<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><italic>Study aim:</italic> To assess the effects of 8-week endurance training in swimming on work capacity of boys aged 12 years.<italic>Material and methods:</italic> The following groups of schoolboys aged 12 years were studied: untrained control (UC; n = 14) and those training swimming for two years. The latter ones were subjected to 8-week training in classical style (CS; n = 10) or free style (FS; n = 13). In all boys maximal oxygen uptake (O2max) was determined, and the CS and FS groups were subjected to 6 tests: swimming at 50 and 400 m distances (time recorded) and to 12-min swimming (distance recorded), all by free and classical styles pre- and post-training. From swimming times at 50 and 400 m distances the so-called critical swimming speed (CSS) was computed: CSS = (400 - 50) / (t400 - t50).<italic>Results:</italic> No training-induced improvement in O2max was noted in any group. Yet, boys subjected to classical style training significantly (p&lt;0.05) improved their free-style swimming velocity at CSS and at the 400-m distance by about 6%, and their heart rate following the 12-min test in classical style decreased by nearly 16% (p&lt;0.001) compared with the pre-training values.<italic>Conclusions:</italic> The 8-week training in given swimming style does not negatively affect the performance in other style than the trained one. This may be of importance in competitive training.</abstract>

Study aim: To assess the effects of 8-week endurance training in swimming on work capacity of boys aged 12 years.Material and methods: The following groups of schoolboys aged 12 years were studied: untrained control (UC; n = 14) and those training swimming for two years. The latter ones were subjected to 8-week training in classical style (CS; n = 10) or free style (FS; n = 13). In all boys maximal oxygen uptake (O2max) was determined, and the CS and FS groups were subjected to 6 tests: swimming at 50 and 400 m distances (time recorded) and to 12-min swimming (distance recorded), all by free and classical styles pre- and post-training. From swimming times at 50 and 400 m distances the so-called critical swimming speed (CSS) was computed: CSS = (400 - 50) / (t400 - t50).Results: No training-induced improvement in O2max was noted in any group. Yet, boys subjected to classical style training significantly (p<0.05) improved their free-style swimming velocity at CSS and at the 400-m distance by about 6%, and their heart rate following the 12-min test in classical style decreased by nearly 16% (p<0.001) compared with the pre-training values.Conclusions: The 8-week training in given swimming style does not negatively affect the performance in other style than the trained one. This may be of importance in competitive training.

Effects of 8-week training on aerobic capacity and swimming performance of boys aged 12 years

Institute of Physical Culture and Tourism, Jan Długosz University, Częstochowa

Primary School No. 48, Częstochowa, Poland

Biomedical Human Kinetics

Study aim: To assess the effects of 8-week endurance training in swimming on work capacity of boys aged 12 years.Material and methods: The following groups of...

Effects of 8-week training on aerobic capacity and swimming performance of boys aged 12 years

Publié en ligne: 16 juin 2011

Pages: 49 - 52

DOI: https://doi.org/10.2478/v10101-011-0012-7

Mots clés
Swimming, Critical velocity, Physical training, Work capacity, Boys

This content is open access.

Effects of 8-week training on aerobic capacity and swimming performance of boys aged 12 years

Publié en ligne: 16 juin 2011

Pages: 49 - 52

DOI: https://doi.org/10.2478/v10101-011-0012-7

Mots clésSwimming, Critical velocity, Physical training, Work capacity, Boys

This content is open access.

Mots clés
Swimming, Critical velocity, Physical training, Work capacity, Boys