Factors influencing the jump momentum – sprint momentum correlation: a data simulation

Mcerlain-naylor, Stuart and Beato, Marco (2021) Factors influencing the jump momentum – sprint momentum correlation: a data simulation. European Journal of Sport science. ISSN 1746-1391

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Jump take-off momentum has previously been proposed as an alternative test to predict sprint momentum. This study used a data simulation to replicate and systematically investigate relationships reported in previous studies between body mass, vertical jump performance, and sprint performance. Results were averaged for 1000 simulated data sets in each condition, and the effects of various parameters on correlations between jump momentum and sprint momentum were determined. The ability of jump take-off momentum to predict sprint momentum is greatest under relatively high inter-individual variation in body mass and relatively low inter-individual variation in jump height. This is largely due to the increased emphasis on body mass in these situations. Even under zero or a small negative (r = -0.30) correlation between jump height and sprint velocity, the correlation between the two momenta remained very large (r ≥ 0.76) on average. There were no investigated conditions under which jump momentum was most frequently a significantly (p < 0.05) greater predictor of sprint momentum compared to simply using body mass alone. Furthermore, between-individual correlations should not be used to make inferences or predictions for within-individual applications (e.g., predicting or evaluating the effects of a longitudinal training intervention). It is recommended that any rationale for calculating and/or monitoring jump take-off momentum should be separate from its ability to predict sprint momentum. Indeed, body mass alone may be a better predictor of sprint momentum.

Item Type: Article
Uncontrolled Keywords: countermovement jump, mass, variability, correlation, velocity, jump height
Subjects: Q Science > QC Physics
Q Science > QM Human anatomy
Divisions: Faculty of Health & Science > Department of Health Studies
Depositing User: Stuart Mcerlain-naylor
Date Deposited: 06 Jan 2022 11:53
Last Modified: 06 Jan 2022 12:08
URI: https://oars.uos.ac.uk/id/eprint/2179

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