Kershel's New Dance Fitness Program KERBOOMKA engages your core by crunching and twisting your abs while you are learning rhythm and hip hop inspired movement. Not only does it strengthen your muscles, but also it aims to stimulate and strengthen your mind. “Kerboomka gives people of all ages, the opportunity to learn choreography and to discover their love of dance.” says Kershel. Kerboomka has opened up a new chapter for Kershel and is spreading like wildfire nationally and internationally.