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Acute Effects of Functional Inspiratory Muscle Training in Elite Male Volleyball Players

RecruitingNAAges 18 Years - 25 YearsMaleGazi University
NCT07763002 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

This randomized controlled trial evaluates the acute effects of a single session of functional inspiratory muscle training on muscle oxygenation, exercise capacity, dynamic balance, and agility in elite male volleyball players aged 18 to 25 years. Thirty participants will be randomly assigned in a 1:1 ratio to an intervention group or a no-intervention control group. The intervention group will perform 60 resisted breaths at 50% of maximal inspiratory pressure using a POWERbreathe device during a sport-specific fixed-ball throwing drill. Both groups will complete assessments before and immediately after the intervention period on the same day. Quadriceps muscle oxygen saturation and total hemoglobin will be measured using a Moxy near-infrared spectroscopy monitor during the Incremental Shuttle Walk Test. Exercise capacity, dynamic balance, and agility will be assessed using the Increment

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📋 Eligibility rules (as published)
Inclusion Criteria: * Male, aged 18 to 25 years * Regular participation in volleyball training * University student actively playing on an elite-level volleyball team * Regular training during the previous 3 months * Willing and able to provide written informed consent Exclusion Criteria: * Current smoking or regular alcohol use * Regular use of medication or vitamin supplements * History of upper respiratory tract infection or COVID-19 within the previous 3 months * Lower-extremity or shoulder surgery within the previous 6 months * An acute respiratory or musculoskeletal condition that prevents safe completion of the protocol * Inability to complete the assessment or training procedures
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What it tests

  • Functional Inspiratory Muscle Training With POWERbreathe
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Where

1 site
Gazi University Faculty of Health Sciences Department of Cardiopulmonary Physiotherapy and Rehabilitation, Ankara, Çankaya 06490
Ankara, Turkey (Türkiye)
🤝 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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