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Functional asymmetry of the lower limbs in young soccer players

100%

Antosiak-Cyrak K., Podciechowska K., Jajor J., Rostkowska E.

Trends in Sport Sciences

2015

tom 22

nr 4

Introduction. The authors attempt to examine whether functional differences between the legs in soccer players are similar in different motor tests, and whether possible weaker laterality in soccer players could be the effect of the higher fitness level of their left legs, or the lower fitness level of their right legs. Aim of Study. The aim of the study was to determine the scope of differences between the results of motor coordination tests performed with the right leg and the left leg by boys playing soccer and non-training controls. Materials and Methods. 52 soccer training boys and 25 non-training controls volunteered to participate in the experiment. Motor coordination tests of the left and the right legs were performed by participants in order to assess static balance, rate of movements, dynamic endurance, and kinesthetic differentiation. Results. The greatest differences between the training and non-training boys were found in dynamic endurance (left leg, p < 0.001; right leg, p < 0.01). Coaches’ high assessments of players were based on good results of the balance test of the left leg. The differences between the left and the right legs were smaller in the soccer players than in non-training boys, particularly when the results of the left legs were better. Conclusions. In both groups under study the functional asymmetry between the right and the left legs in the static balance and dynamic endurance tests exceeded 20%, which may contribute to possible sport injuries. The soccer players’ static balance test results indicate the presence of training-induced bilateral transfer of balance ability of the legs.

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Differences in physiological influences on heart rate recovery between trained and untrained adults

100%

Bunn J. A., Wells E. K., Avery M. L., Manor J. P.

Central European Journal of Sport Sciences and Medicine

2018

tom 22

nr 2

Influence of different types of surfaces on the results of running speed tests in young soccer players

80%

Jastrzebski Z., Bichowska M., Rompa P., Radziminski L., Dargiewicz R.

Central European Journal of Sport Sciences and Medicine

2014

tom 05

nr 1

The main purpose of this study was to determine the influence of different types of surfaces on the sprint test results. 33 male football players from two age categories – U15 and U18 – performed sprint tests (7 distances between 5 and 30 m) and a 150 m shuttle run test on three types of surfaces: natural grass [n], a synthetic surface [s] and a rubber surface [r]. The longer distance a player covers, the more likely it is that the importance of the type of running surface will be noticed. The rubber surface diminishes the negative effects of changeable factors on the reliability of the tests and therefore, in our opinion, is recommended for control tests and especially for longitudinal tests. Comparing the results of running speed tests performed on different surfaces and especially in different weather conditions is unjustified.

Ograniczanie wyników

2 Central European Journal of Sport Sciences and Medicine

1 Trends in Sport Sciences

1 Antosiak-Cyrak K.

1 Avery M. L.

1 Bichowska M.

1 Bunn J. A.

1 Dargiewicz R.

1 Jajor J.

1 Jastrzebski Z.

1 Manor J. P.

1 Podciechowska K.

1 Radziminski L.

1 Rompa P.

1 Rostkowska E.

1 Wells E. K.

1 2018

1 2015

1 2014

Wyniki wyszukiwania

Functional asymmetry of the lower limbs in young soccer players

Differences in physiological influences on heart rate recovery between trained and untrained adults

Influence of different types of surfaces on the results of running speed tests in young soccer players