Sculpted abs can be achieved without fancy equipment ... Lie on your back, lift shoulders, touch opposite elbow to knee alternatingly. Perform 15-20 reps per side for oblique strength.
Getting your abs to look defined requires a mix of exercise ... motion with your legs while bringing the opposite elbow to the knee that's coming up. Repetitions: 3 sets of 20 reps per side.
These standing HIIT workouts for your abs provide a comprehensive approach ... Lift your right knee toward your right elbow while crunching your torso to the side. Return to the starting position ...