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Lookup NU author(s): Dr Javad SarvestanORCiD
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Balance and lower limb strength deficits are associated with a high incidence of falls in older adults. This study investigated the association between balance control during and after stair descent onto a compliant surface and lower limb strength. Thirty-five women and 14 men participated in this study. Stair descent time, mean center of pressure velocity in anteroposterior and mediolateral direction during stair descent (CoP VAP and CoP VML), and CoP velocity in the first 5 s of restabilization phase (CoP V5) were evaluated. Bilateral strength of the knee flexors and extensors, and ankle plantar and dorsal flexors was evaluated. Spearman correlation analysis with Bonferroni correction yielded a significant association between the strength of the knee flexors on the trailing limb and stair descent time in women (r = 0.502, p = 0.002, R² = 0.246). The same analysis in men revealed a significant association between the strength of the knee flexors on the trailing limb and CoP VAP (r = -0.820, p < 0.001, R² = 0.280) and CoP VML (r = -0.697, p = 0.006, R² = 0.359). The strength of the ankle plantar flexors on the trailing limb was significantly associated with stair descent time (r = 0.684, p = 0.007, R² = 0.429) and CoP VAP (r = -0.723, p = 0.003, R² = 0.408) in men. Stair descent balance control in women is associated with knee flexion strength on trailing limb, and with ankle plantar flexion and knee flexion strength on the same limb in men
Author(s): Kovacikova Z, Sarvestan J, Neumannova K, Linduska P, Gonosova Z, Pecho J
Publication type: Article
Publication status: Published
Journal: Journal of Biomechanics
Year: 2020
Volume: 111
Issue: 3
Print publication date: 09/10/2020
Online publication date: 01/09/2020
Acceptance date: 18/08/2020
ISSN (print): 0021-9290
ISSN (electronic): 1873-2380
Publisher: Elsevier Ltd
URL: https://doi.org/10.1016/j.jbiomech.2020.110013
DOI: 10.1016/j.jbiomech.2020.110013
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