When you hear "ab workout," your mind probably goes to sit-ups and crunches, lying on your back. Yet research shows that these aren’t actually the best exercises for targeting the muscles in your ...

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Add Yahoo as a preferred source to see more of our stories on Google. Our core is made up of four muscle groups that are essential to everyday movements, like walking and lifting. And when people ...

Our core is made up of four muscle groups that are essential to everyday movements, like walking and lifting. And when people think about core strengthening, crunches are often the first thing that ...