A novel method to assess VO2max in a respiration chamber

Completed

Conditions: aerobe fitness
physical endurance
Physical fitness

Registration Number: NL-OMON43499

Lead Sponsor: niversiteit Maastricht

Brief Summary: Not available

Detailed Description: Not available

Recruitment & Eligibility

Status: Completed

Sex: Not specified

Target Recruitment: 32

Inclusion Criteria

- healthy
- aged 18-45 years
- BMI between 18.5 and 25 kg/m2
- able to perform cycling

Exclusion Criteria

- subjects suffering from pulmonary or cardiovascular disease as indicated by their medical screening questionnaire
- subjects suffering from a musculo-skeletal problem preventing them to perform a bicycle maximal exertion test
- subjects currently participating in an exercise training program that will likely result in an increase in VO2max over the course of their participation in the study
- subjects currently participating in an energy restricted diet resulting in weight loss over the course of their participation in the study
- current smokers or subjects that quit smoking in the past 6 months
- systolic blood pressure >=140 and/or diastolic blood pressure >=90 mmHg
- family history: myocardial infarction or coronary revascularisation or sudden death before the age of 55y in father or other first-degree relative or before the age of 65y in mother or other female first-degree relative

Study & Design

Study Type: Observational non invasive

Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
<p>VO2max (maximal oxygen uptake)</p><br>

Secondary Outcome Measures

Name	Time	Method
<p>Body mass, body mass index (BMI)<br /><br>Fat-free mass (from underwater weighing)<br /><br>Blood lactate concentration (capillary blood sample)<br /><br>VCO2<br /><br>Subject*s subjective preference for testing with facemask or in a respiration<br /><br>chamber</p><br>