High school athletics were my first exposure to any kind of challenging fitness activity. I distinctly remember experiencing a level of soreness I did not expect or understand, which was confusing.

Start in a plank position with your hands flat on the step, slightly wider than shoulder-width apart, core engaged. If you ...

Add Yahoo as a preferred source to see more of our stories on Google. Step box training helps strengthen the lower legs and improve balance in stroke patients. A stroke can cause weakness and poor ...