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Only have 10 minutes to tighten your core? This flowing plank series will give you the intensity you need if you're limited on time.
Tone, tighten and strengthen all the muscles in the entire abdominal wall in this short but effective ab workout. This workout was specifically designed for XTRAINFIT TV.
Tone up the core with these exercises that can be done as a finisher to a core/pilates and/or abs workout or do as a stand alone challenge if you are short on time.
Chisel your entire midsection and glutes with this killer workout that burns fat and sculpts lean muscles in those trouble areas. This is a great finisher to the Abs & Assets Workout.