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The intended use of the ZEGRA Posture Trainer is a postural reminder for people who have the habit of slumped posture, who wish to be reminded of their posture whenever they slump beyond a predetermined limit, and who have the ability to correct their posture, The ZEGRA Posture Trainer's feedback helps to reduce slumped posture within this population. The intended use is for Prescription Use and Over-The-Counter Use.

The ZEGRA Posture Trainer is worn and looks just like the predicate posture trainer by the name of SPINE TUNER (510k Number: K951244). It is strapped around the chest with a belt or a bra. All electronic components sit in a little plastic case. The case contains a part that is moved when the user slumps. This movement is picked up by a sensor within the case. When the ZEGRA Posture Trainer is switched on, a microprocessor records the current posture as posture threshold. Thereafter, the ZEGRA Posture Trainer will vibrate whenever this threshold posture is reached or surpassed by slumping too much. The user has a choice of immediate feedback or feedback with a few seconds delay. The ZEGRA Posture Trainer has no cables and no options for connecting with other devices. It is exclusively battery powered.