op geen enkele aandoening Not applicable
Conditions
Interventions
In this study with high altitude simulation cyclists perform an incremental
exercise protocol 3 times (A, B, C). The only difference between the 3
protocols is the simulated altitude (sea level or 2
Sponsors
Hogeschool van Arnhem en Nijmegen
Eligibility
Age
18 Years to 99 Years
Inclusion criteria
Inclusion criteria: Male 18 years or older Semi professional cyclists Self reported healthy
Exclusion criteria
Exclusion criteria: Anaemie (Hb 5.8 mmol/L and/or glucosuria) Following a weight reduction programme or medically prescribed diet Weight change > 2 kg during the last 2 months Medication that may influence energy metabolism, weight or food intake Gastrointestinal disorders (blood in stool, constipation and/or diarrhoea) History of medical or surgical events that may affect study outcome Blood donation in the last month before the study or during the study Abnormal ECG or impaired lung function
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The primary study outcome of the study for measuring energy expenditure is oxygen consumption | — |
Secondary
| Measure | Time frame |
|---|---|
| The CO2-production of the subjects is also measured. In combination with the oxygen consumption the Respiratory Quotient (RQ=CO2/O2) can be determined. Changes in RQ are indicative for changes in substrate use and could indicate a shift from fat to carbohydrate utilization. | — |
Countries
Netherlands
Outcome results
None listed