Concentrate on your abs, and return your raised leg and arm to the center. Do 10-12 reps, then switch sides and repeat. 11. Plank on the Ball You will need an exercise ball for this plank variation.

Lift both legs a few inches off the ground and flutter them up and down in small, controlled motions. Perform for 1 minute. Lie on your side and lift your hips to form a straight line from head to ...

Before you risk blowing out your knees on a leg press, consider adding resistance band leg workouts to your exercise routine. The gentle but effective tool puts less pressure on your joints and ...