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CTRI Number  CTRI/2026/03/106232 [Registered on: 13/03/2026] Trial Registered Prospectively
Last Modified On: 12/03/2026
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   How Hip Muscles Strengthening Exercises help Improve Body Alignment in Students with Flatfeet 
Scientific Title of Study   Effect of Hip Muscles Strengthening on Kinematic Parameters Among University Students with Flexible Flatfeet: An RCT 
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 Yashika Badolia PT 
Designation  Postgraduate Student 
Affiliation  Pandit Deendayal Upadhyaya National Institute For Persons With Physical Disabilities (Divyangjan) 
Address  Room no. 21, physiotherapy department Pandit Deendayal Upadhyaya National Institute For Persons With Physical Disabilities (Divyangjan), 4-Vishnu Digamber Marg, New Delhi-110002

New Delhi
DELHI
110002
India 
Phone  7292018753  
Fax    
Email  yashikay103@gmail.com  
 
Details of Contact Person
Scientific Query  
Name  Dr Roshan Lal Meena PT 
Designation  Lecturer ( Physiotherapy) 
Affiliation  Pandit Deendayal Upadhyaya National Institute For Persons With Physical Disabilities (Divyangjan) 
Address  Room no. 21, physiotherapy department, Pandit Deendayal Upadhyaya National Institute For Persons With Physical Disabilities (Divyangjan), 4-Vishnu Digamber Marg, New Delhi-110002

New Delhi
DELHI
110002
India 
Phone  9811368079  
Fax    
Email  roshan7leo@yahoo.com  
 
Details of Contact Person
Public Query  
Name  Dr Yashika Badolia PT 
Designation  Postgraduate Student 
Affiliation  Pandit Deendayal Upadhyaya National Institute For Persons With Physical Disabilities (Divyangjan) 
Address  Room no. 21, physiotherapy department, Pandit Deendayal Upadhyaya National Institute For Persons With Physical Disabilities (Divyangjan), 4-Vishnu Digamber Marg, New Delhi-110002

New Delhi
DELHI
110002
India 
Phone  7292018753  
Fax    
Email  yashikay103@gmail.com  
 
Source of Monetary or Material Support  
Department of physiotherapy, Pandit Deendayal Upadhyaya National Institute for Persons with Physical Disabilities (Divyangjan) 
 
Primary Sponsor  
Name  Pandit Deendayal Upadhyaya National Institute for Persons with Physical Disabilities Divyangjan 
Address  Pandit Deendayal Upadhyaya National Institute for Persons with Physical Disabilities (Divyangjan), 4 Vishnu Digamber Marg, New Delhi 110002 
Type of Sponsor  Other [Rehabilitation and Academic Institute] 
 
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 Yashika Badolia PT  Pandit Deendayal Upadhyaya National Institute for Persons with Physical Disabilities (Divyangjan)  Room no. 21 department of physiotherapy Pandit Deendayal Upadhyaya National Institute For Persons With Physical Dis (Divyangjan) abilities, 4-Vishnu Digamber Marg, New Delhi-110002
New Delhi
DELHI 		 7292018753

yashikay103@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee Pandit Deendayal Upadhyaya National Institute For Persons With Physical Disabilities (Divyangjan)  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Healthy Human Volunteers  University students with flexible flatfeet 
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Hip Muscles Strengthening Exercises with Intrinsic Muscles Strengthening Exercises  Hip muscles strengthening program focusing on the hip flexors, hip extensors and hip external rotators will be given along with intrinsic muscles strengthening exercises (towel curl and short foot exercise) for 5 days in a week for 4 weeks.  
Comparator Agent  Intrinsic Muscles Strengthening Exercises  Intrinsic muscles strengthening exercises including towel curls and short foot exercises will be given for 5 days in a week for 4 weeks.  
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  25.00 Year(s)
Gender  Both 
Details  University students with asymptomatic bilateral flexible flatfeet (navicular drop more than 10 Nm) not associated with other deformities of the foot (hallux valgus, claw toes, etc.).
Age: 18-25
Gender, both females and males
Intact windlass mechanism
BMI 18-26
Currently not receiving any other type of therapeutic intervention
 
 
ExclusionCriteria 
Details  Injuries related to lower limb or back in last 6 months (Fracture)
Congenital deformities of lower limb
Neurological disorders
History of lower limb surgery.
Leg length discrepancy

 
 
Method of Generating Random Sequence   Coin toss, Lottery, toss of dice, shuffling cards etc 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
Navicular drop test
Hip muscles strength measurement
Q angle measurement
pelvic tilt measurement
single leg stance test
Lower quadrant Y Balance test
Plantar pressure distribution 		 2 time points measured at baseline(before intervention) and after 4 weeks of intervention 
 
Secondary Outcome  
Outcome  TimePoints 
NIL   NIL 
 
Target Sample Size   Total Sample Size="54"
Sample Size from India="54" 
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)   23/03/2026 
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 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  
Flexible flatfeet can cause the foot arch to collapse, leading to changes in lower limb biomechanics, increased Q-angle, anterior pelvic tilt, poor balance and uneven plantar pressure distribution. This randomized controlled trial aims to evaluate if strengthening the hip muscles—specifically the abductors, extensors, and external rotators—improves these factors in university students with flexible flatfeet.
The study includes participants aged 18 to 25 years with bilateral asymptomatic flexible flatfeet. They will be randomly assigned to either an experimental group or a control group. The experimental group will perform a structured hip strengthening program combined with intrinsic foot muscle exercises. The control group will perform intrinsic foot muscle exercises only.
Assessments will be conducted before and after the intervention. Measurements include navicular drop, Q-angle, and pelvic tilt  Balance will be assessed using the single limb stance and lower quadrant Y balance test, alongside plantar pressure distribution analysis. The findings will help determine if hip strengthening is an effective targeted rehabilitation strategy for improving lower limb alingment and balance and plantar pressure distribution in individuals with flexible flatfeet.
 
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