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Clinical Trials in Taiwan / NCT07446283
Recruiting Observational

Motion and EMG Analysis of the Forehand Topspin, Forehand Stroke, and Forehand Attack in Elite Table Tennis Players

NCT07446283 · tracked via the Priya Life Science Taiwan tracker
Sponsor
National Yang Ming Chiao Tung University
Phase
Observational
Started
2026-01-02
Last updated
2026-04-03

Condition(s) studied

Elite Table Tennis Players

Investigational drug(s) / intervention(s)

motion capture system, surface electromyography

motion capture system, surface electromyography: forehand topspin against topspin, forehand topspin against backspin, forehand stroke, and forehand attack

Study summary

This research will analyze and compare the muscle activation levels, muscle recruitment timing, trunk kinematics, and shoulder joint kinematics between the four forehand strokes and between elite table tennis players with and without shoulder injuries, providing insights for daily training and rehabilitation programs to reduce the occurrence of sports injuries.

Eligibility

Sex
ALL
Min age
13 Years
Max age
40 Years
Healthy volunteers
Accepted
Inclusion Criteria: * The ages range from 13 to 40 years old * Competed in the Chinese Taipei Table Tennis Ranking Tournament or the National Table Tennis Championships within the past three years * At least four years of table tennis experience, and train for more than 10 hours per week Exclusion Criteria: * History of upper limb surgery or fracture * History of shoulder dislocation * History of spine injury in the last year * Systemic autoimmune disease or cancer * Pregnancy * Any neurological complications

Primary outcome measure(s)

  • Trunk muscles activation during forehand topspin against topspin, forehand topspin against backspin, forehand stroke, and forehand attack — Immediately during the experiment
    The root mean square of electromyography (EMG) data of bilateral erector spinae and bilateral abdominal external oblique will be normalized by the maximum voluntary contraction amplitude (percentage of maximal voluntary contraction, %)
  • Trunk kinematics during forehand topspin against topspin, forehand topspin against backspin, forehand stroke, and forehand attack — Immediately during the experiment
    Trunk kinematics, including flexion, extension, lateral flexion and rotation, were measured in degrees (°) across four conditions: forehand topspin against topspin, forehand topspin against backspin, forehand stroke, and forehand attack.
  • Upper limbs muscles activation during forehand topspin against topspin, forehand topspin against backspin, forehand stroke, and forehand attack — Immediately during the experiment
    The root mean square of electromyography (EMG) data of the biceps brachii, triceps brachii, anterior deltoid, and pectoralis Major will be normalized by the maximum voluntary contraction amplitude (percentage of maximal voluntary contraction, %) and calculated over forehand topspin against topspin, forehand topspin against backspin, forehand stroke, and forehand attack.

Trial sites (1)

FacilityCityRegionStatus
National Yang Ming Chiao Tung University Taipei Taiwan Recruiting

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Official registry record

This page summarises publicly available registry data for informational purposes — not medical advice. Eligibility is determined by each study team; patients should discuss participation with their clinician.

View NCT07446283 on ClinicalTrials.gov ↗ ← All trials in Taiwan