Differences in the momentum development during transfers sit to stand between fall and no fall elderly

Rodrigo Antonio Guzmán, Hugo Enrique Prado, Helvio Porcel Melián, Benoit Cordier

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

7 Citas (Scopus)


Introduction: The momentum of the upper body (UB) during transfer sit-to-stand (STS) could be sensitive to the deterioration of dynamic postural control, and also the risk of falls. The aim of this study is to quantify the differences in the momentum development on UB during the STS in a sample of fall and no-fall elderly subjects. Material and mehods: The sample consisted of twenty three voluntary elderly subjects (n=23), six elderly adults with antecedents of frequent falls (more than two within a year period) and seventeen without histories of frequent falls. Through a motion analysis system we registered the kinematics of UB during STS, from which we calculated the momentum of UB. The determined analysis variables were: the maximum values of the vertical (PVM) and horizontal (PHM) lineal momenta, the minimum (LMax) and maximum (LMin) values of the angular momentum and maximum trunk flexion (θMUB). Results: No difference was observed in PHM, LMax and LMin (P>0.05) between both groups. However, a significant difference was found for the variable PVM (P=0.03) and θMUB (P=0.03) between both groups. Conclusions: We can conclude that, for the sample studied, the frequent fall condition relates to a smaller capacity to develop vertical momentum and increase flexion of the upper body.
Idioma originalInglés estadounidense
Páginas (desde-hasta)200-204
Número de páginas5
PublicaciónRevista Espanola de Geriatria y Gerontologia
EstadoPublicada - 1 ene. 2009
Publicado de forma externa

Palabras clave

  • Biomechanics
  • Elderly
  • Fall
  • Momentum


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