While sit-ups and crunches are an effective way to train your core, you can work your abs just as well with a standing abs workout, and this 12-minute dumbbell workout not only hits the core but also ...
What are some things you can do in 10 minutes? Take a shower, load the dishwasher, make a sandwich—or work through this quick abs-strengthening routine. This super-short sequence, created by PT duo ...
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