Physical exercises aerobic prescription: TIIA, a practical tool
Abstract
The first ventilatory threshold (LV1) and the second ventilatory threshold (LV2), which can be derived from the Ventilometrcs, have been proposed as markers of ability and as a reference for prescription of resistance training in aerobic exercises. The purpose of this study was to compare the values of the loads of work on the intensities of these thresholds found in Ventilometrics with the TIIA of individuals belonging to panels of three academies of the great Natal. Methods: 20 subjects with 11 females and 9 males. These individuals were subjected to a test of maximum effort in order to determine the Ventilometrics FCmax, the LV1, and LV2. And the sub in the Test Identification of intensities Aerobics (TIIA) to determine Intensidade1 (I1) and Intensidade2 (I2). In ventilometrics the LV1 was established by the software and LV2 was identified in the intensity of physical effort in which the VE predecessor progressive increases in the second exponential curve. The value of FCmax was considered the largest obtained in the test. TIIA in the I1 and I2 have been identified by stabilizing the FC train (equation of Karvonen) respectively in the upper and lower limit. The LV1 and I1, I2 and the LV2 were correlated in a chart depending on the workload. Results: There were no significant differences in the means of loads of work: the LV1 (average 5.4 km / h) and I1 (average 6.2 km / h), and the LV2 (average 7.3 km / h) and I2 (average 7.4 km / h) among the tested. It was concluded that more studies are needed to ensure that the TIIA is validated, because a larger sample would this validation.
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