aerobe fitness physical endurance Physical fitness
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: - healthy - aged 18-45 years - BMI between 18.5 and 25 kg/m2 - able to perform cycling
Exclusion criteria
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
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| VO2max (maximal oxygen uptake) | — |
Secondary
| Measure | Time frame |
|---|---|
| Body mass, body mass index (BMI) Fat-free mass (from underwater weighing) Blood lactate concentration (capillary blood sample) VCO2 Subject*s subjective preference for testing with facemask or in a respiration chamber | — |
Countries
Netherlands