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CTRI Number  CTRI/2025/09/095129 [Registered on: 19/09/2025] Trial Registered Prospectively
Last Modified On: 18/09/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Physiotherapy (Not Including YOGA) 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   Does a special body-relaxing technique (PRRT) help make tight hamstrings looser and improve walking in young adults? A study with randomly chosen participants. 
Scientific Title of Study   Effectiveness of primal reflex release technique (PRRT) on hamstring length & gait variables in young adults: A Randomise Control Trial 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Charansharan kanojiya  
Designation  PG student  
Affiliation  Parul institute of physiotherapy  
Address  306, Physiotherapy Department, Parul Institute of Physiotherapy, Parul University, P.O.Limda, Tal.Waghodia, Dist.Vadodara - 391760, Gujarat state, India

Vadodara
GUJARAT
391760
India 
Phone  9879335316  
Fax    
Email  charankanojiya222@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Dwija Yagnik 
Designation  Assistant professor 
Affiliation  Parul institute of physiotherapy 
Address  306, Physiotherapy Department, Parul Institute of Physiotherapy, Parul University, P.O.Limda, Tal.Waghodia, Dist.Vadodara - 391760, Gujarat state, India

Vadodara
GUJARAT
391760
India 
Phone  9909021553  
Fax    
Email  dwija.yagnik74008@paruluniversity.ac.in  
 
Details of Contact Person
Public Query
 
Name  Charansharan kanojiya  
Designation  PG student  
Affiliation  Parul institute of physiotherapy  
Address  306, Physiotherapy Department, Parul Institute of Physiotherapy, Parul University, P.O.Limda, Tal.Waghodia, Dist.Vadodara - 391760, Gujarat state, India

Vadodara
GUJARAT
390001
India 
Phone  9879335316  
Fax    
Email  charankanojiya222@gmail.com  
 
Source of Monetary or Material Support  
Physiotherapy Department, Parul Institute of Physiotherapy, Parul University, P.O.Limda, Tal.Waghodia, Dist.Vadodara - 391760, Gujarat state, India 
 
Primary Sponsor  
Name  Parul Institute of Physiotherapy 
Address  Physiotherapy Department, Parul Institute of Physiotherapy, Parul University, P.O.Limda, Tal.Waghodia, Dist.Vadodara - 391760, Gujarat state, India 
Type of Sponsor  Private medical college 
 
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 
Charansharan kanojiya   Parul Institute Of Physiotherapy   306, Physiotherapy Department, Parul Institute of Physiotherapy, Parul University, P.O.Limda, Tal.Waghodia, Dist.Vadodara - 391760, Gujarat state, India
Vadodara
GUJARAT 
9879335316

charankanojiya222@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
PUIECHR  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Healthy Human Volunteers  HAMSTRINGS TIGHTNESS 
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Primal Reflex Release Technique  Primal Reflex Release Technique Is A Gentle Manual Therapy Approach Developed By John It Is Based On The Principle That Certain Protective Reflexes Of The Nervous System Known As Primal Reflexes May Remain In An Overactive State Following Pain Stress Or Trauma This Persistent Reflex Activity Can Contribute To Chronic Pain Muscle Tightness Restricted Mobility And Postural Dysfunction. The Technique Focuses On Calming These Exaggerated Reflexes Through Light Stimulation Positioning And Relaxation Maneuvers That Help Reset The Nervous System By Reducing Muscle Guarding And Restoring Normal Neuromuscular Balance Primal Reflex Release Technique. Assists In Relieving Pain And Promoting Smoother More Natural Movement Patterns. 6 weeks  
Comparator Agent  Stretching   The Goal Of All Stretching Programs Is To Optimize Joint Mobility While Maintaining Joint Stability Concern Should Always Be Focused On The Systematic Safe And Effective Application Of The Range Of Motion Techniques Utilized .Stretching Techniques Are Used In Clinical Practice To Increase Flexibility With Some Support For Their Use The Flexibility Of The Hamstring Muscles Is Important In The Prevention Of Injury Muscular And Postural Imbalance And Maintenance Of Full Range Of Joint Movement Optimal Musculoskeletal Function And Enhanced Performance In Day To Day Activities. It is given for 6 weeks  
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  30.00 Year(s)
Gender  Both 
Details  Young Adults aged 18 to 30 years
Presence Of Hamstring Tightness
No History Of Lower Limb Injury Neurological Conditions Recent Surgery 
 
ExclusionCriteria 
Details  Any Condition Affecting Gait Mechanics Or Mobility Limb Length Discrepancies Current Participation In Other Hamstring Flexibility Interventions 
 
Method of Generating Random Sequence   Coin toss, Lottery, toss of dice, shuffling cards etc 
Method of Concealment   An Open list of random numbers 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Passive Straight Leg Raise (PSLR) test and Sit-and-Reach Test  Base line and 4 weeks 
 
Secondary Outcome  
Outcome  TimePoints 
GaitON- Gait analyser motion analysid system - walking analysis
 
Base line and 4 Weeks 
 
Target Sample Size   Total Sample Size="80"
Sample Size from India="80" 
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   N/A 
Date of First Enrollment (India)   10/10/2025 
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="1"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)   Not Yet Recruiting 
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   High prevalence of hamstring tightness in Young adults, especially those leading sedentary lifestyles or engaged in repetitive athletic activities, frequently experience hamstring tightness, affecting their physical performance and quality of life. Tight hamstrings negatively affect gait variables such as stride length, cadence, and walking symmetry, impacting overall functional performance. Reducing hamstring tightness and improving gait can  prevent injuries, and improve the overall quality of life for young adults. Limited studies exist on the effectiveness of PRRT in improving hamstring flexibility and gait variables, particularly in young adults. While some preliminary studies have investigated PRRT’s effect on pain and flexibility, there is a critical gap in understanding its specific impact on lower extremity biomechanics and gait parameters. 
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