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HOW CAN XSENS KINEMATIC SUIT ADD TO OUR UNDERSTANDING OF A SLALOM TURN: A CASE STUDY IN LABORATORY AND FIELD CONDITIONS


Cigrovski, Vjekoslav; Rupčić, Tomislav; Bon, Ivan; Očić, Mateja; Dukarić, Vedran
HOW CAN XSENS KINEMATIC SUIT ADD TO OUR UNDERSTANDING OF A SLALOM TURN: A CASE STUDY IN LABORATORY AND FIELD CONDITIONS // Abstract Book of the 8th International Congress on Science and Skiing / Karczewska-Lindinger, Magdalena ; Hakkarainen, Anni ; Linnamo, Vesa ; Lindinger, Stefan (ur.).
Vuokatti: Vuokatti Sports Technology Unit of the Faculty of Sports and Health Sciences of the University of Jyvaskyla, 2019. str. 54-54 (poster, međunarodna recenzija, sažetak, znanstveni)


Naslov
HOW CAN XSENS KINEMATIC SUIT ADD TO OUR UNDERSTANDING OF A SLALOM TURN: A CASE STUDY IN LABORATORY AND FIELD CONDITIONS

Autori
Cigrovski, Vjekoslav ; Rupčić, Tomislav ; Bon, Ivan ; Očić, Mateja ; Dukarić, Vedran

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
Abstract Book of the 8th International Congress on Science and Skiing / Karczewska-Lindinger, Magdalena ; Hakkarainen, Anni ; Linnamo, Vesa ; Lindinger, Stefan - Vuokatti : Vuokatti Sports Technology Unit of the Faculty of Sports and Health Sciences of the University of Jyvaskyla, 2019, 54-54

ISBN
978-951-39-7683-5

Skup
8th International Congress on Science and Skiing

Mjesto i datum
Vuokatti, Finland, 11-15.03.2019

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Alpine skiing, kinematic analysis, kinematic suit, model values, ski simulator training

Sažetak
Kinematic analysis with XSENS kinematic suit enables information on body position during every part of a slalom turn, as well as the position of center of mass and position of the inner and outer leg during all phases of a turn. The aim was to investigate technique of a slalom turn. Participant was a 25.1 years old female alpine skier, former competitor. 20 variables for each specific slalom turn were analyzed during 3 situations ; on a Pro ski up simulator, free skiing slalom and skiing in a predefined slalom corridor. 26 turns in each situation, 13 in each side were analyzed. Measured kinematic parameters included angles in ankle, knee and hip joints and distance projection of a body mass and inner and outer foot in relation to the axis of turn rotation. Slalom turn was defined by average duration of slalom turn in predefined corridor. Metronome was used to determine the duration of the turn in free skiing and simulator. between Slalom turn performed on a simulator differs statistically significant in all kinematic parameters from turns performed during free slalom skiing and skiing in a predefined slalom corridor (p=0.00). Additionally, we found significant differences between variables hip abduction and flexion (p=0.00) ; knee flexion (p=0.00) ; and distance of the projection of centre of mass relative to the left and right foot in left turn (p=0.00) ; during free slalom turn and slalom turn in a predefined slalom corridor. It should be emphasized that all variables were analyzed during the same position of a ski turn in all 3 situations ; while participant was parallel with the fall line of the slope. This is the moment where skies are further apart from the projection of the center of the body mass, measured in centimeters, and it represents the central point of a turn. It was determined in XSENS software which enables frame by frame analysis. At the simulator this is the point in which feet are in the most distant position from projection of center of mass. By using XSENS kinematic suit it is possible to record the whole ski run in a defined corridor and whole duration of a free skiing on the same terrain. Also, XSENS suit does not disturb the athlete and is un- invasive. Results support the differences between the slalom turn performed on a simulator from those during free skiing and skiing in the predefined corridor. Simulator characteristics restrict certain body movements. But, due to similar activation of the muscles in analysed situations Moon and colleagues advise the use of the simulator in fitness training of alpine ski representatives.

Izvorni jezik
Engleski

Znanstvena područja
Kineziologija



POVEZANOST RADA


Ustanove
Kineziološki fakultet, Zagreb