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A Refined view of the determinants of gait

Della Croce, Ugo and Riley, Patrick O. and Lelas, Jennifer L. and Kerrigan, D. Casey (2001) A Refined view of the determinants of gait. Gait & Posture, Vol. 14 (2), p. 79-84. eISSN 1879-2219. Article.

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DOI: 10.1016/S0966-6362(01)00128-X


We evaluated the effect of reducing the vertical displacement of the centre of mass (COM) on the six determinants of gait proposed by Saunders, Inman and Eberhart in 30 healthy adults. We compared the estimated reduction in COM vertical displacement due to the determinants in their compass model with the actual reduction of vertical displacement. The maximum height of the COM for the compass gait model occurred earlier than the actual COM maximum height. Different gait functions were determinant in reducing COM vertical displacement. In both cases heel rise was the main determinant (up to 2/3 of total reduction). Pelvic obliquity and single stance knee flexion contributions were more important when compass gait COM maximum was used while they were barely detectable at the actual COM maximum. Ipsi- and contra-lateral knee flexion were detrimental to the reduction of COM vertical displacements, while pelvic rotation contribution was beneficial and accounted for up to 10% of the overall COM vertical displacement reduction. Although a reduction of COM vertical displacement may have important energy implications, determining the specific gait parameters associated with this function is fundamental in understanding gait disability.

Item Type:Article
ID Code:6956
Uncontrolled Keywords:Centre of mass, gait parameters, vertical displacement
Subjects:Area 09 - Ingegneria industriale e dell'informazione > ING-INF/06 Bioingegneria elettronica e informatica
Divisions:001 Università di Sassari > 01 Dipartimenti > Scienze biomediche
Deposited On:13 Jan 2012 09:38

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