نتایج جستجو برای: postural instability
تعداد نتایج: 102882 فیلتر نتایج به سال:
Postural control has been widely evaluated for the normal population and different groups over the past 20 years. Numerous studies have investigated postural control in quiet standing posture among amputees. However, a comprehensive analysis is lacking on the possible contributing factors to balance. The present systematic review highlights the current findings on variables that contribute to b...
Several studies have examined postural control in dyslexic children; however, their results were inconclusive. This study investigated the effect of a dual task on postural stability in dyslexic children. Eighteen dyslexic children (mean age 10.3±1.2 years) were compared with eighteen non-dyslexic children of similar age. Postural stability was recorded with a platform (TechnoConcept®) while th...
OBJECTIVE To test the quality of postural performance in quiet upright stance in healthy young adults with vertical heterophoria (VH) within the normal range and without VH (vertical orthophoria, VO). METHODS Twenty-six subjects took part in this study. The postural stability was measured with a force platform while the subjects fixated a target at eye level in a straight ahead position, plac...
Stroke patients present with apraxic or postural deficits involving trunk movements. Praxis and posture control have been associated with the functions of the left and the right hemisphere, respectively. For the first time, in this study the occurrence of apraxic and postural components in trunk movement deficits following right and left hemisphere lesions were investigated in the same particip...
Postural and movement components must be coordinated without significant disturbance to balance when reaching from a standing position. Traditional theories propose that muscle activity prior onset create the mechanics counteract internal torques generated by future limb movement, reducing possible instability via centre of mass (CoM) displacement. However, during goal-directed reach movements ...
Parkinson disease (PD) is a progressive neurodegenerative disorder affecting 1% of people 65 years and older.1 The core symptoms include the motor manifestations of tremor, bradykinesia, and rigidity. Asymmetric onset and response to dopaminergic therapy are typical of idiopathic PD compared with other causes of parkinsonism. As the disease progresses, postural instability, motor fluctuations, ...
A 56-year-old man presented with gait disturbance, personality change, and behavioral disturbances. He subsequently developed falls, postural instability, and axial rigidity. The cognitive problems progressed and he developed aphasia and later eye movement abnormalities. He died after 9 years of disease. Experts discuss the syndromal diagnosis and predict the underlying pathology. The pathologi...
Objectives: Poor dynamic balance may expose an individual to the risk of falling. The role of proprioception systems have been well addressed in the literature; however, majority of previous studies have been conducted in static conditions. The main objective of this study was to evaluate the dynamic postural control of healthy individuals during perturbation on their base of support in eyes op...
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