Popsugar Health & Fitness Leg Exercises How Do I Get Strong Calves? For Calves That Are Strong, Defined, and Hard as a Rock, Do These 6 Muscle-Building Moves 19 June 2019 by Maggie Ryan View On One Page Photo 6 of 7 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 6 Box Jumps If you're a beginner, start with step-ups instead. Stand with your feet slightly wider than your hips in front of a sturdy, short box (about 12 inches high or lower). Bend your knees, swing your arms back, and jump to the top of the box with both feet, swinging your arms forward to give you momentum. Stand, then jump lightly back to the floor or step back down. Previous Next Start Slideshow Leg ExercisesWorkouts