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Article

Simple Assessment of Height and Length of Flight in Complex Gymnastic Skills: Validity and Reliability of a Two-Dimensional Video Analysis Method

1
Department of Elite Sport, Swiss Federal Institute of Sport (SFISM), 2532 Magglingen, Switzerland
2
Department of Neuroscience and Movement Science, University of Fribourg, 1700 Fribourg, Switzerland
*
Author to whom correspondence should be addressed.
Appl. Sci. 2019, 9(19), 3975; https://doi.org/10.3390/app9193975
Received: 28 August 2019 / Revised: 14 September 2019 / Accepted: 18 September 2019 / Published: 23 September 2019
(This article belongs to the Special Issue Biomechanical Spectrum of Human Sport Performance)
In artistic gymnastics, the possibility of using 2D video analysis to measure the peak height (hpeak) and length of flight (L) during routine training in order to monitor the execution and development of difficult elements is intriguing. However, the validity and reliability of such measurements remain unclear. Therefore, in this study, the hpeak and L of 38 vaults, performed by top-level gymnasts, were assessed by 2D and 3D analysis in order to evaluate criterion validity and both intrarater and interrater reliability of the 2D method. Validity calculations showed higher accuracy for hpeak (±95% LoA: ±3.6% of average peak height) than for L (±95% LoA: ±7.6% of average length). Minor random errors, but no systematic errors, were observed in the examination of intrarater reliability (hpeak: CV% = 0.44%, p = 0.81; L: CV% = 0.87%, p = 0.14) and interrater reliability (hpeak: CV% = 0.51%, p = 0.55; L: CV% = 0.72%, p = 0.44). In conclusion, the validity and reliability of the 2D method are deemed sufficient (particularly for hpeak, but with some limitations for L) to justify its use in routine training of the vault. Due to its simplicity and low cost, this method could be an attractive monitoring tool for gymnastics coaches. View Full-Text
Keywords: two-dimensional video analysis; validity; reliability; quantitative biomechanical parameters; artistic gymnastics two-dimensional video analysis; validity; reliability; quantitative biomechanical parameters; artistic gymnastics
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MDPI and ACS Style

Schärer, C.; von Siebenthal, L.; Lomax, I.; Gross, M.; Taube, W.; Hübner, K. Simple Assessment of Height and Length of Flight in Complex Gymnastic Skills: Validity and Reliability of a Two-Dimensional Video Analysis Method. Appl. Sci. 2019, 9, 3975. https://doi.org/10.3390/app9193975

AMA Style

Schärer C, von Siebenthal L, Lomax I, Gross M, Taube W, Hübner K. Simple Assessment of Height and Length of Flight in Complex Gymnastic Skills: Validity and Reliability of a Two-Dimensional Video Analysis Method. Applied Sciences. 2019; 9(19):3975. https://doi.org/10.3390/app9193975

Chicago/Turabian Style

Schärer, Christoph, Luca von Siebenthal, Ishbel Lomax, Micah Gross, Wolfgang Taube, and Klaus Hübner. 2019. "Simple Assessment of Height and Length of Flight in Complex Gymnastic Skills: Validity and Reliability of a Two-Dimensional Video Analysis Method" Applied Sciences 9, no. 19: 3975. https://doi.org/10.3390/app9193975

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