CTRI

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CTRI Number

CTRI/2026/02/103648 [Registered on: 11/02/2026] Trial Registered Prospectively

Last Modified On:

11/02/2026

Post Graduate Thesis

Yes

Type of Trial

Observational

Type of Study

Cross Sectional Study

Study Design

Other

Public Title of Study

Rectus Femoris muscle Activity and Center of Pressure Shift in Different Squatting Positions .

Scientific Title of Study

A Comparative Analysis of Rectus Femoris Activity and Center of Pressure Shift During Different Squatting Positions Among Recreational Athletes.

Trial Acronym

NIL

Secondary IDs if Any

Secondary ID	Identifier
NIL	NIL

Details of Principal Investigator or overall Trial Coordinator (multi-center study)

Name	Mansi Mehra
Designation	post graduate scholar.
Affiliation	Manav rachna international institute of research and studies.
Address	Room number QG7 Manav Rachna International Institute Of Research And Studies , Sector – 43, Delhi–Surajkund Road Faridabad , Haryana, India Faridabad HARYANA 121004 India
Phone	7834956869
Fax
Email	mehra.mansi360@gmail.com

Details of Contact Person
Scientific Query

Name	DR kshitija bansal
Designation	professor
Affiliation	Manav rachna international institute of research and studies.
Address	Qs11 room number QS Manav Rachna International room Institute Of Research And Studies , Sector – 43, Delhi–Surajkund Road Faridabad , Haryana, India Faridabad HARYANA 121004 India
Phone	9810314488
Fax
Email	kshitijabansal.sahs@mriu.edu.in

Details of Contact Person
Public Query

Name	DR kshitija bansal
Designation	professor
Affiliation	Manav rachna international institute of research and studies.
Address	Qs11 room number QS Manav Rachna International room Institute Of Research And Studies , Sector – 43, Delhi–Surajkund Road Faridabad , Haryana, India Faridabad HARYANA 121004 India
Phone	9810314488
Fax
Email	kshitijabansal.sahs@mriu.edu.in

Source of Monetary or Material Support

Manav Rachna International Institute Of Research And Studies .

Primary Sponsor

Name	Mansi mehra
Address	Manav Rachna International Institute Of Research And Studies ,Sector – 43, Delhi–Surajkund Road Faridabad , Haryana .
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 Mansi Mehra	Neurology department	QG-07,Q block , Neurology Department, Department of Physiotherapy , School of Allied Health Sciences , MRIIRS ,Faridabad , HARYANA Faridabad HARYANA	07834956869 mehra.mansi360@gmail.com

Details of Ethics Committee

No of Ethics Committees= 1
Name of Committee	Approval Status
Departmental ethical committee (DEC) decision	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
Intervention	Nil	Nil

Inclusion Criteria

Age From	18.00 Year(s)
Age To	25.00 Year(s)
Gender	Both
Details	Recreational athletes of Age 18–25 years (both males and females).BMI within the normal range (18.5–24.9)Able to perform squats without pain or discomfort. Willing to participate study.

ExclusionCriteria

Details

Current or recent history (within the past 6 months) of lower limb injury, surgery, or fracture.Any diagnosed neurological, cardiovascular, or musculoskeletal condition affecting squat performance or balance.Use of assistive devices for mobility.Severe foot deformities or abnormal gait that may affect COP readings.
Unable to follow instructions or hold squat positions.

Method of Generating Random Sequence

Not Applicable

Method of Concealment

Not Applicable

Blinding/Masking

Not Applicable

Primary Outcome

Outcome	TimePoints
Rectus femoris muscle activity measured with surface EMG, expressed as % of maximum voluntary isometric contraction (MVIC). This shows how muscle activation changes with squatting angle and shift of COP.	Baseline assessment .

Secondary Outcome

Outcome	TimePoints
NIL	NIL

Target Sample Size

Total Sample Size="34"
Sample Size from India="34"
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)

09/03/2026

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 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

Squatting is a common exercise used in sports training and rehabilitation to improve lower limb strength and stability. The rectus femoris muscle plays an important role in knee and hip movement, and changes in body weight distribution during squats may affect muscle activation and balance. However, limited studies have examined rectus femoris muscle activity together with center of pressure (COP) changes during different squat positions and angles.

This study aims to compare rectus femoris muscle activation and center of pressure shift during normal and forward-shifted squatting positions at three knee flexion angles (30°, 45°, and 90°) among recreational athletes aged 18–25 years. Surface electromyography (EMG) and a foot scanner will be used to record muscle activity and COP displacement simultaneously.

The findings of this study may help physiotherapists and sports professionals design more effective squat-based rehabilitation and training protocols by understanding how weight shift and squat depth influence muscle activation and balance.