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Title: Assessing the effects of kata and kumite techniques on physical performance in elite karatekas
Authors: Molinaro, Luca
Taborri, Juri
Montecchiani, Massimo
Rossi, Stefano 
Journal: SENSORS 
Issue Date: 2020
© 2020 by the authors. Licensee MDPI, Basel, Switzerland. This study aimed at assessing physical performance of elite karatekas and non-karatekas. More specifically, effects of kumite and kata technique on joint mobility, body stability, and jumping ability were assessed by enrolling twenty-four karatekas and by comparing the results with 18 non-karatekas healthy subjects. Sensor system was composed by a single inertial sensor and optical bars. Karatekas are generally characterized by better motor performance with respect non-karatekas, considering all the examined factors, i.e., mobility, stability, and jumping. In addition, the two techniques lead to a differentiation in joint mobility; in particular, kumite athletes are characterized by a greater shoulder extension and, in general, by a greater value of preferred velocity to perform joint movements. Conversely, kata athletes are characterized by a greater mobility of the ankle joint. By focusing on jumping skills, kata technique leads to an increase of the concentric phase when performing squat jump. Finally, kata athletes showed better stability in closed eyes condition. The outcomes reported here can be useful for optimizing coaching programs for both beginners and karatekas based on the specific selected technique.
ISSN: 1424-8220
DOI: 10.3390/s20113186
Rights: CC0 1.0 Universal
Appears in Collections:A1. Articolo in rivista

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