1 Device for position control gymnastic exercises comprising a position sensor (3), a plug (7), a switch (4), a power supply / electronic circuit (5) and a strip of LED'S characterized , arrangement, and distribution order of the specific and unique component parts and give the unique shape and properties is as follows: - the position sensor (3) is an electrical resistance technically called STRAIN GAGE. It is made of a copper - nickel, called constantan, which self compensates for temperature variations. This resistor is a flat coil with conductor disposed in straight and parallel sections. It is placed sandwiched between two insulation pads said pads turn between two plates (3.1) plastic. These plates (3.1) are bent by action of the weight of the athlete by a bending axis (3.2), pre-forming said placas.- position sensor (3) is arranged between the mat (2) and the sacrum gymnast (10) .- the device comprises a strip of LED's (9) arranged in the outline of the stretcher apparatus pilates (1) .- the plate (3.1) and the removable cable (3.3) have a strip replaceable paper with adhesive on both sides.
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