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Effects of Diaphragmatic Breathing Retraining in Combat Sport Athletes With Dysfunctional Breathing Patterns

RecruitingNAAges 18 Years - 50 YearsAllNational Cheng Kung University
NCT07717801 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

Combat sport athletes often need to maintain a guarded posture, stabilize the trunk, react quickly, and control balance during contact or unexpected movement. These demands may be related not only to strength and conditioning, but also to the coordination between breathing and postural control. The diaphragm is the main muscle for breathing and also contributes to trunk stability through its role in pressure regulation and deep core control. However, dysfunctional breathing patterns, such as upper-chest dominant breathing, reduced lower rib expansion, or poor coordination between the chest and abdomen, may interfere with this function. The purpose of this study is to examine dysfunctional breathing patterns in combat sport athletes and to investigate whether diaphragmatic breathing retraining can improve breathing patterns, diaphragm function, core stability, postural control, and sport

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📋 Eligibility rules (as published)
Inclusion Criteria: * Aged between 18 and 50 years. * Currently participating regularly in combat sports, such as taekwondo, boxing, judo, karate, jiu-jitsu, or similar sports, with at least 2 years of training experience. * Training at least 3 times per week. Exclusion Criteria: * Current or major musculoskeletal injury within the past year that may affect testing or training performance. * History of major thoracic, abdominal, or spinal surgery. * Known cardiopulmonary diseases, such as asthma, chronic obstructive pulmonary disease, or heart disease; neurological disorders; vestibular dysfunction; or other conditions that may affect balance. * Current or recent pregnancy. * Previous participation in breathing training or respiratory therapy, or current use of medications that may affect respiratory or neuromuscular function. * Inability to complete ultrasound assessment, motion analysis, or exercise testing. * Having a subordinate relationship or conflict of interest with the principal investigator or co-investigators, such as being a supervised student, research assistant, employee, or other related personnel.
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What it tests

  • Diaphragmatic breathing training exercise
  • Usual training
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Where

1 site
Department of Physical Therapy, National Cheng Kung University,
Tainan, Taiwan
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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