To provide some methods and devices for incorporating or achieving communication interfaces (one or a plurality of wearable devices, or connectivity options (including WWW, IP, LAN, WAN, addition/comparison monitoring/detection or calculation system, SAAS(including cloud computing service or NAS, peer to peer connection or the like)).SOLUTION: There is provided a device for determining and monitoring neurological or muscle disorder, the device comprises: a sensor for acquiring an electromyogram (EMG) signal of a subject, the EMG signal being used for determining a rem stage of sleep, EMG signal being used for determining presence of atony, the EMG signal being used for determining presence of rem sleep behavior disorder (RBD), the sensor being used for acquiring a signal for measuring or monitoring walking of the subject.SELECTED DRAWING: Figure 1
DEVICE FOR DETERMINING AND MONITORING NEUROLOGICAL OR MUSCLE DISORDER, AND METHOD FOR DETERMINING MOTOR IMPAIRMENT