Workout Plans
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Per Bernal
Per Bernal

Day 2 : Cardio Intervals

Duration 25-35 min.
Equipment Yes

Choose a cardio machine (stationary bike, treadmill, elliptical, stairs). Warm up for 5 minutes, then alternate 20 seconds of high-intensity (8 to 9 on a scale of 1 to 10) with 40 seconds of active rest.

Do 10 to 20 rounds.