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In this paper we report the preliminary results of recognition of learned subjects from unlearned ones during foot writing process using electromyogram (EMG) signals recorded from thigh and shank muscles. For proof of idea, three subjects were asked to write seven letters with foot. We recorded and analyzed the data to study the learning process in five sessions. Since previous studies have shown...
Previous studies suggested that increasing speed has an effect on human walking features such as joints and muscles range of motion, related spatio-temporal parameters and muscles activation patterns. However, such an effect on more complicated indices e.g. muscle synergies, minimum angular jerk and cross correlation between different types of biomechanical gait data has not been studied in large...
In this preliminary study we aim to extract muscle synergies in spiral tracking task when performed with the non-dominant hand, and investigate the effect of training on muscle synergies. Three young subjects who were university students (all Females, 21±1 years old, right-handed) volunteered to participate in this study. The subjects were healthy with no history of neuromuscular disease. Each subject...
In this pilot study we investigated the effects of external and internal focus of attention on motor learning and performance during learning a balance control task. Pilot experiments were conducted by instructing two groups of healthy students (right footed). In the external-focus condition, performers were conducted to focus on a marker on the wall in front of them whereas in the internal focus...
The central nervous system (CNS) uses an abundant set of joints and muscles to ensure both flexible and stable movements. How the CNS faces the complexity of control problem is not still clear. Modular control is one of the most attractive hypotheses in motor control. In this hypothesis, some motor primitives are considered as the building blocks that can be combined to present a vast repertoire of...
Behavioural evidence shows placebo modulations of motor performance. Different studies in this field supported that placebo improves sensible physical parameters such as force and speed. However, the effect of placebo on more complicated indices like harmony and symmetry of movement during gait has not been studied up to today. We explored if a placebo modulation of motor performance could affect...
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