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

Cardio & Core Workout does exactly what it says on the label - no misdirection, no hidden agenda\. High knees drive the heart rate up while engaging the hip flexors, quads, and core in a fast, rhythmic sequence that doubles as cardiovascular conditioning\. Mountain climbers bridge the gap between the two halves of the workout's name: they're a cardio movement and a core movement simultaneously, driving the knees toward the chest from a plank position and demanding that the abs, obliques, and ...