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Article

Sensor-Based and Patient-Based Assessment of Daily-Living Physical Activity in People with Parkinson’s Disease: Do Motor Subtypes Play a Role?

1
Center for the Study of Movement, Cognition and Mobility, Neurological Institute, Tel Aviv Sourasky Medical Center, Tel Aviv 6492415, Israel
2
Department of Physiology and Pharmacology, Sackler Faculty of Medicine, Tel Aviv University, Tel-Aviv 69978, Israel
3
Sagol School of Neuroscience, Tel Aviv University, Tel-Aviv 69978, Israel
4
Department of Neurology and Neurosurgery, Sackler School of Medicine, Tel Aviv University, Tel-Aviv 69978, Israel
5
Department of Physical Therapy, Sackler Faculty of Medicine, Tel-Aviv 69978, Israel
6
Rush Alzheimer’s Disease Center and Department of Orthopedic Surgery, Rush University Medical Center, Chicago 60612, IL, USA
*
Author to whom correspondence should be addressed.
Sensors 2020, 20(24), 7015; https://doi.org/10.3390/s20247015
Received: 3 November 2020 / Revised: 1 December 2020 / Accepted: 5 December 2020 / Published: 8 December 2020
(This article belongs to the Special Issue Inertial Sensors for Gait Recognition and Analysis)
The benefits of daily-living physical activity are clear. Nonetheless, the relationship between physical activity levels and motor subtypes of Parkinson’s disease (PD), i.e., tremor dominant (TD) and postural instability gait difficulty (PIGD), have not been well-studied. It is also unclear if patient perspectives and motor symptom severity are related to objective, sensor-based assessment of daily-living activity in those subtypes. To address these questions, total daily-living physical activity was quantified in 73 patients with PD and 29 healthy controls using a 3D-accelerometer worn on the lower back for at least three days. We found that individuals with the PIGD subtype were significantly less active than healthy older adults (p = 0.007), unlike individuals with the TD subtype. Among the PIGD subtype, higher daily physical activity was negatively associated with more severe ON bradykinesia (rS = -0.499, p = 0.002), motor symptoms (higher ON MDS-UPDRS (Unified Parkinson’s Disease Rating Scale motor examination)-III scores), gait difficulties (rS = -0.502, p = 0.002), motor complications (rS = 0.466, p = 0.004), and balance (rS = 0.519, p = 0.001). In contrast, among the TD subtype, disease-related characteristics were not related to daily-living physical activity. Intriguingly, physical activity was not related to self-report of ADL difficulties (scores of the MDS-UPDRS Parts I or II) in both motor subtypes. These findings highlight the importance of objective daily-living physical activity monitoring and suggest that self-report does not necessarily reflect objective physical activity levels. Furthermore, the results point to important differences in factors related to physical activity in PD motor subtypes, setting the stage for personalized treatment programs. View Full-Text
Keywords: wearables; accelerometer; physical activity; Parkinson’s disease; motor subtypes wearables; accelerometer; physical activity; Parkinson’s disease; motor subtypes
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MDPI and ACS Style

Galperin, I.; Herman, T.; Assad, M.; Ganz, N.; Mirelman, A.; Giladi, N.; Hausdorff, J.M. Sensor-Based and Patient-Based Assessment of Daily-Living Physical Activity in People with Parkinson’s Disease: Do Motor Subtypes Play a Role? Sensors 2020, 20, 7015. https://doi.org/10.3390/s20247015

AMA Style

Galperin I, Herman T, Assad M, Ganz N, Mirelman A, Giladi N, Hausdorff JM. Sensor-Based and Patient-Based Assessment of Daily-Living Physical Activity in People with Parkinson’s Disease: Do Motor Subtypes Play a Role? Sensors. 2020; 20(24):7015. https://doi.org/10.3390/s20247015

Chicago/Turabian Style

Galperin, Irina, Talia Herman, Mira Assad, Natalie Ganz, Anat Mirelman, Nir Giladi, and Jeffrey M. Hausdorff 2020. "Sensor-Based and Patient-Based Assessment of Daily-Living Physical Activity in People with Parkinson’s Disease: Do Motor Subtypes Play a Role?" Sensors 20, no. 24: 7015. https://doi.org/10.3390/s20247015

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