Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/75742
Title: A structural equation model of the relationship between muscle strength, balance performance, walking endurance and community integration in stroke survivors
Authors: Kwong, PWH 
Ng, SSM 
Chung, RCK 
Ng, GYF 
Issue Date: 2017
Publisher: Public Library of Science
Source: PLoS one, 2017, v. 12, no. 10, 185807 How to cite?
Journal: PLoS one 
Abstract: Purpose: To use structural equation modelling (SEM) to determine (1) the direct and indirect associations of strength of paretic lower limb muscles with the level of community integration, and (2) the direct association of walking endurance and balance performance with the level of community integration in community-dwelling stroke survivors.
Materials and methods: In this cross-sectional study of 105 stroke survivors, the Subjective Index of Physical and Social Outcome (SIPSO) was used to measure the level of community integration. Lower-limb strength measures included isometric paretic ankle strength and isokinetic paretic knee peak torque. The Berg Balance Scale (BBS) and the 6-minute walk test (6MWT) were used to evaluate balance performance and walking endurance, respectively.
Results: SEM revealed that the distance walked on the 6MWT had the strongest direct association with the SIPSO score (beta = 0.41, p < 0.001). An increase of one standard deviation in the 6MWT distance resulted in an increase of 0.41 standard deviations in the SIPSO score. Moreover, dorsiflexion strength (beta = 0.18, p = 0.044) and the BBS score (beta = 0.21, p = 0.021) had direct associations with the SIPSO score.
Conclusions: The results of the proposed model suggest that rehabilitation training of community-dwelling stroke survivors could focus on walking endurance, balance performance and dorsiflexor muscle strengthening if the aim is to augment the level of community integration.
URI: http://hdl.handle.net/10397/75742
EISSN: 1932-6203
DOI: 10.1371/journal.pone.0185807
Rights: © 2017 Kwong et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
The following publication: Kwong PWH, Ng SSM, Chung RCK, Ng GYF (2017) A structural equation model of the relationship between muscle strength, balance performance, walking endurance and community integration in stroke survivors. PLoS ONE 12(10): e0185807 is available at https://doi.org/10.1371/journal.pone.0185807
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