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Optimised performance of the backward longswing on rings
Maurice R Yeadon1, Mark A Brewin
1School of Sport and Exercise Sciences, Loughborough University, Loughborough LE11 3TU, UK.
Journal of Biomechanics
|February 26, 2003
Summary
Elite gymnasts can achieve a near-stationary handstand after a backward longswing on rings. Optimizing technique in a 3D model reduced residual swing to 0.6 degrees, crucial for competition scoring.
Area of Science:
- Sports Biomechanics
- Gymnastics Performance Analysis
Background:
- Elite gymnasts perform backward longswings on rings, with penalties for residual motion.
- Previous models (Sprigings et al., 1998) showed >3 degrees residual swing from a still handstand.
Purpose of the Study:
- Investigate performing a backward longswing with minimal residual motion.
- Utilize a 3D simulation model incorporating lateral arm movements and apparatus elasticity.
Main Methods:
- Developed a 3D simulation model of a gymnast on rings.
- Incorporated lateral arm movements and apparatus elasticity.
- Optimized gymnast technique to minimize residual swing.
Main Results:
- Optimized simulation achieved 0.6 degrees residual swing from a 2.1-degree initial swing.
- Model accurately simulated gymnast/cable orientation, tension, and extension (RMSD: 3.2°, 1.0°, 270N, 0.05m).
- Timing of technique changes within 15 ms critical for <2 degrees residual swing.
Conclusions:
- Achieving a near-stationary handstand in backward longswings is possible with optimized technique.
- Precise timing (within 15 ms) of body configuration changes is essential.
- This research provides biomechanical insights for improving gymnastics performance.