Sit-up benches rest at an incline to make sit-ups more challenging and effective. Sit-ups done on an incline bench work the rectus abdominis, obliques and hip flexors. Performing sit-ups using a sit-up bench is an effective way to achieve six-pack abs.Continue Reading
Perform five minutes of cardio exercise to warm up your muscles before starting your sit-ups. Stretch the abdominal muscles with a few trunk rotations.
Set the bench at your preferred angle of incline. The steeper the angle, the more you get out of the exercise. Start with a 30-degree angle if you aren't sure how much you can manage.
Sit on the lower end of the sit-up bench. Tuck your feet under the supports or foot strap at the upper end. Lie down on the bench with your back flat and your knees bent at a 90-degree angle. Place your hands behind your head.
Lift your torso toward your feet, exhaling as you do so. Touch your elbows to your knees without bending them forward. Lower yourself slowly back to the sit-up bench, inhaling as you do. Repeat the sit-ups until you have reached your goal or hit the point of exhaustion.