Trunk muscle dynamics in paralympic throwing: integration of computational simulation and electromyography
Keywords:
Electromyography, computational simulation, paralympic sport, muscle activationAbstract
Muscle analysis traditionally relies on qualitative observation to identify activation and contraction type during a movement. However, in athletes with disabilities, biomechanical adaptations make accurate assessment difficult. This study analysed trunk muscle activation in an elite Paralympic athlete with a transtibial amputation during the chair shot put using surface electromyography and musculoskeletal computational simulation. EMG showed that the dorsal muscles were activated at the beginning and the end of the gesture, while the abdominal muscles reached their maximum activation in the intermediate phase. For the simulation, motion capture with infrared cameras and analysis in AnyBody was used, incorporating anthropometric data of the athlete. The comparison between EMG and simulation allowed a better understanding of muscle activation patterns during the sporting gesture, providing relevant information for training and performance optimisation in athletes with disabilities.
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