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Updated: Aug 6, 2026

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Importance of Jumping Ability in Handball Throwing Speed and Accuracy
Published on: April 4, 2025
Effects of Practice on Speed and Accuracy in Juggling
1Department of Kinesiology, Louisiana Tech University, Ruston, Louisiana, USA.
Journal of Motor Behavior
|July 20, 2026
Summary
Participants improved juggling accuracy and speed over 18 days. Gender differences in accuracy disappeared when hand size was considered, suggesting hand-eye coordination is key for skill acquisition.
Area of Science:
- Motor skill acquisition
- Human motor control
- Skill learning
Background:
- Hand-eye coordination is crucial for daily activities.
- Juggling serves as a model for studying skill acquisition.
- Measuring speed and accuracy are key performance indicators.
Purpose of the Study:
- To investigate skill acquisition in 3-ball cascade juggling.
- To quantify changes in speed and accuracy over time.
- To explore gender differences in juggling performance.
Main Methods:
- 74 participants practiced juggling for 18 days.
- Performance metrics included number of catches and trial duration.
- Accuracy was calculated as catch probability; speed as juggling frequency (Hz).
Main Results:
- Accuracy improved from 0.67 to 0.91, with decelerating gains.
- Males showed higher accuracy, but this difference vanished after adjusting for hand size.
- Juggling speed increased from 1.2 to 2.3 Hz, with no significant gender differences.
Conclusions:
- Skill acquisition in continuous motor tasks follows a probabilistic pattern.
- Hand size, not gender, influences juggling accuracy.
- This study offers insights into sensory and motor deficits in the upper extremities.
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