Push-ups are a staple of fitness workouts, but they're also great as a foundational exercise you can build upon. You can increase the degree of difficulty by a considerable margin just by adding an extra element to a push-up. In this case, the side plank ramps up the quality of the workout.

While still working out your upper-body muscles, a side plank extension helps activate your core and stabilizing muscles. Watch our video with Travelle Gaines for guidance on the proper technique for a push-up to side plank.

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