Gait symmetrical indexes and their relationships to muscle tone, lower extremity function, and postural balance in mild to moderate stroke
Bovonsunthonchai, S.; Hiengkaew, V.; Vachalathiti, R.; Vongsirinavarat, M.
Journal of the Medical Association of Thailand 94(4): 476-484
2011
ISSN/ISBN: 0125-2208 PMID: 21591534 Document Number: 12743
To investigate asymmetrical gait characteristics and degree of associations between gait symmetrical indexes and clinical measures in a stroke population. Thirty patients with stroke participated in the present study. Clinical measures included muscle tone of affected hip adductors (HA), hip extensors (HE), knee extensors (KE), ankle plantar flexors (AP) and ankle invertors (AI), lower extremity function and postural balance. Symmetrical indexes of gait biomechanics included braking peak force (Y1), propulsive peak force (Y2), first peak vertical force (Z1) and second peak vertical force (Z2), step length, single support time (SST), step time, stance time and swing time were determined. The symmetrical index of force was significantly related with muscle tone and lower extremity function. Temporospatial variables significantly related to muscle tone and lower extremity function, but not to postural balance. Muscle tone and lower extremity function were important for walking efficiency as the presented relationships with symmetrical gait characteristic in patients with a stroke.
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