Forward reach in crook ("Crunch" Core/abdominal strengthening, reaching forward)

Lie on your back with your knees bent and your feet flat on the floor.
Rest both arms on your thighs, or on your stomach if you cannot reach that far.
Flatten the small of your back against the floor and tuck your chin in.
Reach both hands towards your knees, curling your upper body off the floor.
Hold this position.
Keep you chin tucked in as you lie back down.