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Volume 11
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Article

Reliability and Validity of a Portable Traction Dynamometer in Knee-Strength Extension Tests: An Isometric Strength Assessment in Recreationally Active Men

by
Danielle Garcia
1,2,
Ivo Vieira de Sousa Neto
3,
Yuri de Souza Monteiro
2,
Denis Pinheiro Magalhães
2,
Gleison Miguel Lissemerki Ferreira
1,
Roberto Grisa
1,
Jonato Prestes
1,
Bruno Viana Rosa
1,
Odilon Abrahin
4,
Tatiane Meire Martins
1,
Samuel Estevam Vidal
1,
Rosimeire de Moura Andrade
1,
Rodrigo Souza Celes
1,5,
Nicholas Rolnick
6 and
Dahan da Cunha Nascimento
1,*
1
Department of Physical Education, Catholic University of Brasilia (UCB), Brasília 71966900, Brazil
2
Department of Physical Education, UniProjeção University Center, Brasília 72115145, Brazil
3
School of Physical Education and Sport of Ribeirão Preto, University of São Paulo (USP), São Paulo 14040900, Brazil
4
Laboratory of Resistance Exercise and Health, University of the State of Pará, Belém 66050540, Brazil
5
Faculty of Physical Education, University of Brasilia, Brasilia 70910900, Brazil
6
The Human Performance Mechanic, Lehman College, New York, NY 10468, USA
*
Author to whom correspondence should be addressed.
Healthcare 2023, 11(10), 1466; https://doi.org/10.3390/healthcare11101466
Submission received: 27 March 2023 / Revised: 6 May 2023 / Accepted: 10 May 2023 / Published: 18 May 2023
(This article belongs to the Topic The Use of New Technologies for Health and Clinical Practice)
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Abstract

Background: the study determined the validity and reliability of measurements obtained using the portable traction dynamometer (PTD) (E-Lastic, E-Sports Solutions, Brazil) and the reproducibility between evaluators (precision) in the evaluation of the isometric muscle strength of the knee extensors of healthy male adults, compared to measurements obtained with the “gold standard” computerized dynamometer (CD) (Biodex System 3, Nova York, NY, USA). Methods: we evaluated sixteen recreationally active men (29.50 ± 7.26 years). The test–retest reliability of both equipment to determine quadriceps strength, agreement analysis, and the minimal important difference were verified. Results: excellent test–retest interrater reliability was observed for absolute and relative measurements, with a low absolute error for both sets of equipment and excellent validity of the PTD against the CD, as verified by linear regression and Pearson’s correlation coefficient. Conclusions: PTD is a valid and reliable instrument for assessing the isometric strength of knee extensors, with results similar to the isometric CD “gold standard”.
Keywords: knee extension; reliability; validity; portable traction dynamometer; isometric knee extension; reliability; validity; portable traction dynamometer; isometric

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MDPI and ACS Style

Garcia, D.; de Sousa Neto, I.V.; de Souza Monteiro, Y.; Magalhães, D.P.; Ferreira, G.M.L.; Grisa, R.; Prestes, J.; Rosa, B.V.; Abrahin, O.; Martins, T.M.; et al. Reliability and Validity of a Portable Traction Dynamometer in Knee-Strength Extension Tests: An Isometric Strength Assessment in Recreationally Active Men. Healthcare 2023, 11, 1466. https://doi.org/10.3390/healthcare11101466

AMA Style

Garcia D, de Sousa Neto IV, de Souza Monteiro Y, Magalhães DP, Ferreira GML, Grisa R, Prestes J, Rosa BV, Abrahin O, Martins TM, et al. Reliability and Validity of a Portable Traction Dynamometer in Knee-Strength Extension Tests: An Isometric Strength Assessment in Recreationally Active Men. Healthcare. 2023; 11(10):1466. https://doi.org/10.3390/healthcare11101466

Chicago/Turabian Style

Garcia, Danielle, Ivo Vieira de Sousa Neto, Yuri de Souza Monteiro, Denis Pinheiro Magalhães, Gleison Miguel Lissemerki Ferreira, Roberto Grisa, Jonato Prestes, Bruno Viana Rosa, Odilon Abrahin, Tatiane Meire Martins, and et al. 2023. "Reliability and Validity of a Portable Traction Dynamometer in Knee-Strength Extension Tests: An Isometric Strength Assessment in Recreationally Active Men" Healthcare 11, no. 10: 1466. https://doi.org/10.3390/healthcare11101466

APA Style

Garcia, D., de Sousa Neto, I. V., de Souza Monteiro, Y., Magalhães, D. P., Ferreira, G. M. L., Grisa, R., Prestes, J., Rosa, B. V., Abrahin, O., Martins, T. M., Vidal, S. E., de Moura Andrade, R., Celes, R. S., Rolnick, N., & da Cunha Nascimento, D. (2023). Reliability and Validity of a Portable Traction Dynamometer in Knee-Strength Extension Tests: An Isometric Strength Assessment in Recreationally Active Men. Healthcare, 11(10), 1466. https://doi.org/10.3390/healthcare11101466

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