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Estimating Throwing Speed in Handball Using a Wearable Device.
Sebastian D Skejø1, Jesper Bencke2, Merete Møller3
1Department of Public Health, Aarhus University, 8000 Aarhus, Denmark.
Sensors (Basel, Switzerland)
|September 4, 2020
Summary
This study developed a cheap, accelerometer-based method to estimate handball throwing speed. The novel approach accurately predicts throwing velocity from wrist acceleration, aiding sports science research.
Area of Science:
- Sports Science
- Biomechanics
- Engineering
Background:
- Throwing speed is crucial for shoulder load in handball, but current measurement technologies are limited in field settings.
- Accurate estimation of throwing speed is essential for understanding and preventing shoulder injuries in athletes.
Discussion:
- A novel, low-cost accelerometer-based device was developed to estimate handball throwing speed.
- The method utilizes wrist acceleration data and cross-validation to create predictive models.
- The models demonstrated high accuracy and calibration, with R2 values ranging from 0.71 to 0.86.
Key Insights:
- The developed method provides a feasible and inexpensive way to measure throwing speed in handball.
- Predictive models accurately estimate throwing speed using peak wrist acceleration, sex, and throwing type.
- The system is effective for analyzing individual throws from wrist acceleration signals.
Outlook:
- This technology can be applied to various throwing sports to assess performance and injury risk.
- Further research could refine the models for different athlete populations and throwing techniques.
- The low cost and portability make this method accessible for widespread use in sports training and research.
