"14510" . "Kapitola je deskriptivn\u00ED studie, kter\u00E1 se zab\u00FDv\u00E1 z\u00E1kladn\u00EDmi kinetick\u00FDmi charakteristikami ( vertik\u00E1ln\u00ED reakce s\u00EDly) hlavn\u00EDch zp\u016Fsob\u016F b\u011Bhu na ly\u017E\u00EDch a velikost\u00ED kontaktn\u00ED plochy chodidla p\u0159i odrazu. Byly sledov\u00E1ny tyto prom\u011Bnn\u00E9 u b\u011Bhu st\u0159\u00EDdav\u00E9m dvoudob\u00E9m (DS), soupa\u017En\u00E9m b\u011Bhu jednodob\u00E9m (DPK) a bruslen\u00ED bez odpichu ( SWP ) a V1 , V2 p\u0159i z\u00E1vodn\u00ED rychlosti . Byla pozorov\u00E1na velikost maxim\u00E1ln\u00ED kontaktn\u00ED plochy p\u0159i pohybu ly\u017Ea\u0159\u016F a sou\u010Dasn\u011B dosa\u017Een\u00ED maxim\u00E1ln\u00ED reak\u010Dn\u00ED s\u00EDly p\u0159i odra\u017Een\u00ED. M\u011B\u0159en\u00ED bylo provedeno pomoc\u00ED syst\u00E9mu Pedar [ Novel , GER ] . Na\u0161e pozorovan\u00E1 skupina byla slo\u017Eena z \u00FA\u010Dastn\u00EDk\u016F nejvy\u0161\u0161\u00ED \u00FArovn\u011B v\u00FDkonnosti. Zjistili jsme r\u016Fzn\u00E9 hodnoty maxim\u00E1ln\u00ED s\u00EDly p\u0159i odrazu u sledovan\u00FDch technik . Hodnota reak\u010Dn\u00ED s\u00EDly byl v\u017Edy vy\u0161\u0161\u00ED v DS a DPK , ne\u017E u v\u0161ech technik bruslen\u00ED. U DS a DPK, nebyla hodnota odrazu nebyla v\u00FDznamn\u011B odli\u0161n\u00E1 ve stoup\u00E1n\u00ED nebo na rovin\u011B. U DS hodnoty s\u00EDly dos\u00E1hly 2,2 mTH na rovin\u011B a 2,3 mTH do kopce , u DPK 2.2 a 2.1 , resp ."@cs . "Neuveden" . . "Masarykova univerzita" . . "Kapitola je deskriptivn\u00ED studie, kter\u00E1 se zab\u00FDv\u00E1 z\u00E1kladn\u00EDmi kinetick\u00FDmi charakteristikami ( vertik\u00E1ln\u00ED reakce s\u00EDly) hlavn\u00EDch zp\u016Fsob\u016F b\u011Bhu na ly\u017E\u00EDch a velikost\u00ED kontaktn\u00ED plochy chodidla p\u0159i odrazu. Byly sledov\u00E1ny tyto prom\u011Bnn\u00E9 u b\u011Bhu st\u0159\u00EDdav\u00E9m dvoudob\u00E9m (DS), soupa\u017En\u00E9m b\u011Bhu jednodob\u00E9m (DPK) a bruslen\u00ED bez odpichu ( SWP ) a V1 , V2 p\u0159i z\u00E1vodn\u00ED rychlosti . Byla pozorov\u00E1na velikost maxim\u00E1ln\u00ED kontaktn\u00ED plochy p\u0159i pohybu ly\u017Ea\u0159\u016F a sou\u010Dasn\u011B dosa\u017Een\u00ED maxim\u00E1ln\u00ED reak\u010Dn\u00ED s\u00EDly p\u0159i odra\u017Een\u00ED. M\u011B\u0159en\u00ED bylo provedeno pomoc\u00ED syst\u00E9mu Pedar [ Novel , GER ] . Na\u0161e pozorovan\u00E1 skupina byla slo\u017Eena z \u00FA\u010Dastn\u00EDk\u016F nejvy\u0161\u0161\u00ED \u00FArovn\u011B v\u00FDkonnosti. Zjistili jsme r\u016Fzn\u00E9 hodnoty maxim\u00E1ln\u00ED s\u00EDly p\u0159i odrazu u sledovan\u00FDch technik . Hodnota reak\u010Dn\u00ED s\u00EDly byl v\u017Edy vy\u0161\u0161\u00ED v DS a DPK , ne\u017E u v\u0161ech technik bruslen\u00ED. U DS a DPK, nebyla hodnota odrazu nebyla v\u00FDznamn\u011B odli\u0161n\u00E1 ve stoup\u00E1n\u00ED nebo na rovin\u011B. U DS hodnoty s\u00EDly dos\u00E1hly 2,2 mTH na rovin\u011B a 2,3 mTH do kopce , u DPK 2.2 a 2.1 , resp ." . "9788021060692" . "177166" . . . . "VELIKOST TLAKU NA CHODIDLE P\u0158I ODRAZU U B\u011AHU NA LY\u017D\u00CDCH"@cs . . . "Brno" . "classic technique; skating technique; kinetic analysis; ground reaction force; push-off"@en . "Biomechanick\u00E1 anal\u00FDza pohybov\u00E9ho v\u00FDkonu I" . . "1"^^ . . "Force characteristics during take off in cross country skiing"@en . "15"^^ . "[C2AC41B9D22F]" . . "O" . "2"^^ . . . "VELIKOST TLAKU NA CHODIDLE P\u0158I ODRAZU U B\u011AHU NA LY\u017D\u00CDCH"@cs . . . "RIV/00216224:14510/12:00073023" . . "Force characteristics during take off in cross country skiing"@en . "VELIKOST TLAKU NA CHODIDLE P\u0158I ODRAZU U B\u011AHU NA LY\u017D\u00CDCH" . . "VELIKOST TLAKU NA CHODIDLE P\u0158I ODRAZU U B\u011AHU NA LY\u017D\u00CDCH" . "Korvas, Pavel" . . "The contribution is a descriptive study which deals with the basic kinetic characteristics (vertical ground reaction force) of major cross-country ski techniques and the size of plantar contact area during push-off. We observed and analysed these variables during push-off in diagonal stride (DS), double pole with kick (DPk), V1, V2 and skating without poling (SWP) at the race speed. The size of maximal contact area during the skiers\u2019 movement was observed while reaching maximal ground reaction force during push-off. The measurement was made with the help of the Pedar system [Novel, GER]. Our observed group was composed of competitors of top national performance level. We have found different values of maximal push-off force in the observed techniques. The value of ground reaction force was always higher in DS and DPk than in all skating techniques. In DS and DPk, the value of push-off force was not significantly different while on uphill or flat track. In DS, the values of vertical force reached 2."@en . "151"^^ . "RIV/00216224:14510/12:00073023!RIV14-MSM-14510___" . "Such\u00FD, Ji\u0159\u00ED" .