Abs exercise 1: Incline Bench Sit-up
Abs exercise 2: Flat Bench Lying Leg Raise
Lie on the bench or on the floor with your legs straighten. Position your hands under your butt with your palms down. Keep your legs straight and your knees locked. Raise your feet as vertically as possible.
Abs exercise 3: Seated Jackknife
Sit on the edge of a bench and hold the seat behind your back for support, extend your legs in front of you, knees bent slightly. Raise your leg toward your chest and bring your chest toward your knees.
Abs exercise 4: Twisting Hip Raise
Lie on your back with your legs projecting straight upward and hands by your sides. Push upward with your feet by raising your hip off the floor simultaneously, twisting them to one side.
Abs exercise 5: Hanging Legs Raise
Equipment: Horizontal Bar