Article

PURPOSE: To evaluate changes in temporal and
amplitude movement accuracy with tasks requiring fine motor manipulation with and
without the use of the index finger (WIF). PARTICIPANTS: Twenty right-handed
participants (10 males, 10 females, aged 24-47 years) were recruited. METHODS:
Three objects, ranging in weight and size, that required the use of 2 or 3
fingers were selected for this study. Motor performance was quantified during
manipulation of a pen, cork, and wine glass using a computerized visual guided
tracking task. The miniBird (Ascension Technology, Burlington, VT, USA) miniature
motion tracking sensor was attached to each object to measure and record the 3D
linear and angular motion. RESULTS: Task performance and temporal accuracy of the
pen task in the normal condition was more accurate (P=.033). During the WIF
condition there was significantly more motion performing the wine task (P<.001).
CONCLUSIONS: The protocol directly measures the ability of the hand to coordinate
movement in response to a visual tracking target. Both temporal accuracy and
amplitude consistency can be objectively evaluated. The current study evaluates
the ability of the hand to manipulate 3 objects used in fine motor manipulation,
using motion analysis and visual tracking. LEVEL OF EVIDENCE: 3b.
CI - Crown Copyright (c) 2010. Published by Elsevier Inc. All rights reserved.

Langue : ANGLAIS