Using an exercise ball when strength training is a great way to add a little bit more challenge to basic exercises. Since you have to work hard to keep the ball in place, you end up using more muscle groups. This exercise will tone your thighs, especially your inner thighs and also your core.
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- Lie on your side on the floor with your arms crossed in front of your body. If this is uncomfortable, bend your bottom elbow and rest your head on your hand.
- Place a large exercise ball in between your feet and slowly lift the ball up toward the ceiling using only your hips and butt. Return to the start position. This counts as one repetition.
- Complete three sets of 15 reps.