Lying on your back, bend the knees and pull both feet in as close to the glutes as possible. Squeeze the glutes simultaneously to begin the lift of the hips. Lift as high as you can, pause for 3 seconds at the top and then return to the floor and start again.

Lying on your back, bend the knees and pull both feet in as close to the glutes as possible. Squeeze the glutes simultaneously to begin the lift of the hips. Lift as high as you can, pause for 3 seconds at the top and then return to the floor and start again.