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Hi -,
Today we have three killer ab moves with the medicine ball that we suggest you do for 12 minutes. High intensity interval training (HIIT) is the principle: each move you do for 50 seconds, then rest for 10, then go on to the next move. Repeat for 12 minutes.
HIIT is the most effective use of your time.
If you are going to your max effort, then resting, then going to your max again, over and over, you are burning WAY more calories than "steady state cardio," such as cycling or running. You are also burning calories for up to 24 hours after your workout with this technique.
Add this key ab workout to your weekly HIIT schedule!
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