This study compares two methods to quantify the amplitude and frequency of head movements in patients with head tremor: one based on video-based motion analysis. and the other using a miniature wireless inertial magnetic motion unit (IMMU). Concomitant with the clinical assessment of head tremor severity. head linear displacements in the frontal plane and head angular displacements in... https://parisnaturalfoodes.shop/product-category/adult-toothbrush/