Decline in sensorimotor systems explains reduced falls self-efficacy

Journal of Electromyography and Kinesiology : Official Journal of the International Society of Electrophysiological Kinesiology
Mascha PauelsenUlrik Röijezon

Abstract

Physical performance including balance tasks is one of the main factors explaining the variance in falls self-efficacy in older adults. Balance performance is often measured by use of gross assessment scales, which assess the result of integration of all systems involved in postural control. We aimed to investigate which measurements of postural control correlate to falls self-efficacy scores as measured by the FES-I instrument, and which sensory and motor systems best explain them. A cross sectional study was designed, in which 45 older adults performed quiet stance and limits of stability trials during which their center of pressure (CoP) excursion was recorded. Falls self-efficacy was measured using the Falls Efficacy Scale - International. Eyesight, vestibular function, proprioception, reaction time and strength were also measured. Hierarchical orthogonal projection of latent structures was used to model FES-I with the CoP trials and then with the sensory and muscle function data. Fes-I could be explained to 39%, with the eyes open trials and the limits of stability trials loading the heaviest. The base model could be explained to 40% using the sensory and muscle function data, with lower limb strength, leg proprioception, ...Continue Reading

Citations

Aug 14, 2020·PloS One·Justyna MichalskaKajetan J Słomka
Jul 10, 2021·PloS One·Maxime GuyonAlexis Bozorg Grayeli
Aug 15, 2019··Hedyeh JafariThomas Gustafsson

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