The main objective of the study is to study the changes in FEV1 with the introduction of the specific inspiratory muscle training programme in the training programme of the popular athletes included. In addition, the secondary aims are to observe the differences in the respiratory capacities of the patients, in the vital signs, VO2 max, respiratory frequency and cardiac variability, as well as to assess the running performance of the participants. Participants will be assigned to one of 2 study groups: IMT group (n=20) or not-IMT group (n=20) The IMT group will perform inspiratory muscle training in conjunction with the conventional marathon training plan. The not-IMT group will follow only the conventional marathon training plan. The study will be conducted over a 12 week period.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
38
The training programme will consist of 5 weekly sessions of aerobic work, strength and mobility, plus specific training of the inspiratory muscles, 3 times a week, at a load between 50 and 80% of the maximum inspiratory pressure of each participant, after re-education of their diaphragmatic ventilation.
The training programme will consist of 5 weekly sessions of aerobic work, strength and mobility.
Valencia
Valencia, Spain
Expiratory forced volume in first second
FEV1, in liters/second, assessed by spirometry
Time frame: Before starting the intervention and after its completion (12 weeks)
Hearth rate variability
In miliseconds, assessed by hearth rate monitor
Time frame: From the beginning to the end of the programme, recorded on a daily basis.
Hearth rate
Maximal and specifically in rest, measured in beats per minute, assessed by heart rate monitor
Time frame: From the beginning to the end of the programme, recorded on a daily basis.
Respiratory rate
Measured in respirations per minute, estimated by the hearth rate monitor.
Time frame: From the beginning to the end of the programme, recorded on a daily basis.
Running performance
Measured by running pace (time per kilometre) and perceived exertion (modified Borg scale 0-10), recorded individually in a written register.
Time frame: From the beginning to the end of the programme, recorded on a daily basis.
Maximal inspiratory pressure
MIP, in cmH2O, assessed by inspiratory manouever
Time frame: Before starting the intervention and after its completion (12 weeks)
Maximal consumption of oxygen
VO2 max, in ml/kg/min, estimated by heart rate monitor in training efforts.
Time frame: Before starting the intervention and after its completion (12 weeks)
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