The POWERbreathe™ Plus: an Inspiratory Muscle Training device (IMT) with adjustable resistance. Intervention lasts 4 weeks, with a frequency of 6 days/week, 2 series of 30 inspirations in the morning and evening. Resistance based on 60% of the Pressure Maximal Inspiratory (PMI). Progressive increase in resistance every week. Four laboratory visits: 2 pre-tests and 2 post-tests. Each pre- / post- test will go under normoxic and hypoxic conditions. Measurements include Pulmonary functions (spirometry test); blood microcirculation (vascular occlusion test); gas exchanges (e.g. VO2max), cardiac parameters, heart rate variability, maximal aerobic power (incremental and time limit test)
The POWERbreathe™ Plus: an Inspiratory Muscle Training device (IMT) with adjustable resistance. Intervention lasts 4 weeks, with a frequency of 6 days/week, 2 series of 30 inspirations in the morning and evening. Resistance based on 60% of the Pressure Maximal Inspiratory (PMI). Progressive increase in resistance every week. Four laboratory visits: 2 pre-tests and 2 post-tests. Each pre- / post- test will go under normoxic and hypoxic conditions. Measurements include Pulmonary functions (spirometry test); blood microcirculation (vascular occlusion test); gas exchanges (e.g. VO2max), cardiac parameters, heart rate variability, maximal aerobic power (incremental and time limit test)
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
48
The POWERbreathe™ Plus: an Inspiratory Muscle Training device (IMT) with adjustable resistance. Intervention lasts 4 weeks, with a frequency of 6 days/week, 2 series of 30 inspirations in the morning and evening. Resistance based on 60% of the Pressure Maximal Inspiratory (PMI). Progressive increase in resistance every week.
No IMT performed
sex-differences
Primary objective: To assess the change of a time limit duration in ergocycle after 4 weeks of inspiratory muscle training (IMT) between males and females.
Time frame: One week prior and in the week immediately following the intervention
Effect in hypoxia
Secondary objective: To assess the change of a time limit duration in ergocycle after 4 weeks of inspiratory muscle training (IMT) between hypoxia and normoxia.
Time frame: One week prior and in the week immediately following the intervention
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