Guest Christian Barraza G. Posted August 23, 2016 Report Share Posted August 23, 2016 El ejercicio russian twists requiere de una rotacion de espalda y cada vez que efectuo este ejercicio me duele la espalda.....¿estoy haciendo algo mal? Link to comment Share on other sites More sharing options...
victorizado Posted August 23, 2016 Report Share Posted August 23, 2016 Si, hacer russian twists. Adios. Link to comment Share on other sites More sharing options...
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