FIELD: sports. SUBSTANCE: device has detector I, delay members 3 and 4, flip-flops 2 and 6, AND gates 5 and 8, sonic signal generator 9, acoustic indicator 10, light indicator 7 and single pulse former 11. Detector I is made in form of two flexible conducting contact areas fixed to material strap or sports shirt. Device indicates without errors correctness of process of lifting and lowering weight at the press in lying position. Device applies a signal of permission for lifting weight and provides correctness of judging. EFFECT: widened area of application. 3 dwg
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