Temat: jumping performance - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Wyniki prob dzielnosci klaczy koni ras szlachetnych przeprowadzonych w wojewodztwie kujawsko-pomorskim w latach 2002-2007
The results of bravery test of mares of the noble breed horses carried out in Kujawy-Pomerania province in years 2002-2007
Autorzy:: Drewka, M
Powiązania:: https://bibliotekanauki.pl/articles/44705.pdf
Data publikacji:: 2008
Wydawca:: Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:: step
jezdnosc
woj.kujawsko-pomorskie
skoki luzem
proby dzielnosci
klacze [zool.]
klus
galop
konie
walk
Kujawy-Pomerania voivodship
horse performance
mare
trot
gallop
horse
jumping horse
Źródło:: Acta Scientiarum Polonorum. Zootechnica; 2008, 07, 3-4; 11-17
1644-0714
Pojawia się w:: Acta Scientiarum Polonorum. Zootechnica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Leg stiffness adjustment during hopping at different intensities and frequencies
Autorzy:: Mrdakovic, V.
Ilic, D.
Vulovic, R.
Matic, M.
Jankovic, N.
Filipovic, N.
Powiązania:: https://bibliotekanauki.pl/articles/307107.pdf
Data publikacji:: 2014
Wydawca:: Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:: połączenie
węzeł podatny
sztywność
skoki
joint stiffness
jumping performance
preferred hopping frequency
spring-mass model
Opis:: Understanding leg and joint stiffness adjustment during maximum hopping may provide important information for developing more effective training methods. It has been reported that ankle stiffness has major influence on stable spring-mass dynamics during submaximal hopping, and that knee stiffness is a major determinant for hopping performance during maximal hopping task. Furthermore, there are no reports on how the height of the previous hop could affect overall stiffness modulation of the subsequent maximum one. The purpose of the present study was to determine whether and how the jump height of the previous hop affects leg and joint stiffness for subsequent maximum hop. Ten participants completed trials in which they repeatedly hopped as high as possible (MX task) and trials in which they were instructed to perform several maximum hops with 3 preferred (optimal) height hops between each of them (P3MX task). Both hopping tasks were performed at 2.2 Hz hopping frequency and at the participant's preferred (freely chosen) frequency as well. By comparing results of those hopping tasks, we found that ankle stiffness at 2.2 Hz (p=0.041) and knee stiffness at preferred frequency (p=0.045) was significantly greater for MX versus P3MX tasks. Leg stiffness for 2.2 Hz hopping is greater than for the preferred frequency. Ankle stiffness is greater for 2.2 Hz than for preferred frequencies; opposite stands for knee stiffness. The results of this study suggest that preparatory hop height can be considered as an important factor for modulation of maximum hop.
Źródło:: Acta of Bioengineering and Biomechanics; 2014, 16, 3; 69-76
1509-409X
2450-6303
Pojawia się w:: Acta of Bioengineering and Biomechanics
Dostawca treści:: Biblioteka Nauki

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