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Updated: Feb 10, 2026

Capturing Dynamic Finger Gesturing with High-resolution Surface Electromyography and Computer Vision
Published on: March 28, 2025
Differentiation of childhood body gestures
Abstract:
9 expressive body gestures were recorded while 180 boys and girls of three age groups (4--5 yr., 7--8 yr., and 10--11 yr.) individually performed a standardized play task. Analysis of variance showed a significant overall difference in gestures between the sexes, and 5 of the gestures ("limp wrist," "arm flutters," "flexed elbow," "hand clasp," and "palming") occurred significantly more frequently in girls than boys. There was an interaction between sex and age for the "hands-on-hips with fingers forward" gesture. No differences associated with sex of experimenter were found.
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