Abstract: According to the present invention, a device (100) that aids in the detection of an unfavorable movement (e g, imbalance) in individuals, such as elderly patients suffering from increased proprioception, includes a body that is constructed to be placed at a targe region of the individual The device (100) includes first and second sensors (200) that are arranged within the body and further include first and second vibrating elements (210) such that when one of the sensors is bent a predetermined extent, a control signal is delivered to the respective vibrating element to cause a vibration thereof for a predetermined time period to alert the individual of the occurrence of an unfavorable movement in the target region before an in ur results.