THE CHANGES IN ANAEROBIC CAPACITY AND HORMONAL RESPONSES OVER THE TRAINING CYCLE IN MALE HANDBALL PLAYERS
Journal Title: Medycyna Sportowa - Year 2011, Vol 27, Issue 4
Abstract
[b]Background.[/b] The study aimed to assess the hormonal and metabolic responses to the repeated anaerobic bouts undergone by handball players twice during their training period. [b]Material and methods.[/b] This study included 14 male handball players (age 22.9±0.91 years) who were examined at two terms of the training period characterized by various levels of physical activity, I examination (January – very high activity), II one (March – very low activity). Subjects underwent cycle ergometry exercise tests. Each of these two exertions consisted of four repeated, consecutive and maximal 15-second bouts (4 x 15sec) separated by 1-minute resting intervals. Selected biomechanical variables were recorded during each bout. Plasma growth hormone (GH), testosterone (T), cortisol (C) and post-exertion blood lactate (LA) levels were determined in samples taken prior to the test, and at 3 and 30 min after it. [b]Results.[/b] During II term of the study the cadence of pedaling was higher, but peak power, particularly in 4th bout was lower, Entire work output involving the sum work attained in four bouts was significantly higher in the II test (41.1±5.16 vs 39.5±5.12 kJ). During II test the hormonal and metabolic pre-test status and post-exertion responses, i. e. lower LA, C, and GH, but higher T levels and higher T/C ratio indicated somewhat more beneficial state during relative rest period compared to the previous one of higher sporting activity. [b]Conclusions. [/b]Standardized, repeated anaerobic bouts with blood tests during exercise test are useful tools for estimation of physiological profile and anaerobic capacity relating to various physical activities.
Authors and Affiliations
Benedykt Opaszowski, Zbigniew Obmiński, Barbara Długołęcka, Ewa Jówko
Keywords
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