Heartless Workout [ How-To ] [ One Set ] by #DAREBEE (opens in new tab)

Heartless is a cardio workout that keeps your heart rate high and gives it very little time to negotiate\. Jack burpees and jumping jacks alternate throughout the round, with each jack burpee acting as a full-body intensity spike - floor to standing, every time - before the jumping jacks keep the rhythm going\. The shoulder taps at the end switch the focus to core and upper body stability, giving your legs a brief change of pace while your plank position makes sure nothing actually gets easy\...