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Enrolling by invitation NCT07549802

The Effect of Inspiratory Muscle Warm-up

No phase Interventional Volleyball Players

For patients and families

In plain language

An automatic summary of structured registry data. It is an orientation aid, not a substitute for the official protocol or a physician assessment.

What is being studied
The protocol lists: Inspiratory Muscle Warm-Up.
Who it may be relevant to
Registry conditions: Volleyball Players. Basic parameters: 13 years — 20 years · All.
What needs checking
Age, condition and sex are only basic indicators. Prior treatment, laboratory values and other mandatory requirements appear in the eligibility criteria below.
Where it takes place
Turkey (Türkiye)
Next step
Save the trial, show it to the treating physician, and confirm current recruitment with the study center. Costs, documents and travel →
Official title

The Effect of Inspiratory Muscle Warm-up Protocols on Volleyball Players

Overview

The purpose of this clinical study is to find out whether inspiratory muscle warm-up protocols are effective in volleyball athletes. The basic question it aims to answer is: Are inspiratory muscle warm-up protocols effective on performance in volleyball athletes? Researchers will compare different load intensities to determine the effect of optimal inspiratory muscle warm-up protocols. Participants will: Visit the research center at specific intervals for the application of protocols of different intensities. Participate in pre- and post-application evaluations.

Detailed description

This study aims to investigate the effects of inspiratory muscle warm-up (IMW) protocols performed at different load intensities on performance outcomes in volleyball athletes. Inspiratory muscle warm-up has been suggested to enhance respiratory muscle function, potentially improving exercise performance; however, the optimal load intensity for maximizing these effects in volleyball players remains unclear.

In this study, participants will be exposed to inspiratory muscle warm-up protocols at varying intensities to determine the most effective protocol. The protocols will be applied at different sessions with appropriate rest intervals between applications to minimize carryover effects.

Before and after each protocol application, participants will undergo a series of performance assessments. These evaluations are expected to include measures related to physical performance relevant to volleyball, such as functional capacity, respiratory parameters, and/or sport-specific performance outcomes.

The primary objective of this study is to compare the acute effects of different inspiratory muscle warm-up intensities on performance in volleyball athletes and to identify the optimal loading protocol. The findings of this study may contribute to the development of evidence-based warm-up strategies aimed at enhancing athletic performance in volleyball players.

Interventions

  • Other Inspiratory Muscle Warm-Up
    Participants will perform inspiratory muscle warm-up protocols using the inspiratory muscle training device. The protocols will be applied at different intensity levels, including low, moderate, and high loads, as well as a no-load (sham) condition. Each protocol will be performed in separate sessions, and the order of application will be randomized. During each session, participants will complete a standardized inspiratory breathing procedure under supervision to ensure proper technique and con

Primary outcome measures

  • Counter Movement Jump (CMJ) Tes [Time frame: Pre-intervention and immediately post-intervention at each session]
  • muscle oxygenation [Time frame: Pre-intervention and immediately post-intervention at each session]
Secondary outcome measures (1)
  • S-indeks [Time frame: Pre-intervention and immediately post-intervention at each session]

Eligibility criteria

Inclusion criteria

  • Ages 13-20
  • Having played volleyball for at least 2 years
  • Training at least 8-10 hours a week
  • Patients who provide verbal and written informed consent

Exclusion criteria

  • Having sustained an injury or undergone surgery in the upper or lower extremities
  • Having had a lung or upper respiratory tract infection two weeks prior to the study
  • Having a chronic respiratory condition

Criteria are shown verbatim from the registry (in English). Final eligibility is always assessed by the study center.

Healthy volunteers: Yes

Study design

Allocation
Randomized
Model
Crossover
Masking
Triple blind
Primary purpose
Treatment

Study locations

Turkey (Türkiye) · 1 center
  • Uskudar University Research Center — Istanbul

Publications

  • Barnes KR, Ludge AR. Inspiratory Muscle Warm-up Improves 3,200-m Running Performance in Distance Runners. J Strength Cond Res. 2021 Jun 1;35(6):1739-1747. doi: 10.1519/JSC.0000000000002974. PMID 30640308

Identifiers

NCT: NCT07549802 · FIMT2025

Primary sources (government registries)

View this study on ClinicalTrials.gov ↗