Here are 8 advanced Ab Roller Exercises that engage all of the muscles of your core and burn your belly fat in 10 minutes. Complete 15-30 reps for each of the following exercises and you’ll get a rock-solid core in 10 days.
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This is far more versatile for abdominal roll-outs, plank walks, etc. and even allows for rolling wall squats and multiple other full-body exercises: https://www.amazon.com/smithshaper