Squeeze and Lift Do it: Place a small ball between ankles (can be a soft weighted ball, air-filled ball, or medicine ball), and lie on right side, supporting head with bent right arm. Bend top arm and press hand on the floor in front of chest to help stabilize body. Squeeze inner thighs to secure ball. Lengthen legs and then press bottom leg up toward top to lift both legs about 6 inches off the ground. Hold for 5 counts. Do 10 reps; repeat on opposite side.