14-DAY AB ATTACK | Day 5: “30 Min. Standing Cardio Abs Tabata Workout”

Between this workout and yesterday’s workout, I somehow hurt my lower back and it hurts intensely. I don’t know if I can keep going with this ab-attack/challenge. Maybe, I’ll take a few days off and get back soon. Would you be interested in joining this challenge? Please like, comment, share…

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