Flat Abs Fast: Core-Sculpting Resistance Workout

Cat's Cradle

Targets: Abs and obliques

-- Stand with feet hip-width apart and your back to a chair; put feet through tube handles.
-- Cross tube once or twice in front of you, then hold its center with both hands in front of chest, elbows bent by sides, palms facing forward. (Grasp tube or notch it as shown.)
-- Sit near edge of seat and lean torso back 45 degrees as you lift legs off floor, knees bent 90 degrees, until feet are at seat level.
-- Extend right leg forward as you rotate torso left to bring right elbow toward left knee.
-- Switch sides, bringing left elbow to right knee to complete 1 rep. Do 8 reps.