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Revista chilena de enfermedades respiratorias

versión On-line ISSN 0717-7348

Resumen

ADAOS L, CARLA et al. Analysis of maximal inspiratory pressure according to three protocols in asymptomatic volunteer students at the Catholic University of Maule, Chile. Rev. chil. enferm. respir. [online]. 2017, vol.33, n.1, pp.21-30. ISSN 0717-7348.  http://dx.doi.org/10.4067/S0717-73482017000100004.

Maximum inspiratory pressure (MIP) has been used as an indicator of inspiratory muscle strength. Nevertheless their values show a high variability (~20%). The aim of this study was to determine the MIP, according to three protocols in young subjects. An observational cross-sectional study was carried out on a convenience sample of 60 students, 30 men (19.2 ± 0.81 years-old) and 30 women (19.17 ± 0.91 years-old). MIP was evaluated according to the protocol defined for each group of 20 participants of both genders: Group 1: American Thoracic Society/European Respiratory Society (ATS/ERS); Group 2: Learning; Group 3: Warming. For the analysis we used descriptive and inferential statistics, a p value < 0.05 was considered significant. No differences in MIP were found for the three best averages between groups (p = 0.078). When comparing the total performance of MIP replicates G3 was higher than G1 and G2 (p <0.0001). The coefficient of variation was higher in G2. It is concluded that the warming protocol (G3) could mitigate the effect of learning.

Palabras clave : Maximal Respiratory Pressures; Maximum Inspiratory Pressure; Muscle Strength; Students; Volunteers; Cross-sectional studies.

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