Slimmer, Shapely Quads In One Easy Move: Seated Sweeping Leg Lift by Slimmer, Shapely Quads In One Easy Move: Seated Sweeping Leg Liftkeep those thighs looking bikini-ready under your favorite pair of jeans with this move simple yet effective move you can do anywhere. This exercise will tone your upper legs, making them appear slimmer, while also giving you power when sprinting up hills on foot or on your bike.Sit with your legs extended in front of you. Bend your right knee and clasp your shin with both hands. Flex your left foot and lift it a few inches above the ground. Sweep it away from your body to the left (as shown above). Hold here for three seconds. Then return your leg back to center and hold for another three seconds. This counts as one rep. Keep your deep abs engaged by pulling your navel to your spine, complete three sets of 12 to 15 reps with each leg.