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Biomechanical variables of the Yurchenko Vault
Eden, Lorna
Eden, Lorna
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2015-09
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Abstract
The first aim was to identify the key temporal and spatial biomechanical variables of the Yurchenko vault from the deterministic model in relation to judges’ score. Secondly, to identify differences between international and national level gymnasts of temporal and spatial biomechanical variables identified in the deterministic model. Twenty female gymnasts, divided into national or international level gymnasts, were filmed using two 300 Hz cameras placed perpendicular to the movement. The data were manually digitised using an 18-point model and filtered using a Butterworth’s low pass filter of 6 Hz. Pearson’s correlation coefficient was used to identify the relationship between biomechanical variables and judges’ score. Independent t-tests were used to compare national to international level gymnasts. A significant correlation to judges’ score was found for body angle at vault touchdown (p = 0.002) and post-flight time (p = 0.027). Furthermore, a significant difference (p < 0.001) for five out of 31 variables were found between national and international level gymnasts which included; pre-flight time, post-flight time, body angle at vault touchdown, shoulder angle at vault touchdown, and vertical velocity at vault take-off. In conclusion, to perform a high scoring vault, it is important to minimise the body angle at vault touchdown and maximise the post-flight time. Finally, international level gymnasts’ exhibited a shorter pre-flight time and a lower body angle at vault touchdown, whereas national level gymnasts demonstrated a lower shoulder angle at vault touchdown, a lower vertical velocity at vault take-off and a shorter post-flight time.
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Eden, L. (2015). Biomechanical variables of the Yurchenko Vault. (Master's thesis). University of Chester, United Kingdom.
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University of Chester
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Thesis or dissertation
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en