Kneel upright on the floor and tuck your feet under a support for stability.
Keep your hips in line with your knees, maintain a neutral spine and engage your deep abdominal muscles throughout this exercise.
Slowly lean your upper body forwards towards the floor by opening up the angle at your knees.
Control the movement using the muscles in the back of your legs
At the end of the movement, place your hands on the floor to push yourself back up to the start position.
Repeat.