Tired of flexing your way to stronger muscles? Twist twerk and twirl back into shape. TwerkingTeen icon Miley Cyrus has 27 million Youtube views all thanks to Twerking. Say what? Twerking involves twisting and jerking movements of the hips that improves lower body flexibility. This seductive workout is meant to tone your core glutes hips and thigh muscles. Bokwa Robbie Williams is now into Bokwa which requires using your feet to draw letters or numbers while doing their cardio to music. It combines elements of African dance capoeira kickboxing light boxing and fancy step footwork to strengthen the feet and ankles.