Abstract:
:We investigated the consequences of a progressive damage to the muscular system on the organization of anticipatory postural adjustments (APA) in children with Duchenne muscular dystrophy (DMD). We used a bimanual load-lifting task requiring the stabilization of the forearm position despite its voluntary or imposed unloading. Eight children with DMD from 4 to 11 years of age were compared to eight typically developing (TD) children. Elbow angle and multiple surface EMGs were recorded and assessed the use of APA. The muscle weakness did not impair (1) the proprioceptive afference and the motor efference constituting the unloading reflex; and (2) the use of an anticipatory function in children with DMD. However, APA used for the forearm stabilization were less efficient in the group of children with DMD. We conclude that in DMD the muscular weakness could be a restraint to the efficiency of APA with respect to TD children.
journal_name
Neurosci Lettjournal_title
Neuroscience lettersauthors
Jover M,Schmitz C,Bosdure E,Chabrol B,Assaiante Cdoi
10.1016/j.neulet.2006.04.054subject
Has Abstractpub_date
2006-08-07 00:00:00pages
271-5issue
3eissn
0304-3940issn
1872-7972pii
S0304-3940(06)00452-6journal_volume
403pub_type
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