Behav. Sci., Volume 13, Issue 7 (July 2023) – 97 articles
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This study compares timing and coordination of hand movements in reach-to-eat, reach-to-drink, and bilateral reaching tasks in typically developing children to understand how they adapt their reaches for different functional tasks. Kinematic parameters of average speed, straightness, and smoothness of hand movements were calculated in a convenience sample of 71 children, mean age 8.77 ± 0.48 years. Linear mixed models for repeated measures showed that hand movements were significantly faster and smoother for the reach-to-eat task, and significantly less straight for the bilateral reaching task. Hand movements were significantly straighter in the object transport phases of the reach than the prehension and withdrawal phases. These results can inform the design of rehabilitation interventions targeting arm and hand function. View this paper
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