Changes in vertical jump performance and body composition before and after COVID-19 lockdown
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Título: | Changes in vertical jump performance and body composition before and after COVID-19 lockdown |
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Autor/es: | Tan, Erik | Montalvo, Samuel | Gonzalez, Matthew P. | Dietze-Hermosa, Martin | Min, See | Dorgo, Sandor |
Palabras clave: | COVID-19 | Vertical jump | Wushu | Martial arts | Performance analysis of sport |
Área/s de conocimiento: | Educación Física y Deportiva |
Fecha de publicación: | 2023 |
Editor: | Universidad de Alicante. Área de Educación Física y Deporte |
Cita bibliográfica: | Journal of Human Sport and Exercise. 2023, 18(1): 224-241. https://doi.org/10.14198/jhse.2023.181.18 |
Resumen: | This study aimed to determine the effects of a 16-week COVID-19 lockdown on body composition and vertical jump performance. Thirteen martial artists participated in this study. Participants were tested at: 1) pre-lockdown (pre), 2) post-lockdown (post), 3) two-weeks-post-lockdown (post+2), and 4) four-weeks-post-lockdown (post+4). Repeated-measures-ANOVAs were conducted with post-hoc analyses. Differences were observed in vertical jump height (VJH) (10.33%), peak velocity (PV) (3.10%), reactive-strength-index-modified (RSImod) (13.8%), and peak-propulsive-power (PPP) (6.00%) from pre-to-post. There as an increase from post-to-post+2 in VJ (13.06%), PV (4.12%), RSImod (14.0%), and PPP (4.66%). There was an increase from post to post+2 in VJH (10.8%), PV (3.1%), RSImod (14.0%), and PPP (3.0%). Fat mass (FM) and BF% increased from pre to post (13% and 11%, respectively) and decreased from post to post+4 (8% and 11%, respectively); fat-free mass (FFM) decreased from pre-to-post (11%) and decreased from post-to-post+4 (8%). There were moderate associations (rmc = 0.42-0.47) between FFM and VJH, FMM and PPP, FFM and PV, BF% and PV, and FM and PV. While the lockdown resulted in a significant decrease in vertical jump performance and increases in BF and FM, participant’s performance returned to pre-lockdown levels after only 2-4 weeks of post-lockdown training by decreasing BF, FM, and increasing FFM. |
URI: | http://hdl.handle.net/10045/120753 |
ISSN: | 1988-5202 |
DOI: | 10.14198/jhse.2023.181.18 |
Idioma: | eng |
Tipo: | info:eu-repo/semantics/article |
Derechos: | This work is licensed under a Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) |
Revisión científica: | si |
Versión del editor: | https://doi.org/10.14198/jhse.2023.181.18 |
Aparece en las colecciones: | Journal of Human Sport and Exercise - 2023, Vol. 18, No. 1 |
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