Postural instability and balance challenges:
Typically assessed through center of pressure (force plates); whole body measures are seldom done
Cardinal symptom of PD and is a key risk factor of falls in Parkinson patients
Traditionally examined in: older (frail) adults, post-stroke patients, and patients with Parkinson disease (PD) and other neurological conditions
Compared between those who do or do not experience freezing of gait
Has not been compared between two key PD subtypes: akinetic rigid and tremor dominant patients. Have also not been compared to healthy controls