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Effect of walking surface, late-cueing, physiological characteristics of aging, and gait parameters on turn style preference in healthy, older adults.
Dixon, P C; Smith, T; Taylor, M J D; Jacobs, J V; Dennerlein, J T; Schiffman, J M.
Afiliación
  • Dixon PC; Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, USA; Liberty Mutual Research Institute for Safety, Boston, USA. Electronic address: philippe.dixon@gmail.com.
  • Smith T; Faculty of Education, Health & Wellbeing, University of Wolverhampton, Walsall, UK.
  • Taylor MJD; School of Sport, Rehabilitation and Exercise Sciences, University of Essex, Colchester, UK.
  • Jacobs JV; Liberty Mutual Research Institute for Safety, Boston, USA.
  • Dennerlein JT; Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, USA; Bouvé College of Health Sciences, Northeastern University, Boston, USA.
  • Schiffman JM; Liberty Mutual Research Institute for Safety, Boston, USA.
Hum Mov Sci ; 66: 504-510, 2019 Aug.
Article en En | MEDLINE | ID: mdl-31203020
Turning while walking is a crucial component of locomotion, often performed on irregular surfaces with little planning time. Turns can be difficult for some older adults due to physiological age-related changes. Two different turning strategies have been identified in the literature. During step turns, which are biomechanically stable, the body rotates about the outside limb, while for spin turns, generally performed with closer foot-to-foot distance, the inside limb is the main pivot point. Turning strategy preferences of older adults under challenging conditions remains unclear. The aim of this study was to determine how turning strategy preference in healthy older adults is modulated by surface features, cueing time, physiological characteristics of aging, and gait parameters. Seventeen healthy older adults (71.5 ±â€¯4.2 years) performed 90° turns for two surfaces (flat, uneven) and two cue conditions (pre-planned, late-cue). Gait parameters were identified from kinematic data. Measures of lower-limb strength, balance, and reaction-time were also recorded. Generalized linear (logistic) regression mixed-effects models examined the effect of (1) surface and cuing, (2) physiological characteristics of ageing, and (3) gait parameters on turn strategy preference. Step turns were preferred when the condition was pre-planned (p < 0.001) (model 1) and when the gait parameters of stride regularity and maximum acceleration decreased (p = 0.010 and p = 0.039, respectively) (model 3). Differences in turn strategy selection under dynamic conditions ought to be evaluated in future fall-risk research and rehabilitation utilizing real-world activity monitoring.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Prognostic_studies Aspecto: Patient_preference Idioma: En Revista: Hum Mov Sci Año: 2019 Tipo del documento: Article Pais de publicación: Países Bajos
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Prognostic_studies Aspecto: Patient_preference Idioma: En Revista: Hum Mov Sci Año: 2019 Tipo del documento: Article Pais de publicación: Países Bajos