Isometric and Isotonic Hand Strengthening in Competitive Female Badminton Athletes

NCT07438522 | Recruiting

• 1 other identifier: Ghanwa Iqbal REC/25/0415
• Study Type: interventional
• Target: 32
• Locations: 1 country
• Sites: 1

Brief Summary

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.

Conditions

Athletic Performance and Injury Risk

Keywords

Isometric Hand Strengthening; Isotonic Hand Strengthening; Grip Strength; Hand Dexterity; Badminton Athletes

Outcome Measures

Primary Outcomes (3)

• Hand Dexterity

  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

  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

  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

Study Arms (2)

Isometric Hand Strengthening Group

EXPERIMENTAL

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

Isotonic Hand Strengthening Group

ACTIVE COMPARATOR

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

Interventions

Isometric hand strengthening program OTHER

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

Isometric Hand Strengthening Group

Isotonic hand strengthening program OTHER

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

Isotonic Hand Strengthening Group

Eligibility Criteria

• Age: 18 Years - 30 Years
• Sex: female
• Healthy Volunteers: Yes
• Age Groups: Adult (18-64)

You may qualify if:

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

You may not qualify if:

• 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

Sponsors & Collaborators

• Riphah International University: lead

Study Sites (1)

Punjab Sports Board

Lahore, Punjab Province, 547000, Pakistan

RECRUITING

Related Publications (6)

• Hidayat Y, Yudiana Y, Hambali B, Sultoni K, Ustun UD, Singnoy C. The effect of the combined self-talk and mental imagery program on the badminton motor skills and self-confidence of youth beginner student-athletes. BMC Psychol. 2023 Feb 3;11(1):35. doi: 10.1186/s40359-023-01073-x.

  PMID: 36737818 BACKGROUND

• Karaoglu B, Ceviz E, Unver S, Ciftci I, Demir GT, Guvendi B, Bulgay C, Alpay M, Ihasz F, Zoltan A, Kovacsik R, Somogyi A, Szabo A. Association between hand grip strength and exercise addiction: differences by sport category and sex among elite athletes. Front Psychol. 2025 Jul 21;16:1597239. doi: 10.3389/fpsyg.2025.1597239. eCollection 2025.

  PMID: 40761462 BACKGROUND

• Ma S, Soh KG, Japar SB, Liu C, Luo S, Mai Y, Wang X, Zhai M. Effect of core strength training on the badminton player's performance: A systematic review & meta-analysis. PLoS One. 2024 Jun 12;19(6):e0305116. doi: 10.1371/journal.pone.0305116. eCollection 2024.

  PMID: 38865415 BACKGROUND

• Liu Y, Abdullah BB, Abu Saad HB. Effects of high-intensity interval training on strength, speed, and endurance performance among racket sports players: A systematic review. PLoS One. 2024 Jan 5;19(1):e0295362. doi: 10.1371/journal.pone.0295362. eCollection 2024.

  PMID: 38180964 BACKGROUND

• Ma S. Investigating the increase in the specialized performance of athletes using artificial neural network (ANN) exercises. Sci Rep. 2025 Mar 12;15(1):8600. doi: 10.1038/s41598-025-86522-w.

  PMID: 40075111 BACKGROUND

• Zhao W, Wang C, Bi Y, Chen L. Effect of Integrative Neuromuscular Training for Injury Prevention and Sports Performance of Female Badminton Players. Biomed Res Int. 2021 Apr 23;2021:5555853. doi: 10.1155/2021/5555853. eCollection 2021.

  PMID: 33987438 BACKGROUND

Study Officials

• Danish Hassan, PhD

  Riphah International University

  PRINCIPAL INVESTIGATOR

Central Study Contacts

Danish Hassan, PhD

CONTACT

+92 345 7946009; danish.hassan009@gmail.com

Study Design

• Study Type: interventional
• Phase: not applicable
• Allocation: RANDOMIZED
• Masking: DOUBLE
• Who Masked: PARTICIPANT, OUTCOMES ASSESSOR
• Purpose: TREATMENT
• Intervention Model: PARALLEL
• Sponsor Type: OTHER
• Responsible Party: SPONSOR

Study Record Dates

• First Submitted: February 23, 2026
• First Posted: February 27, 2026
• Study Start: December 1, 2025
• Primary Completion: August 1, 2026
• Study Completion (Estimated): September 1, 2026
• Last Updated: February 27, 2026

Record last verified: 2026-02

Data Sharing

• IPD Sharing: Will not share

Locations

PA (1)