Activate Running Muscles With Side Step-Ups
This aerobics-inspired exercise targets key muscles that runners need worked.
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This is an exercise that will remind you of those aerobic television shows ESPN used to show on weekday mornings. But side step-ups work the core, the hips, the quads and back muscles—all excellent for runners.
Do each leg 2-4 times, 6-10 reps each.
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