These 50 tough exercises tax the core like no other—and all you need are the balls to do them. Whichever moves you pick, time each set for 30 seconds to a minute, resting a minute between, and aiming for three or four goes. 1. Stability Ball: Ball Pass. Lie on your back, holding the stability ball overhead.

Discover a 10-move medicine ball ab workout that may enhance core strength. Perfect for all fitness levels, this routine might transform your gym sessions.

Build strength and stamina with these 14 weighted medicine ball exercises to sculpt and tone your arms and shoulders while working your core and lower body. The medicine ball exchange is a great warm-up exercise for your arms and shoulders and a surefire way to increase your heart rate.

Try these 10 stability ball exercises that can be done in the gym or at home. 1. Stability Ball Jackknife. Get in a high-plank position with your hands directly underneath your shoulders and your shins on top of a stability ball. Brace your core to keep your body in a straight line from head to toes. This is your starting position.