Early as 20 years ago, we collaborated on the ideation and design of wearable devices and signal processing tools for assessing movement in healthy subjects and in those with central and peripheral nervous system disorders. This was made at the Laboratorie de Cinésiologie of the University Hospital of Geneva, directed by Prof. Yves Blanc.

Wearable gloves for the assessment of parkinsonian tremor 

In particular, through a custom-made glove instrumented with a 3-axial accelerometer and gyroscopes, we were able to quantify the acceleration of the hand during the typical tremor of parkinsonian patients and of patients with different kind of tremors and dyskinesia. 

The data were analyzed in the time domain, in the frequency domain with a spectral analysis and in the time-frequency domain.

The use of the glove was described in a study published in a Swiss medical Journal, the Revue Médicale de la Suisse Romande. The full paper can be downloaded here. 

posture frequency

Using a wearable device containing discrete 3D accelerometers and 3D gyroscopes we were thus able to assess the effect of a specific drug on changes in the tremors of a patient suffering from Parkinson’s disease, largely anticipating the modern tools used in everyday life nowadays, as FitBit. 

At that time, the cost for the sensors and the data acquisition electronics overcame 10k€!

a paper on the use of instrumental motion analysis