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The complexity of shoulder mechanics combined with the movement of skin relative to the scapula makes it difficult to measure shoulder kinematics with sufficient accuracy to distinguish between symptomatic and asymptomatic individuals. Multibody skeletal models can improve motion capture accuracy by reducing the space of possible joint movements, and models(More)
In order to create musculoskeletal models that can be scalable to different subject specificities the calculation of the exact locations of muscle attachment is required. For this purpose, a scaling method is presented that estimates muscle attachment locations in homologous segments using three bony landmarks per segment. A data-set of 17 muscles'(More)
BACKGROUND Although an altered scapulohumeral rhythm is believed to be related to some shoulder dysfunctions, there is scarce evidence on the scapulohumeral rhythm and shoulder muscle activation patterns in subjects with glenohumeral instability. METHODS Six subjects with glenohumeral instability performed arm elevation in trials of 8 successive(More)
Personal Area Networks (PANs) used around the Human Body, often called Body Area Networks (BANs), are being developed in order to provide reliable communication services between personal devices, gadgets and sensors. Capacitive Body Coupled Communications (BCC) are promising to overcome existing problems of available commercial solutions (like Zigbee and(More)
Our aim was to verify the concurrent validity of a maximal taekwondo specific test (TST) to predict VO2max through an explanatory model. Seventeen elite male taekwondo athletes (age: 17.59 ± 4.34 years; body height: 1.72 ± 6.5 m; body mass: 61.3 ± 8.7 kg) performed two graded maximal exercise tests on different days: a 20 m multistage shuttle run test (SRT)(More)
Three-dimensional (3D) kinematic biofeedback can help identify scapular movement disorders and assist the subjects' motor relearning process by facilitating changes in physiological and biomechanical function through real-time knowledge of performance and result during or immediately after a task execution. This study assessed the effectiveness of 3D(More)
To my parents and grandparents vi Acknowledgements This chapter in my life would not have been possible without all the emotional and scientific support of many people who have accompanied my route through these last years. First, I would like to demonstrate my sincere gratitude to my advisor, Professor Hugo Gamboa, for the opportunity he gave me. I am very(More)
Emerging evidence suggests that scapular-focused therapeutic exercises hold promise for shoulder dynamic stability retraining. While recent findings show that therapeutic exercises can alter scapular neuromuscular function measured with muscle electromyography, no study has yet addressed the effects of kinematic biofeedback for improving scapulothoracic(More)