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Postural instability is characterized as a loss of balance because of loss of postural reflexes (Jankovic, 2008).
Although published CPT data are lacking for PTSD, it is well documented that postural instability is associated with anxiety disorders in general [35].
Unfortunately there is no pharmacologic therapy for postural instability which may lead to fall.
Parkinson's disease (PD), a neurodegenerative disorder, is characterized by the selective degeneration of the nigrostriatal dopaminergic neurons, continuing or permanent deficiency of dopamine, accretion of an abnormal form of alpha synuclein in the adjacent neurons, and dysregulation of ubiquitin proteasomal system, mitochondrial metabolism, permeability and integrity, and cellular apoptosis resulting in rigidity, bradykinesia, resting tremor, and postural instability.
Aside from the more commonly known motor symptoms such as tremors and postural instability, other symptoms include dementia, sleep disturbance and sensory abnormalities.
The authors noted that they paid "particular attention to the main axial, non-motor, and psychiatric symptoms," assessing subjects for falls, postural instability, non-levodopa responsive gait freezing, urinary incontinence, dysphagia, and speech difficulty.
Buckley JG, Anand V, Scally A and Elliott DB (2005): Does head extension and flexion increase postural instability in elderly subjects when visual information is kept constant?
Therefore, high values of Acp indicate a great postural instability, while high values of Vcp indicate a great balacing activity (Asseman et al.
Put yourself in the "shoes" of a child with postural instability and asking them to sit a table for any length of time.
006) with the overall SOT composite score; however, the only condition with a significant relationship between visual status and postural instability was the performance of the visually impaired group in Condition 4 (r = -.
Postural instability is tested with the Pull Test, in which the patient stands erect with eyes open and feet comfortably apart.