Relative phase coordination analysis in the assessment of dynamic gait symmetry

HADDAD , J. M., VAN EMMERIK, R. E. A., WHEAT, J. S., HAMILL, J. and SNAPP-CHILDS, W. (2010). Relative phase coordination analysis in the assessment of dynamic gait symmetry. Journal of applied biomechanics, 26 (1), 109-113.

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Abstract

A variety of kinematic and kinetic measures are typically used to examine gait symmetry. Here we make the argument that gait asymmetries may be most clearly revealed through higher-order coordinative measures such as continuous relative phase (CRP). Participants walked on a treadmill with a load attached to their nondominant limb. Gait symmetry was then assessed using spatial (angular), temporal (velocity), and higher-order (CRP) symmetry measures. It was found that higher-order measures were most sensitive at assessing asymmetries due to load manipulation at both the distal and proximal segments. Symmetry measures derived from velocity variables were more sensitive than angular measures at detecting asymmetries, but were less sensitive compared with CRP. Asymmetries were also more readily detected using segmental angles compared with joint angles. These results suggest that gait asymmetries that emerge from changing constraints manifest along both spatial and temporal dimensions.

Item Type: Article
Research Institute, Centre or Group: Centre for Sports Engineering Research
Depositing User: Carole Harris
Date Deposited: 02 Aug 2010 16:18
Last Modified: 02 Aug 2010 16:18
URI: http://shura.shu.ac.uk/id/eprint/2309

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