The test–retest reliability of a belt-fixated dynamometer for assessing maximal knee strength, inter-limb asymmetries, and hamstring–quadriceps ratios
Article
Nedović, N., Jovanović, S., Vujičić, D., Bishop, C. and Kozinc, Z. 2024. The test–retest reliability of a belt-fixated dynamometer for assessing maximal knee strength, inter-limb asymmetries, and hamstring–quadriceps ratios. Symmetry. 16 (11). https://doi.org/10.3390/sym16111541
Type | Article |
---|---|
Title | The test–retest reliability of a belt-fixated dynamometer for assessing maximal knee strength, inter-limb asymmetries, and hamstring–quadriceps ratios |
Authors | Nedović, N., Jovanović, S., Vujičić, D., Bishop, C. and Kozinc, Z. |
Abstract | Evaluating maximal strength, inter-limb asymmetries, and the hamstring-to-quadriceps (HQ) ratio is essential for identifying strength deficits in athletes. This cross-sectional study assessed the test-retest (inter-visit) reliability of the EasyForce dynamometer for knee extension and flexion strength in 21 young healthy participants (11 women, 10 men; age = 19.4 ± 0.7 years). The dynamometer demonstrated excellent relative reliability, with ICC values of 0.99 for knee extension and 0.95 –0.98 for knee flexion. Absolute reliability was also acceptable (typical error = 5.63 –16.44 N; coefficient of variation = 3.94–6.80%). Reliability for inter-limb asymmetries (ICC = 0.90) and HQ ratios (ICC = 0.91-0.92) was good to excellent. Agreement for inter-limb asymmetry direction between visits was excellent for knee extension (κ = 0.90) and substantial for knee flexion (κ = 0.71). These findings suggest that EasyForce is reliable for assessing muscle strength, inter-limb asymmetries, and HQ ratios in physically active adults. Future research should explore broader applicability of EasyForce in muscle strength assessment, particularly for professional athletes and during rehabilitation. |
Sustainable Development Goals | 3 Good health and well-being |
Middlesex University Theme | Health & Wellbeing |
Publisher | MDPI |
Journal | Symmetry |
ISSN | |
Electronic | 2073-8994 |
Publication dates | |
Online | 18 Nov 2024 |
Nov 2024 | |
Publication process dates | |
Accepted | 17 Nov 2024 |
Deposited | 18 Nov 2024 |
Output status | Published |
Publisher's version | License File Access Level Open |
Copyright Statement | © 2024 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). |
Digital Object Identifier (DOI) | https://doi.org/10.3390/sym16111541 |
https://repository.mdx.ac.uk/item/1w92x8
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