Adaptive stereotypes of feet support reactions in patients with dysplastic coxarthrosis

Долганова Т.И., Тёпленький М.П., Олейников Е.В.

Abstract


The evaluation of feet support reaction has been made by podography technique in 37 patients with dysplastic coxarthrosis (at the age of 8-17 years, mean – 12.0±2.5 years). The registered types of compensatory feet reactions in patients with dysplastic coxarthrosis have no specific diagnosis and differently manifest themselves in all patients. The number of the registered types of compensatory reactions determines the decompensation degree of locomotor stereotype. Degree I – asymmetry of limb weight-bearing with respect to age-related standard, the area of center-of-pressure trajectory is increased. Degree II – additionally: the decrease of pace of walking, asymmetry of the time-related parameters of stride cycle >10%, asymmetry of back push >20% due to its decrease for the limb involved. Degree III – additionally: the decrease of the length of center-of-pressure trajectory for the limb involved, the force parameters of stride cycle are decreased with respect to age-related standard for both involved and intact limbs, there is no damper fall in the involved limb. Degree IV – additionally: the decrease of the length of center-of-pressure trajectory for involved limb and intact one with asymmetry >5 %, there is no damper fall in both involved and intact limbs, the increase of the double-support walking period duration, back/front push parameter ratio is below 1.0.

Keywords


dysplastic coxarthrosis, podography, locomotor stereotype, feet support reaction

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