Table 1 List of references that recorded the tremor using accelerometers built-in portable devices.

Salarian et al.¹⁷

Wearable device with gyroscope

Patients with Parkinson’s disease and healthy subjects

Elble²⁴

Wearable device with accelerometer

Healthy subjects

Dai et al.¹⁹

Wearable device with accelerometer and gyroscope

Patients with Parkinson’s disease and healthy subjects

Araujo et al.²⁵

Wearable device with accelerometer and gyroscope

Healthy and Patients with Parkinson’s disease

Channa et al.²⁶

Wearable device with accelerometer and gyroscope

Patients with Parkinson’s disease and healthy subjects

Kostikis et al.²⁷

Smartphone with accelerometer and gyroscope

Patients with Parkinson’s disease and healthy subjects

Fraiwan et al.²⁸

Smartphone with accelerometer

Patients with Parkinson’s disease and healthy subjects

Calvo & Ferrara²⁹

Smartphone with accelerometer

Adults with leg tremors while standing or unsteadiness when standing