Sit-up

How to do it

1. 1 Lie down on your back with knees bent to nearly 45 degrees and feet flat on the ground.
2. 2 Contract your abdominal muscles and lift your upper body off the floor, bringing your body towards the thighs until your abdomen touches the thighs.
3. 3 Slowly return to the lying position and repeat the movement.

Tips

• Keep your feet flat on the ground, and do not move them.
• Do not lift your buttocks off the floor.
• Maintain a smooth breathing rhythm throughout the exercise.