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CTRI Number  CTRI/2025/10/095948 [Registered on: 13/10/2025] Trial Registered Prospectively
Last Modified On: 11/10/2025
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Physiotherapy (Not Including YOGA) 
Study Design  Other 
Public Title of Study   To compare the effect of eccentric hamstring training in beginner-level football player. 
Scientific Title of Study   Effect of a 3-week eccentric hamstring training program on sprint performance and hamstring strength among beginner level football players. An experimental 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  Mohammed Zakaria Khan 
Designation  Undergraduate student 
Affiliation  Sri Ramachandra University 
Address  Sri Ramachandra Faculty of physiotherapy ground floor Sri Ramachandra Institute of Higher Education and Research
Porur
Chennai
TAMIL NADU
600116
India 
Phone  07305910921  
Fax  -  
Email  khanmohammedzakariakhan@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Soundharajan K 
Designation  Assistant Professor 
Affiliation  Sri Ramachandra Institute of Higher Education and Research 
Address  Sri Ramachandra Faculty of physiotherapy Ground floor Division 1 , Room no 1 Sri Ramachandra Institute of Higher Education and Research

Chennai
TAMIL NADU
600116
India 
Phone  9551163416  
Fax    
Email  soundarajan.k@sriramachandra.edu.in  
 
Details of Contact Person
Public Query
 
Name  Soundharajan K 
Designation  Assistant Professor 
Affiliation  Sri Ramachandra Institute of Higher Education and Research 
Address  Sri Ramachandra Faculty of physiotherapy ground floor Division - 1 , room no 1 Sri Ramachandra Institute of Higher Education and Research

Chennai
TAMIL NADU
600116
India 
Phone  9551163416  
Fax    
Email  soundarajan.k@sriramachandra.edu.in  
 
Source of Monetary or Material Support  
Sri Ramachandra Faculty of Physiotherapy Sri Ramachandra Institute of Research and Higher Education  
 
Primary Sponsor  
Name  Sri Ramachandra Faculty of Physiotherapy Sri Ramachandra Institute of Research and Higher Education 
Address  No 1, Sri Ramachandra Nagar Sri Ramachandra Institute of Higher Education and Research Porur, Chennai 600116 
Type of Sponsor  Research institution and hospital 
 
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 Soundararajan K  Sri Ramachandra Faculty of Physiotherapy  No 1, Sri Ramachandra Nagar Sri Ramachandra Institute of Higher Education and Research Ground floor , Division 1, Room no 1 Porur Chennai 600116
Chennai
TAMIL NADU 
9551163416

soundararajan.k@sriramachandra.edu.in 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional ethics committee Sri Ramachandra Institute of Higher education and Research   Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Healthy Human Volunteers  Healthy Individuals  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  General warmup Hamstring stretch Quad stretch   The control group will be given general warmup exercises including hamstring stretches , quad stretches and continue normal foot ball practice . Hamstring stretch will involve the use of lying toe touch whereas the quad stretch will be done by extending the knee in standing position  
Intervention  Nordic curl program   The intervention group is made to kneel on the ground with the knee at 90 degrees flexion and then made to curl to the ground and come back with the therpist supporting the knees on the ground . The curls will be given twice a week for 3 weeks with 3 sets of 6 repetitions each.  
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  25.00 Year(s)
Gender  Both 
Details  Age greater than 18 and less than 25years, Including both men and women
Minimum four days of football practice per week.

 
 
ExclusionCriteria 
Details  Athletes with no history of injury.
Athletes with prior experience of hamstring eccentric training 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant, Investigator, Outcome Assessor and Date-entry Operator Blinded 
Primary Outcome  
Outcome  TimePoints 
Linear 20 meter speed test

 
Baseline, end of 3 weeks
 
 
Secondary Outcome  
Outcome  TimePoints 
Hamstring Hand held dynamometer testing in prone lying at 45 degrees  Baseline, end of 3 weeks  
Sit and reach test to measure flexibility   Baseline, end of 3 weeks 
 
Target Sample Size   Total Sample Size="30"
Sample Size from India="30" 
Final Enrollment numbers achieved (Total)= "Applicable only for Completed/Terminated trials"
Final Enrollment numbers achieved (India)="Applicable only for Completed/Terminated trials" 
Phase of Trial   Phase 1 
Date of First Enrollment (India)   23/10/2025 
Date of Study Completion (India) Applicable only for Completed/Terminated trials 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Applicable only for Completed/Terminated trials 
Estimated Duration of Trial   Years="0"
Months="6"
Days="0" 
Recruitment Status of Trial (Global)   Not Applicable 
Recruitment Status of Trial (India)  Not Yet Recruiting 
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 experimental study aims to investigate the effects of a 3-week eccentric hamstring training program on sprint performance and hamstring strength in beginner-level football players. Hamstring injuries are common in football, often linked to inadequate eccentric strength and poor sprint mechanics. The study will recruit beginner football players and assign them to an eccentric training protocol focusing on exercises such as the Nordic Hamstring Curl. Pre- and post-intervention assessments will include sprint time (10–30m sprints) and hamstring strength (isokinetic or field-based strength tests). The expected outcome is that the short-term eccentric training will significantly enhance hamstring strength and improve sprint performance, thereby highlighting the role of eccentric training in early athletic development and injury prevention among novice football players.

 
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