REQUIREMENTS FOR NOTICE OF A CORRECT OR FALSE RECEIPT

摘要

The invention relates to a device (1) for placing on a person's head (2) to indicate correct or incorrect upright posture during the performance of various activities in a standing or sitting position. The device comprises a balance element consisting of a fixed body (4) which is firmly secured to a headband or similar for attachment to the head (2), and a moveable body (5) which is translationally moveable relative to the fixed body (4), essentially in a plane parallel to or coincident with the main plane of the fixed body (4), whereby the moveable body (5) is designed to move translationally relative to the fixed body (4) when a certain degree of deviation from the correct head position occurs.