations and contacts
1 site in 1 country.
Turkey (Türkiye)1 site, 1 recruiting
- Recruiting
Dokuz Eylül Univercity
Izmir, Balçova, 35330
İbrahim Engin Şimşek, Professor, +905323476148, iengin.simsek@gmail.com
About this study
In the planned study, young adults between the ages of 18-35 with different phone usage durations will be evaluated. The aim of the study is to investigate whether the average daily phone usage time has a direct relationship with neck muscle endurance, rough grip strength, lateral grip strength and head posture, and whether there is an indirect relationship with postural control. People who have phones with IOS 12 or Android 9 and above will be invited to the study. By looking at the screen time tracking feature in these versions, the daily phone usage hour for the last week will be calculated and the participants will be divided into two groups as the daily phone usage average of 5, and below and 5 hours. In the planned study, neck endurance will be tested on flexor and extensor muscle groups in accordance with the literature. The lateral flexion and anterior tilt angles will be calculated with two photographs taken from the anterior and lateral sides of the head posture of the person's shoulder, and the hand grip strength will be measured with a Jamar hand dynamometer and the lateral grip strength will be measured with a pinchmeter. Postural control evaluation will be measured by means of center of pressure-CoP parameters measured with TekScan brand pressure platform. The study is planned to be carried out in the Movement Analysis Laboratory of the Faculty of Physical Therapy and Rehabilitation of Dokuz Eylul University. Participants will be selected from healthy adults between the ages of 18-35 who volunteered to participate in the study among the students of the Faculty of Physical Therapy and Rehabilitation, their relatives and the relatives of the researcher. The study is planned to be completed within 6 months following ethical approval.
- Conditions
- Cell Phone Use
- Being tested
- phone use
- Keywords
- CoP, Balance, forehead posture
- Medical subject headings
- Cell Phone Use
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
phone useOther
There is no intervention.
| Study group | Role | What they receive |
|---|---|---|
| over 5 hours | people with an average daily phone use of more than 5 hours. Receives: Other: phone use | |
| under 5 hours | People with an average daily phone use of less than 5 hours. Receives: Other: phone use |
What is being measured
The primary outcome is the main question the study is designed to answer.
postural control parameters
Postural control can be quantitatively assessed by examining the behavior of the statically or dynamically in the lower pressure center (CoP).
Measured: up to 8 weeks
Secondary outcomes (3)
hand grip strength
hand grip is the numerical output of the brute grip strength of the hand
Measured: up to 8 weeks
lateral grip strength
The lateral grip is a numerical measurement of the maximum strength of the thumb abductor muscles, which we do not use especially during texting.
Measured: up to 8 weeks
neck muscle endurance
neck muscle endurance is the numerical data of the endurance of the neck flexor and extensor muscles
Measured: up to 8 weeks
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted18 Apr 2023
- Study start14 Mar 2023
- Primary completion20 Jun 2023
- Study completion14 Mar 2024 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Cell Phone UseStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Observational model
- Other
- Time perspective
- Prospective
- Enrolment
- 120 participants (estimated)
Sponsor and investigators
- Lead sponsor
- Dokuz Eylul University
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Zeynep SAG, Dokuz Eylul University
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT05817877
- Sponsor's protocol ID
- 2023/03-14
- Status last verified
- Sep 2023
- First submitted
- 23 Mar 2023
- Last updated
- 7 Sep 2023
- Results posted
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- Yes
Study at a glance
From the registry record, last updated by the sponsor on 7 Sep 2023. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Investigation of the Relationship of Smartphone Use Time With Neck Endurance, Head Posture, Lateral Grip Strength, Hand Grip Strength and Postural Control Parameters in Young Adults
- ClinicalTrials.gov ID
- NCT05817877
- Acronym / sponsor ID
- 2023/03-14
- Conditions
- Cell Phone Use
- Keywords
- CoP, Balance, forehead posture
- Study type
- Observational
- Recruitment status
- Unknown status
- Enrolment
- 120 participants (estimated)
- Lead sponsor
- Dokuz Eylul UniversityUniversity, hospital or other
- Study start
- 14 Mar 2023 (actual)
- Primary completion
- 20 Jun 2023 (actual)
- Study completion
- 14 Mar 2024 (estimated)
- First posted
- 18 Apr 2023 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
In the planned study, young adults between the ages of 18-35 with different phone usage durations will be evaluated. The aim of the study is to investigate whether the average daily phone usage time has a direct relationship with neck muscle endurance, rough grip strength, lateral grip strength and head posture, and whether there is an indirect relationship with postural control. People who have phones with IOS 12 or Android 9 and above will be invited to the study. By looking at the screen time tracking feature in these versions, the daily phone usage hour for the last week will be calculated and the participants will be divided into two groups as the daily phone usage average of 5, and below and 5 hours. In the planned study, neck endurance will be tested on flexor and extensor muscle groups in accordance with the literature. The lateral flexion and anterior tilt angles will be calculated with two photographs taken from the anterior and lateral sides of the head posture of the person's shoulder, and the hand grip strength will be measured with a Jamar hand dynamometer and the lateral grip strength will be measured with a pinchmeter. Postural control evaluation will be measured by means of center of pressure-CoP parameters measured with TekScan brand pressure platform. The study is planned to be carried out in the Movement Analysis Laboratory of the Faculty of Physical Therapy and Rehabilitation of Dokuz Eylul University. Participants will be selected from healthy adults between the ages of 18-35 who volunteered to participate in the study among the students of the Faculty of Physical Therapy and Rehabilitation, their relatives and the relatives of the researcher. The study is planned to be completed within 6 months following ethical approval.
Study design
- Observational model
- Other
- Time perspective
- Prospective
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| over 5 hours | – | Other: phone usepeople with an average daily phone use of more than 5 hours. |
| under 5 hours | – | Other: phone usePeople with an average daily phone use of less than 5 hours. |
Who may qualify
- Ages
- 18 to 35 years
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Adult
- Study population
- healthy young adults
Key inclusion criteria (1 listed)
- Using a phone with IOS 12 or android 9 and above for at least one week
Key exclusion criteria (3 listed)
- Presence of orthopedic surgery in the last 6 months
- Those who have a disease or take medication that will prevent neuromuscular system and postural control measurements
- have neck pain
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| phone useThere is no intervention. | Other | over 5 hours, under 5 hours |
Primary outcome
postural control parameters
Time frame: up to 8 weeks
Postural control can be quantitatively assessed by examining the behavior of the statically or dynamically in the lower pressure center (CoP).
3 secondary outcomes
hand grip strength
Time frame: up to 8 weeks
lateral grip strength
Time frame: up to 8 weeks
neck muscle endurance
Time frame: up to 8 weeks
Results and safety
Results are not available in the source record.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 7 Sep 2023.
- Individual participant dataSharing planned: Yes
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of Cell Phone Use, run by Dokuz Eylul University at 1 site in Turkey (Türkiye).
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 1 inclusion and 3 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: status not confirmed, as of the sponsor's last update on 7 Sep 2023. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in Turkey (Türkiye). Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
Results are not available in the source record.
How can a doctor refer a patient or contact the research team?
Contact Zeynep SAĞ (+905065829407, fzt.zeynep.sag@gmail.com), or a site near the patient. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
postural control parameters (time frame: up to 8 weeks). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 7 Sep 2023.