Isometric and Isotonic Hand Strengthening in Competitive Female Badminton Athletes

February 23, 2026 updated by: Riphah International University

Effects of Targeted Isometric and Isotonic Hand Strengthening on Hand Function, Dexterity, Grip Strength and Grip Endurance in Competitive Female Badminton Athletes

This randomized clinical trial aims to determine the effects of targeted isometric and isotonic hand strengthening exercises on hand function, dexterity, grip strength and grip endurance in competitive female badminton athletes aged 18-30 years. Participants will be randomly allocated into two groups receiving either isometric or isotonic hand strengthening exercise programs performed three times per week for six weeks. Outcome measures will be assessed at baseline, 3rd week and 6th week using Michigan Hand Outcomes Questionnaire (MHQ), Purdue Pegboard Test or Nine-Hole Peg Test, Hand Dynamometer Test and Sustained Grip Test.

Study Overview

Status

Recruiting

Conditions

Intervention / Treatment

Detailed Description

This randomized clinical trial aims to determine the effects of targeted isometric and isotonic hand strengthening exercises on hand function, dexterity, grip strength and grip endurance in competitive female badminton athletes aged 18-30 years. Participants will be randomly allocated into two groups receiving either isometric or isotonic hand strengthening exercise programs performed three times per week for six weeks. Outcome measures will be assessed at baseline, 3rd week and 6th week using Michigan Hand Outcomes Questionnaire (MHQ), Purdue Pegboard Test or Nine-Hole Peg Test, Hand Dynamometer Test and Sustained Grip Test.

Study Type

Interventional

Enrollment (Estimated)

32

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Locations

  • Pakistan
    • Punjab Province
      • Lahore, Punjab Province, Pakistan, 547000
        • Recruiting
        • Punjab Sports Board
        • Contact:
        • Principal Investigator:
          • Ghanwa Iqbal, MSPT

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult

Accepts Healthy Volunteers

Yes

Description

Inclusion Criteria:

  • Female badminton athletes
  • Age between 18-30 years
  • Right-hand dominant
  • Minimum 2 years of competitive badminton experience

Exclusion Criteria:

  • History of upper limb injury in last 6 months
  • Cardiovascular or metabolic disorder limiting exercise
  • Medication affecting muscle performance
  • Current upper limb rehabilitation program participation

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Double

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Isometric Hand Strengthening Group

Participants in this group will receive a structured targeted isometric hand strengthening program performed three sessions per week for six weeks including:

Palm Press Hold Fingertip Pinch Hold Tip-to-Tip Finger Press Finger Abduction Hold Ball Grip Hold Each exercise will be performed in 3 sets with progressive hold durations ranging from 5 to 20 seconds across the intervention period.
Other: Isometric hand strengthening program
Participants in this group will receive a structured targeted isometric hand strengthening program performed three sessions per week for six weeks
Active Comparator: Isotonic Hand Strengthening Group

Participants in this group will receive a structured isotonic hand strengthening program performed three sessions per week for six weeks including:

Stress Ball Squeeze Rubber Band Finger Extension Putty Squeeze Towel Twist Finger Spread Exercises Exercises will be performed in 3 sets of 10-15 repetitions with progressive training duration ranging from 10 to 25 minutes per session.
Other: Isotonic hand strengthening program
Participants in this group will receive a structured isotonic hand strengthening program performed three sessions per week for six weeks

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Hand Dexterity
Time Frame: Baseline, Week 3, Week 6
Hand dexterity will be assessed using the Purdue Pegboard Test / Nine-Hole Peg Test to evaluate fine motor coordination and manual dexterity required for sport-specific hand movements.
Baseline, Week 3, Week 6
Grip Strength
Time Frame: Baseline, Week 3, Week 6
Grip strength will be measured using a calibrated hand dynamometer to assess maximal voluntary isometric contraction of the dominant hand.
Baseline, Week 3, Week 6
Grip Endurance
Time Frame: Baseline, Week 3, Week 6
Grip endurance will be assessed using the Sustained Grip Strength Test by measuring the duration for which participants can maintain 50% of their maximal voluntary contraction.
Baseline, Week 3, Week 6

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Riphah International University

Investigators

  • Principal Investigator: Danish Hassan, PhD, Riphah International University

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

December 1, 2025

Primary Completion (Estimated)

August 1, 2026

Study Completion (Estimated)

September 1, 2026

Study Registration Dates

First Submitted

February 23, 2026

First Submitted That Met QC Criteria

February 23, 2026

First Posted (Actual)

February 27, 2026

Study Record Updates

Last Update Posted (Actual)

February 27, 2026

Last Update Submitted That Met QC Criteria

February 23, 2026

Last Verified

February 1, 2026

More Information

Terms related to this study

Keywords

Other Study ID Numbers

  • Ghanwa Iqbal REC/25/0415

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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