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Universidad y Salud
Print version ISSN 0124-7107On-line version ISSN 2389-7066
Abstract
ESPINOZA-SALINAS, Alexis et al. Effect of inspiratory muscle training with threshold valve on functional capacity of physically active women who are older than 60 years of age. Univ. Salud [online]. 2019, vol.21, n.2, pp.119-126. ISSN 0124-7107. https://doi.org/10.22267/rus.192102.145.
Introduction:
Physiological changes associated with aging generate a series of functional modifications, mainly a decrease in respiratory capacity. In this regard, an alternative strategy to improve such a condition could be inspiratory muscle training (IMT).
Objective:
To analyze the effect of IMT with threshold valve on the functional capacity of physically active women who are older than 60 years of age.
Materials and methods:
IMT with threshold valve was carried out over a period of 4 weeks, comparing data from the experimental group (GE; n:10) to the control group (GC; n:5). The following hemodynamic and anthropometric variables were assessed: weight, height, body mass index (BMI), lactate, double product (DP) and functional capacity. Pre and post training changes were evaluated.
Results:
The GE group showed a decrease in both post-intervention lactate concentration (from 3.16±0.51 to 2.5±0.39) and effort perception scale (from 5.56 ± 1.81 to 4±2). On the other hand, this group experienced a post-intervention increase in maximal inspiratory pressure (MIP) from 42.11±14.57 to 60.44±14.47. The GC group did not present changes in its values.
Conclusion:
Although no evidence was found regarding favorable changes in the walked distance post-intervention, IMT induced a reduction in post-exercise lactate concentration, which could indicate a delay of onset of fatigue.
Keywords : Maximal inspiratory pressure; respiratory muscle training; lactate; respiratory function tests; elderly.