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Diagnostics of selected motor skills of Oyama Karate competitors preparing for the championships

100%

Zadarko E. , Mostek I. , Zadarko-Domaradzka M. , Barabasz Z. , Lenik J. , Przednówek K. H. , Huzarski M. , Nizioł-Babiarz E. , Szybisty A. , Przednówek K.

nr 1S

102-106

Aim. The aim of the study was to evaluate the changes in selected parameters of motor preparation of Oyama Karate athletes in training before championship competitions. The research involved ten male athletes at the Oyama Rzeszow Sports Club (aged 22.9 ± 12.3, training period 17.6 ± 8.5 years). Method. The anaerobic endurance (90-second test with a punching bag) and aerobic endurance (20 MSRT) and speed (circular kick, hip twist, two straight strikes) and jumping ability (squat jump-SJ and countermovement jump-CMJ) were tested. Results. The tests were carried out during the preparatory period and during the pre-competition period. Conclusion. The analysis shows that in all subsequent experimental studies an improvement or stabilisation of most of the analysed motor preparation parameters has been noted.

Laterality versus jumping performance in men and women

63%

Trzaskoma Z. , Ilnicka L. , Wiszomirska I. , Wit A. , Wychowański M.

tom Vol. 17, no. 1

103--110

Purpose: The aim of this study was to investigate relationships between functional asymmetry of lower limbs, taking into account morphological features of the feet, and jumping ability in men and women. Methods: The study population consisted of 56 subjects, 30 women (age: 20.29 ± 0.59 years; body mass: 58.13 ± 4.58 kg, body height: 165.60 ± 5.03 cm) and 26 men (age: 20.41 ± 0.78 years, body mass: 78.39 ± 8.42 kg, body height: 181.15 ± 6.52 cm). The measurements of longitudinal arches were performed with the plantographic method on the basis of Clarke’s angle mapped on a computer foot print. The measurements of jumping performance during bilateral (two legs) and unilateral (single-leg) counter movement jump (CMJ) were done on force plate. All subjects jumped three times each type of jump (total 9 jumps): three right leg, three left leg and three two legs. We put the test results through a detailed statistical analysis with the Statistica 8.0. The t-test for dependent variables and the Wilcoxon signed-rank test for divergent variances of the features compared. The analysis of relationships between the chosen podometric and plantographic features and jumping performance was conducted on the basis of the Pearson product-moment correlation coefficient (for the features which presented normal distribution, according to the Shapiro–Wilk test). Results: The correlations between values of height of single-leg jumps (right and left) and bilateral jumps, and foot indices were found in few cases only in men who had greater values of jump height with the non-dominant limb. We did not find a significant difference in jumping ability between the dominant limb and the non-dominant limb in women. We found bilateral deficits in jumping ability in the study groups, though we did not find significant differences (P ≤ 0.05) between the values for women (a mean of 6.5%) and for men (a mean of 8.4%). Conclusion: We found significant gender differences of the correlations between the values of height of jumps (single-leg and bilateral jumps) and foot indices.