Skip the crunches! Try these 7 standing core exercises for a stronger, sculpted midsection—no floor work required.

All right, guys, we are going to do a 10 minute medicine ball workout-- five ... Reach out with the ball into the same side as the leg. All right, so out with the right leg, ball stretches out ...

3. Add more resistance to this exercise by holding a medicine ball or dumbbell with both hands. Twist the ball towards each knee when you do the crunch on each side. 4. If you want to modify it to ...