National Repository of Grey Literature 3 records found  Search took 0.01 seconds. 
Bilateral asymmetry of lower limb strength abilities in young snowboardcross athletes
Bohůnková, Marie ; Hank, Mikuláš (advisor) ; Gnad, Tomáš (referee)
The aim of this diploma thesis was to find out the relationships between the performance of strength skills of the dominant and non-dominant lower limbs with respect to the preferred side of riding in snowboarders of different sexes at the racing level. Elite and sub-elite level snowboarders aged 19.16 ± 4.63 years (11 females and 9 males) participated in testing the isokinetic force in the knee joint and the isometric force in the hip joint. Data collection of isokinetic parameters of flexion strength and extension in the knee joint was performed on a Cybex Humac Norm isokinetic dynamometer (Cybex NORM®, Humac, CA, USA). Collection of isometric parameters of abduction force and adduction in the hip joint was performed by the ForceFrame systémem system (Vald Performance, Australia). The position on the snowboard affected the bilateral asymmetry of force in favor (p <0.05) of the dominant limb (front on the snowboard) in some parameters. The magnitude of the isokinetic force between the dominant and non-dominant limbs differed significantly (p <0.05) at extension in the male group, but not in the female group. Significance difference (p <0.05) was found for flexion only for male group. The dominant lower limb achieved a significantly higher (p <0.05) value of the isometric force of abduction in the...
Field and laboratory testing in snowboardcross
Bohůnková, Marie ; Bunc, Václav (advisor) ; Gnad, Tomáš (referee)
Title: Terrain and laboratory testing in Snowboardcross Objectives: The main aim of this bachelor thesis is to compare the validity between terrain and laboratory tests and to evaluate the relationship of tests and the rating of the Czech National Cup in snowboardcross. Methods: Laboratory measurement of lower body measured by Bosco test (repeated jumps per 60 seconds), followed by terrain testing of lower body, which is consisted of broad jump, triple jump and shuttle run 4x10 meters. The probands are 3 female athletes in snowboardcross discipline, aged from 13 to 15 year old. The results of terrain and laboratory testing was compared with the results of rating of Czech National Cup. Results: We discovered that laboratory and terrain tests are similar. The probands has had the same position in 5 tests of 6 total. That means, that proband with the best results of terrain testing has also the best results in laboratory testing. But no proven connection between results of the test and their standing in rating of the Czech National Cup was found. The results of the best proband proved the best performance in races, but the results of remaining probands didn't confirm this relationship. The proband with the worst results of testing (laboratory and terrain) took 4th place in the rating of the Czech...
Field and laboratory testing in snowboardcross
Bohůnková, Marie ; Bunc, Václav (advisor) ; Gnad, Tomáš (referee)
Title: Terrain and laboratory testing in Snowboardcross Objectives: The main aim of this bachelor thesis is to compare the validity between terrain and laboratory tests and to evaluate the relationship of tests and the rating of the Czech National Cup in snowboardcross. Methods: Laboratory measurement of lower body measured by Bosco test (repeated jumps per 60 seconds), followed by terrain testing of lower body, which is consisted of broad jump, triple jump and shuttle run 4x10 meters. The probands are 3 female athletes in snowboardcross discipline, aged from 13 to 15 year old. The results of terrain and laboratory testing was compared with the results of rating of Czech National Cup. Results: We discovered that laboratory and terrain tests are similar. The probands has had the same position in 5 tests of 6 total. That means, that proband with the best results of terrain testing has also the best results in laboratory testing. But no proven connection between results of the test and their standing in rating of the Czech National Cup was found. The results of the best proband proved the best performance in races, but the results of remaining probands didn't confirm this relationship. The proband with the worst results of testing (laboratory and terrain) took 4th place in the rating of the Czech...

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