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MEDICINA DELLO SPORT
A Journal on Sports Medicine
Official Journal of the Italian Sports Medicine Federation
Indexed/Abstracted in: BIOSIS Previews, EMBASE, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 0,163
Medicina dello Sport 2014 September;67(3):411-22
language: English, Italian
Inspiratory muscles training in young basketball players: preliminary evaluation
Tranchita E., Minganti C., Musumeci L., Squeo M. R., Parisi A.
Department of Human Movement and Sport Sciences, Division of Health Sciences, University of Rome “Foro Italico”, Rome, Italy
AIM: The aim of the study was to evaluate the effects of a 4-week specific Inspiratory Muscle Training (IMT) on young athletes, who practiced basketball at a competitive level.
METHODS: Twenty-nine male basketball players (age: 21±2 years; body mass: 75.31±11.84 kg; stature: 181.28±9.55 cm; BMI: 22.79±1.90 kg∙m-2) attending the University of Rome “Foro Italico” (Rome, Italy) volunteered to participate in the study and were randomly divided in two groups: the intervention group (N.=15) and the control group (N.=14). The intervention group underwent a four week protocol consisting of an IMT carried out through a resistive breathing device (POWERbreath Kinetic Health K3, HaB International©) while athletes randomized to the control group did not underwent any respiratory training. All the athlete underwent several measurements pre- and post-intervention in order to evaluate their exercise capacity, lung function at rest and after a physical effort, their maximal inspiratory pressure (MIP) and other parameters estimated through a medical resistive instrument.
RESULTS: After 4 weeks no statistical differences were observed in subjects’ pre- and post-exercise capacity neither in lung function parameters with the except of a significative increase in peak inspiratory flow (30%) and in maximum voluntary ventilation (7%) in the intervention group. The MIP values significantly increase (30%) only in the intervention group as well as the breath test parameters (flow: 27%; volume: 17%; S-Index: 26%). No significant improvements in the perception of muscular fatigue neither in the perception of difficulty performing spirometry after exercise were found, while a significant decrease of the perception of respiratory fatigue (-31%) was registered in the intervention group. These results are further highlighted by the significant increase in the training session respiratory parameters of the intervention group (load: 29%; T-Index: 32%; volume 39%, power: 93%).
CONCLUSION: The present study shows that a 4 weeks IMT protocol bring to improvements in strength and in endurance of respiratory muscles acting on a reduction in respiratory muscle fatigue, delaying restriction metabolic reflex and so giving to skeletal muscles a greater energy availability.