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Warm-up of the Inspiratory Musculature and Its Impact in Swimming Performance

NCT07595328 · Status: NOT_YET_RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 52

Last updated 2026-05-19

No results posted yet for this study

Summary

Objective To evaluate the acute effect of four inspiratory warm-up intensities (15%, 40%, 60%, and 80% of maximal inspiratory pressure \[MIP\]) on 100 m freestyle performance, and to analyze their impact on heart rate, blood lactate concentration, perceived exertion, and dyspnea in trained swimmers.

Methods A randomized, crossover, double-blind experimental study was conducted. Participants were swimmers aged ≥18 years, with no respiratory or musculoskeletal pathology.

Each participant completed, in sessions separated by at least three days, an inspiratory muscle warm-up consisting of 30 breaths against resistive loads set at 15%, 40%, 60%, and 80% of their MIP, previously determined using standardized procedures.

Following each intervention, participants performed a maximal 100 m freestyle test. The following variables were recorded:

Swimming time Heart rate (during and post-exercise) Post-exercise capillary blood lactate concentration Rating of perceived exertion (Borg scale) Dyspnea (Dyspnea-12)

Conclusions This study will help identify the optimal inspiratory warm-up intensity to enhance swimming performance.

Conditions

  • Swimming
  • IMT

Interventions

DEVICE

POWERbreath

It is a crossover study in which the different exercise intensities are investigated.

Sponsors & Collaborators

  • Universidad Rey Juan Carlos

    lead OTHER

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Model
CROSSOVER

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2026-09-30
Primary Completion
2027-01-31
Completion
2027-01-31

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07595328 on ClinicalTrials.gov