Validity of the Polar V800 to measure vertical jump performance in taekwondo athletes

Marcos Antonio Pereira dos Santos; Christian Emmanuel Torres Cabido; Valmir Oliveira Silvino; Andre Rodrigues de Mesquita; Francisco Luis Santos Nascimento; Severino Leao de Albuquerque Neto; Karine Naves de Oliveira Goulart; Leszek Antoni Szmuchrowski; Bruno Couto

doi:10.14589/ido.21.1.3

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Validity of the Polar V800 to measure vertical jump performance in taekwondo athletes

Journal article

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Validity of the Polar V800 to measure vertical jump performance in taekwondo athletes

Marcos Antonio Pereira dos Santos, Christian Emmanuel Torres Cabido, Valmir Oliveira Silvino, Andre Rodrigues de Mesquita, Francisco Luis Santos Nascimento, Severino Leao de Albuquerque Neto, Karine Naves de Oliveira Goulart, Leszek Antoni Szmuchrowski and Bruno Couto

Ido Movement for Culture, Vol.21(1), pp.12-18

2021

DOI: https://doi.org/10.14589/ido.21.1.3

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Abstract

squat jump

countermovement jump

force plate

martial arts

Background. Lower limbs performance plays a huge role in the training processes of martial arts, including taekwondo. By monitoring vertical jumps (VJ) lower limb muscular strength can be assessed. However, the force plate, considered the gold standard device to evaluate VJ performance, is expensive and lab-based. The Polar V800 device is able to measure VJ height, and it has become widely popular among trainers and athletes. However, it has not yet been validated for this purpose. Problem and aim. Due to the impracticability of using the force plate, coaches and athletes have been using the Polar V800 in their training routines. This study aimed to evaluate the validity and reliability of the Polar V800 versus force plate measurements to estimate VJ height in taekwondo athletes. Methods. Thirty male national level taekwondo athletes were asked to perform five squat jumps and five countermovement jumps at maximal effort on the force plate while simultaneously wearing the stride sensor connected to the V800. The mean and the highest jump measurements estimated simultaneously by both devices were compared through Pearson's correlation and Bland-Altman test. Results. Intraday reliability of the V800 was excellent with ICCs ranging from 0.97 to 0.98. There was strong reliability (ICC > 0.97), a low standard error of measurements (0.69-0.92 cm), an excellent correlation between methods (r > 0.96), and excellent agreement observed by Bland-Altman analysis. Conclusion. The Polar V800 device is demonstrated to be a valid and reliable tool for the estimation of VJ height.

Details

Title: Validity of the Polar V800 to measure vertical jump performance in taekwondo athletes
Authors: Marcos Antonio Pereira dos Santos - Universidade Federal do Piauí
Christian Emmanuel Torres Cabido - Universidade Federal do Maranhão
Valmir Oliveira Silvino - Universidade Federal do Piauí
Andre Rodrigues de Mesquita - Universidade Federal do Piauí
Francisco Luis Santos Nascimento - Universidade Federal do Piauí
Severino Leao de Albuquerque Neto - Universidade Católica de Brasília
Karine Naves de Oliveira Goulart - Universidade Federal de Minas Gerais
Leszek Antoni Szmuchrowski - Universidade Federal de Minas Gerais
Bruno Couto - Universidade Federal de Minas Gerais
Publication details: Ido Movement for Culture, Vol.21(1), pp.12-18
Publisher: Stowarzyszenie Idokan Polska
Date published: 2021
DOI: 10.14589/ido.21.1.3
ISSN: 2082-7571
Copyright note: The Author acknowledges and agrees that the work will be made publicly available under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported (CC BY-NC-ND 3.0) license.
Organisation Unit: School of Health - Sports & Exercise Science
Language: English
Record Identifier: 991266494502621
Output Type: Journal article

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