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CTRI Number  CTRI/2025/07/091158 [Registered on: 18/07/2025] Trial Registered Prospectively
Last Modified On: 17/07/2025
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   Cross Sectional Study 
Study Design  Other 
Public Title of Study   Impact Of Smartphone Usage On Spinal Curvatures In Post Puberty Adolescents 
Scientific Title of Study   Impact Of Smartphone Usage On Thoracic And Lumbar Curvatures In Post Puberty Adolescents: A Cross-Sectional Study 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Aparna VS 
Designation  Post graduate student 
Affiliation  Nitte institute of physiotherapy 
Address  Department of Physiotherapy, Room no.60, Second base division , Nitte Institute of Physiotherapy, NITTE Deemed to be University, Deralakatte, Mangaluru. Dakshina Kannada KARNATAKA 575018 India

Dakshina Kannada
KARNATAKA
575018
India 
Phone  7356647592  
Fax    
Email  aparnavs345@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Rakesh Krishna Kovela 
Designation  Associate professor 
Affiliation  Nitte institute of physiotherapy 
Address  Department of Physiotherapy, Room no.60, Second base division , Nitte Institute of Physiotherapy, NITTE Deemed to be University, Deralakatte, Mangaluru. Dakshina Kannada KARNATAKA 575018 India

Dakshina Kannada
KARNATAKA
575018
India 
Phone  7204346274  
Fax    
Email  rakesh.krishna@nitte.edu.in  
 
Details of Contact Person
Public Query
 
Name  Dr Rakesh Krishna Kovela 
Designation  Associate professor 
Affiliation  Nitte institute of physiotherapy 
Address  Department of Physiotherapy, Room no.60, Second base division , Nitte Institute of Physiotherapy, NITTE Deemed to be University, Deralakatte, Mangaluru. Dakshina Kannada KARNATAKA 575018 India

Dakshina Kannada
KARNATAKA
575018
India 
Phone  7204346274  
Fax    
Email  rakesh.krishna@nitte.edu.in  
 
Source of Monetary or Material Support  
Department of Physiotherapy, Room number 60, Second base division, NITTE Institute of Physiotherapy, NITTE (Deemed to be University), Deralakatte, Mangaluru, Karnataka 575018, India Dakshina Kannada KARNATAKA 
 
Primary Sponsor  
Name  Nitte Institute of Physiotherapy, Nitte Deemed to be University 
Address  Department of Physiotherapy, Room number 60, Second base division, NITTE Institute of Physiotherapy, NITTE (Deemed to be University), Deralakatte, Mangaluru, Karnataka 575018, India 
Type of Sponsor  Research institution 
 
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 Rakesh Krishna Kovela  Nitte institute of physiotherapy  Department of Physiotherapy, Room number 60, second base division, NITTE Institute of Physiotherapy, NITTE (Deemed to be University), Deralakatte, Mangaluru, Karnataka 575018, India Dakshina Kannada KARNATAKA
Dakshina Kannada
KARNATAKA 
7204346274

rakesh.krishna@nitte.edu.in 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee of Nitte Institute of Physiotherapy  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Healthy Human Volunteers  Thoracic and lumbar curvatures 
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Nil  Nil 
Intervention  Nil  Nil 
Intervention  Nil  Nil 
Intervention  Nil  Nil 
 
Inclusion Criteria  
Age From  12.00 Year(s)
Age To  16.00 Year(s)
Gender  Both 
Details  Post puberty adolescents boys and girls aged between 12 and 16 year
Use of smartphone above 4 hours
Adolescents who wear spectacles 
 
ExclusionCriteria 
Details  Adolescents with fixed deformities of spine
Adolescents who are diagnosed with any neurological or psychiatrist issues
Adolescents who carry bag packs more than 20% weight 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Flexible Ruler : To assess thoracic and lumbar curvatures  Flexible ruler will be used at baseline 
 
Secondary Outcome  
Outcome  TimePoints 
Bubble inclinometer : To record thoracic kyphosis & lumbar lordosis angles  A bubble inclinometer will be used at baseline 
 
Target Sample Size   Total Sample Size="133"
Sample Size from India="133" 
Final Enrollment numbers achieved (Total)= "0"
Final Enrollment numbers achieved (India)="0" 
Phase of Trial   N/A 
Date of First Enrollment (India)   20/08/2025 
Date of Study Completion (India) 02/01/2026 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Date Missing 
Estimated Duration of Trial   Years="1"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)   Not Applicable 
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 cross-sectional observational study aims to investigate the impact of smartphone usage on thoracic kyphosis and lumbar lordosis among post-puberty adolescents aged 12 to 16 years. Participants will first be screened using the Smartphone Addiction Scale – Short Version (SAS-SV) to categorize the severity of smartphone addiction. Based on the screening, spinal curvatures will be assessed using a flexible ruler and bubble inclinometer to measure thoracic kyphosis and lumbar lordosis angles. The study seeks to identify whether prolonged smartphone usage is associated with postural deviations in this age group. Data will be collected from school-going adolescents in Mangaluru, Karnataka, and analyzed for correlations between smartphone addiction and spinal alignment. 
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