Directions – This is a Tabata workout: 20 seconds of a very high intensity exercise (e.g., sprints, burpees, squat jumps, etc.) followed by 10 seconds of rest. Repeat exercises A. and B. 4 times each for a total of 4 minutes per set. Set 1 A. Mountain climbers B. Dead bugs Set 2 A. Runners lunge B. Spider pushups …
