Thigh Blasters (Inner Thigh Toning Exercise) 1. Rip the front and back covers off an old magazine 2. Kneel on the floor and put one magazine cover under each knee. 3. Maintaining an upright position, push your knees outwards as far as you can, pause for a few seconds, and then use your inner thigh muscles (adductors) to bring your legs back. Repeat.