Non-motor Symptoms, Balance, Muscle Strength, and Functional Mobility in Patients With Parkinson's Disease

The purposes of this study is to examine balance, muscle strength, and mobility in relation with non-motor symptoms (NMSs) in patients with Parkinsosn's Disease (PD). NMSs have been shown to be the key determinant of health-related quality of life (HRQoL) and have a greater effect on HRQoL compared to motor symptoms.Despite a growing literature on NMSs, there are few data on the association between NMSs and motor phenotypes of PD, and they have usually focused only on specific domains of NMSs, such as cognition, mood/anxiety issues, or sleep disorders. When literature is examined, there is no study which examines balance, muscle strength, and mobility in relation with NMSs in patients with PD.For all these reasons, we think that balance, muscle strength, mobility, and NMSs in patients with PD are worse than those of the healthy individuals and that there is a relationship between NMSs and motor symptoms.