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Cardiovascular changes during the performance by nonathletes of Bosco repeated jumps anaerobic test
Jonas Poderys1, Albinas Grūnovas1, Kristina Poderienė1
1Lithuanian Sports University, Kaunas, Lithuania.
Objective:
The aim of this study was to find out the characteristics of cardiovascular changes when performing Bosco repeated jumps anaerobic test depending on the duration of jumping in a nonathletes cohort.
Materials And Methods:
Changes in arterial blood pressure indices and changes in 12-lead ECG indices were analyzed. The characteristics of recovery after workloads were assessed by evaluating the time of half period of recovery of registered indices and by the Lyapunov exponent.
Results:
The results have shown that the ratio of JT and RR intervals of ECG (JT/RR) can be useful for outlining to what extent a cardiovascular function was mobilized. The mobilization of cardiovascular function when performing a 30-s jump test changed up to 0.454±0.012 and when performing a Bosco test, up to the maximal values, i.e. 0.634±0.004. When performing jumps of maximal intensity, a maximal change of JT/RR occurrence was between 50 and 60s. The increasingly serious myocardial ischemic episodes were observed at the onset of the jumping task. The duration of 60-s of all-out jump test has made an influence on the stability of the recovery processes of cardiovascular indices, i.e. the nonexponential type of recovery was observed.
Conclusions:
When performing Bosco 60-s repeated jumps in an anaerobic test, a maximal mobilization of the cardiovascular system occurs between 50 and 60s. The 30-s all-out test duration in jumping is enough to outline at what extent cardiovascular function was mobilized as well as to assess other functional characteristics during high intensity intensive exercising.
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