Evans James M MD posted One of the best exercises: The plank Evans James M MD Northfield, MN:

One of the best exercises: The plank

If you want an exercise that engages most of your muscles in one easy step, then you should plank. The plank is a simple, effective bodyweight exercise that strengthens your core, as well as muscles in your upper and lower body.

One of the best exercises: The plank

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