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CTRI Number  CTRI/2024/09/073745 [Registered on: 10/09/2024] Trial Registered Prospectively
Last Modified On: 28/06/2025
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   Cross Sectional Study 
Study Design  Other 
Public Title of Study   Smartphone Use Effects on Neck, Trunk Muscle Endurance, and Spinal Posture in Young Adults - Comparative Analysis 
Scientific Title of Study   Effect of Smartphone use on Neck and Trunk Muscle Endurance and Spinal Posture in young adults-A Comparative Analysis 
Trial Acronym  Nil 
Secondary IDs if Any  
Secondary ID  Identifier 
YECl/2024/089 Version 2 06/05/2024  Protocol Number 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Saram Mufeeda P V 
Designation  Post graduate student 
Affiliation  Yenepoya University 
Address  Yenepoya Naringana Campus, physiotherapy department, deralakatte, Mangalore, karnataka.

Dakshina Kannada
KARNATAKA
575018
India 
Phone  9037279217  
Fax    
Email  Mufeedaemo@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Harsha M Naik 
Designation  Assistant Professor 
Affiliation  Yenepoya University  
Address  Yenepoya Naringana Campus, physiotherapy department, Deralakatte, Mangalore, karnataka.

Dakshina Kannada
KARNATAKA
575018
India 
Phone  8073836187  
Fax    
Email  harshamnaik@yenepoya.edu.in  
 
Details of Contact Person
Public Query
 
Name  Harsha M Naik 
Designation  Assistant Professor 
Affiliation  Yenepoya University  
Address  Yenepoya Naringana Campus, physiotherapy department, Deralakatte, Mangalore, karnataka.

Dakshina Kannada
KARNATAKA
575018
India 
Phone  8073836187  
Fax    
Email  harshamnaik@yenepoya.edu.in  
 
Source of Monetary or Material Support  
Yenepoya Physiotherapy College, Deralakatte, Mangalore, karnataka Pincode-575018 
 
Primary Sponsor  
Name  Saram Mufeeda P V 
Address  Yenepoya Physiotherapy College. Naringana, Deralakatte Mangalore - 575018. Karnataka  
Type of Sponsor  Other [Self] 
 
Details of Secondary Sponsor  
Name  Address 
NIL  NIL 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Harsha M Naik  Yenepoya University  Yenepoya Deemed to be university Naringana,Mangalore,karnataka 575018 Dakshina Kannada KARNATAKA
Dakshina Kannada
KARNATAKA 
8073836187

Harshamnaik@yenepoya.edu.in 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Yenepoya Ethics Commitee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Healthy Human Volunteers  Volunteers screening for smartphone addiction 
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Nil  Nil 
Comparator Agent  Nil  Nil 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  25.00 Year(s)
Gender  Both 
Details  a. Undergraduate and postgraduate student in Yenepoya University b. Age group (18-25 years)
c. Both male and female 
 
ExclusionCriteria 
Details  a. Person with history of Neck pain, Back pain, radicular pain, neurological symptoms. b. Person with medical condition or undergone surgery . 
 
Method of Generating Random Sequence   Other 
Method of Concealment   Other 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Smartphone addiction scale short version
Mcgill torso endurance test
Deep neck flexor endurance test
Cervical extensor endurance test
 
One time assessment
(At baseline) 
 
Secondary Outcome  
Outcome  TimePoints 
Thoracic Kyphosis index
Craniovertebral angle
Lumbar lordosis index 
One time assessment
(At baseline) 
 
Target Sample Size   Total Sample Size="146"
Sample Size from India="146" 
Final Enrollment numbers achieved (Total)= "146"
Final Enrollment numbers achieved (India)="146" 
Phase of Trial   N/A 
Date of First Enrollment (India)   01/10/2024 
Date of Study Completion (India) 28/06/2025 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) 28/06/2025 
Estimated Duration of Trial   Years="1"
Months="6"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  
Not Yet Recruiting 
Recruitment Status of Trial (India)  Completed 
Publication Details   N/A 
Individual Participant Data (IPD) Sharing Statement

Will individual participant data (IPD) be shared publicly (including data dictionaries)?  

Response - NO
Brief Summary   This study investigate the correlation between posture and endurance with the smartphone addicts. The prevalence of slumped posture is increasing in the smartphone addicts as a result could also lead to decreased muscle activity. This could eventually lead to major dysfunction. Hence this study will be helpful for forming the rehabilitation strategies and giving awareness regarding maintaining good posture. 
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