PD	Parkinson’s disease
PwPD	People with Parkinson’s disease
IMU	Inertial measurement unit
DOF	Degrees of freedom
MDS-UPDRS	Movement Disorder Society Unified Parkinson’s Disease Rating Scale
IoT	Internet of Things
PT	Physical therapy
ADC	Analog to digital converter
MQTT	Message Queuing Telemetry Transport
UTC	Universal Time Coordinated
PSD	Power spectral density
RMS	Root mean square
ZCR	Zero crossing rate
AU	Arbitrary units