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The Relationship Between Maximal Oxygen Consumption and Inspiratory Muscle Activation Pattern Under Loaded Inspiratory Muscle Tests in Healthy Adults

NCT04463732 · Status: COMPLETED · Type: OBSERVATIONAL · Enrollment: 10

Last updated 2021-03-18

No results posted yet for this study

Summary

Maximal oxygen consumption, VO2max, is the gold standard to evaluate human aerobic fitness, which stands for the maximal capacity of cardiorespiratory system and musculoskeletal system to transport and utilize oxygen. Previous study showed that there is significant correlation between maximal oxygen consumption from cardiopulmonary exercise test and strength and endurance of lower extremities. In people with sedentary lifestyle, they often limited by the lower limb muscle performance during cardiopulmonary exercise test. Their breathing patterns are more irregular than athletes during cardiopulmonary exercise test. However, there is no study comparing the activation pattern of respiratory muscles between these two groups. Whether the breathing pattern in people with lower exercise capacity is less efficient under exertional activities still unknown. The purpose of this study is to investigate the relationship between maximal oxygen consumption and inspiratory muscle activation pattern in healthy adults.

Conditions

  • Healthy

Interventions

OTHER

Loaded inspiratory muscle test and cardiopulmonary exercise test

This is an observational study. Loaded inspiratory muscle test is setting at 30% of maximal inspiratory pressure. Subjects will perform only 15 breaths under this intensity to exam the performance of their inspiratory muscles. Loaded inspiratory muscle test is not for training. Cardiopulmonary exercise test is performed by using bicycle ergometer. These two tests will be performed at least 1 week separately.

Sponsors & Collaborators

  • National Taiwan University Hospital

    lead OTHER

Principal Investigators

  • Li-Ying Wang, PhD · National Taiwan University

Eligibility

Min Age
20 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2020-07-01
Primary Completion
2020-12-31
Completion
2020-12-31

Countries

  • Taiwan

Study Locations

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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 NCT04463732 on ClinicalTrials.gov