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The 4x4 workout. Beginner through advanced reps to give you cardio, strength, and ab exercises all in one workout. No gym or equipment needed! Could be easily mixed up using a 20 seconds on, 10 seconds active rest, repeat 4 times, tabata style.

From the Community: the 4×4 Cardio and Abs Workout

The 4x4 workout. Beginner through advanced reps to give you cardio, strength, and ab exercises all in one workout. No gym or equipment needed! Could be easily mixed up using a 20 seconds on, 10 seconds active rest, repeat 4 times, tabata style.

Mini-morning workout. Going to start getting up a little earlier and TRYING to do this in the morning before work.

Mini-morning workout. Going to start getting up a little earlier and TRYING to do this in the morning before work.