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Reflex sympathetic dystrophy of the left hand and motor impairments of the unaffected right hand : Impaired central motor processing ?
RIBBERS GM; MULDER T; GEURTS AC
ARCH PHYS MED REHABIL , 2002, vol. 83, n° 1, p. 81-85 Doc n°: 103991 Localisation : Documentation IRR Descripteurs : DD85 - PATHOLOGIE - MAIN-DOIGTS
Article consultable sur : http://www.archives-pmr.org
OBJECTIVE: To test whether central motor processing can be impaired in chronic reflex sympathetic dystrophy (RSD). DESIGN: Experimental 2-group analysis. SETTING: Tertiary care center in the Netherlands. PARTICIPANTS: Five patients with stage 3 RSD of the left forearm, free of symptoms and complaints in the right forearm; and 10 healthy control subjects. INTERVENTION: On a digitizer, RSD patients and controls had to draw 3 sequences of graphemes of different complexity with their (unaffected) dominant right hand. The drawing tracks were segmented in time periods between points of velocity minima of the pen tip. MAIN OUTCOME MEASURES: Mean velocity, coefficients of variation of both length and movement time per segment, and mean intersegmental pausing time were calculated for each sequence. RESULTS: A repeated-measures analysis of variance by using the multivariate method yielded a 35% lower mean velocity (F(1,13) = 5.83, P =.031), a 110% larger segment length variability (F(1,13) = 9.72, P =.008) and a 60% larger variability of movement time per segment Langue : ANGLAIS Identifiant basis : 2002219966 |
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