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  • Title: [Investigation of gait of patients with idiopathic scoliosis and the influence of the Milwaukee brace on gait (author's transl)].
    Author: Güth V, Abbink F, Götze HG, Heinrichs W.
    Journal: Z Orthop Ihre Grenzgeb; 1978; 116(5):631-40. PubMed ID: 716552.
    Abstract:
    We investigated 42 juvenile patients with idiopathic scoliosist, 37 of them were provided with a Milwaukee brace and treated physically. The electromyographic activity of the musculi erectores trunci and the musculi glutaei medii were recorded during walking and standing on one leg. Simultaneously the motions of the trunc and the pelvis in the frontal plane were registered and calculated. Results without the brace: During walking the activity of the erectors trunci predominates on the convex side of the curvature of the spine. This applies as to the functional curve. The M. glutaeus medius shows an increased activity on the contralateral side of the overhang of the trunc. The priodical shifts of the trunc to the right and to the left during walking decrease with increasing activity of the M. glutaeus medius. In this way, we show the stabilizing influence of this muscle upon the statics of the spine. This should be especially considered with regard to the physical treatment of the patients. Results with the brace put on: There is only little influence of the brace upon the electrical activity of the musculi erectores trunci: we could not detect any activating ore inactivating effect of the brace. The amplitude of the periodical shifts of the trunc and the perlvis during walking is reduced by the brace. At the same time we found a greater activity of the musculi glutaei medii than with the brace taken off. We suppose that the reduced shifts of the trunc and the pelvis involved by the brace force a greater activity of the glutaeus medius.
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