Postural stability in Parkinson's - part 1 of 2

Postural instability or poor balance, result in falls and is a risk for people with Parkinson's. Parkinson’s symptoms of bradykinesia (slowing of movement), rigidity (stiffness), impaired proprioception (sense of joint position), freezing of gait and attention on postural stability or balance have been well documented in studies as causes for the lack of stability.
Postural stability is a state of equilibrium. When you can control your body’s centre of mass, over its base of support, you remain upright and steady. In order to attain greater balance, your brain must combine information from both your nervous and musculoskeletal systems. The basal ganglia is the part of the brain impacted by Parkinson’s and the part of the brain responsible for motor control, which plays an vital role in balance.
A brain impacted by Parkinson’s can also cause delays in reaction time, speed of recovery movements, and postural “restabilising reflexes.” (So, if your body sways off its base of support, it can take too long to stabilise itself.) Which increases the risk of falling .
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