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INTRODUCTION: Motor imagery can be defined as a dynamic state during which a subject mentally simulates a given action. Conscious motor imagery and unconscious phase of motor planning potentially share common mechanisms. Voluntary movements, such as goal-directed reaching for an object, are those that are governed by motor programs and require planning. AIMS(S): The aim was to assess the effect of...
INTRODUCTION: Not only muscle contraction, but also muscle relaxation plays an important role for performance of voluntary movements. Most of the studies have focused on muscle contraction rather than on their relaxation. Research on motor ability has established clearly that mental practice leads to improved execution of movement. AIM(S): Assessment of the effect of a four-week mental training on...
Heightened tonic stretch reflex contributes to increased muscle tone and a more-flexed resting elbow joint angle (EJA) in patients with Parkinson’s disease (PD). Dopaminergic medication restores central nervous system (CNS) functioning and decreases resting muscle electrical and mechanical activities. This study aimed to evaluate the effects of dopaminergic medication on parkinsonian rigidity, resting...
The aim of the study was to learn cortical signal characteristics for controlling voluntary deactivation of human skeletal muscles with different speeds. This study investigated whether MRCP measures for fast knee extensor (KE) deactivation were different from those for slow deactivation. Twenty-seven healthy volunteers (22.4 ± 4.5 years) participated in the study. They performed isometric KE contractions...
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