Biomechanics and Medicine in Swimming XI

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A Study About the 3D Acceleration in Front Crawl and its Relation With Performance tella, V., Madera, J., colado, J.c., Mateu, J., García Massó, X., González, l.M. Universidad de Valencia, Valencia, España The objective of this study was to analyze the acceleration of the hip generated during front crawl. The swimmers (n=71) performed 25 meters at maximum speed. 3D acceleration was registered. Swimming time domain acceleration signal was analysed. Root Mean Square (RMS) parameter was calculated in the three directions. Also, RMS indexes were calculated to relate the directions in twos. The results showed differences between the different parameters. Speed correlated positively with the RMS values: anterior-posterior (X), medium-lateral (Y) and superior-inferior (Z) directions (p
BiomechanicsandmedicineinswimmingXi The velocity, as a parameter that determines the final swimming performance, showed a positive correlation with some of the studied statistical data of the acceleration (Table 3). Table 3. Correlation variables (r de Pearson), time domain analysis, index and swimming velocity. v RMS z 0.51* RMS y 0.40* RMS x 0.60* IRMSX/Y 0.36* IRMSX/Z 0.43* IRMSZ/Y 0.03 *p
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Biomechanics and Medicine in Swimmi
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Bibliographic information: Biomecha
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Biomechanicsandmedicinein
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Figure 1. General biomechanical par
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Figure 2. Repeatability of the LTin
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-ARM * 5 Biomechanicsandmedic
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• Without restriction; • Blinde
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etween experimental groups and cont
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Pahlen Norge AS Pahlen Norge AS Cha
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