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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
Kinematic aiming task: Measuring functional changes in hand and arm movements after botulinum toxin-A injections in children with spastic hemiplegia
American Journal of Physical Medicine and Rehabilitation, Volume 86, No. 7, Year 2007
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Description
OBJECTIVE: To describe different aspects of a kinematic aiming task (KAT) as a quantitative way to assess changes in arm movements within 2 wks after botulinum toxin-A (BTX-A) injections in children with spastic hemiplegia. DESIGN: Intervention study randomized clinical trial; follow-up within 4 wks after baseline measurement. RESULTS: The KAT gave a high intraclass correlation on movement time, spread of end points (END), and index of performance effective (IP-E). After BTX-A, a significant increase of END and IP-E was shown if precision demand in the KAT was high, whereas the inverse occurred when speed was more important. These functional changes coincided with a significant decrease of the maximum voluntary contraction of the flexor muscles of the forearm. Muscle tone measured with the Ashworth scale did show a nonsignificant decrease of muscle tone, as did the stretch restricted angle and the active and passive ranges of motion of the elbow and wrist. CONCLUSIONS: Muscle force decreased immediately after BTX-A, showing the direct effect of BTX-A. The KAT is an adequate, reproducible way to quantify functional changes after BTX-A in the upper limb. BTX-A has an inverse effect in the precision task when accuracy is important, and it has a positive effect when speed prevails. © 2007 Lippincott Williams & Wilkins, Inc.
Authors & Co-Authors
Rameckers, Eugène A.A.
Netherlands, Nijmegen
Radboud Universiteit
Netherlands, Maastricht
Maastricht Universitair Medisch Centrum+
Netherlands, Breda
Avans University of Applied Sciences
Netherlands, Nijmegen
St. Martin Clinic, Nijmegen
Duysens, Jacques E.J.
Netherlands, Nijmegen
Radboud Universiteit
Netherlands, Nijmegen
St. Martin Clinic, Nijmegen
Vles, Johan S.Hans
Netherlands, Maastricht
Maastricht Universitair Medisch Centrum+
Smits-Engelsman, Bouwien C.M.
Netherlands, Nijmegen
Radboud Universiteit
Netherlands, Breda
Avans University of Applied Sciences
Belgium, Leuven
Ku Leuven
Netherlands, Nijmegen
St. Martin Clinic, Nijmegen
Statistics
Citations: 15
Authors: 4
Affiliations: 5
Identifiers
Doi:
10.1097/PHM.0b013e31806dbc3c
ISSN:
08949115
Research Areas
Maternal And Child Health
Study Design
Randomised Control Trial
Cohort Study
Study Approach
Quantitative