Assessment needs to be comprehensive, focusing on function. A thorough history should be obtained to determine all the factors that may have an impact on the patient's functioning. These include general medical history, functional history, vocational and avocational history, living situation, and support system.
The neurodegenerative disease process of PD produces a host of physical impairments that affect the PD patient's functional mobility and ability to participate in activities of daily living. Rigidity, tremor, bradykinesia, loss of postural control, and postural instability can all be present to some degree in PD patients, and these impairments in turn affect the ability to perform gross and fine motor tasks (1,2).
Rigidity, especially trunk rigidity, negatively affects the ability to transfer when a sequence of segmental movements of several regions of the body is required. Tremor
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