Start on your hands and knees with your hands under your shoulders and knees under your hips.
Place a resistance band under one foot with the other side looped around opposite knee.
Your knees should be hips width apart.
Keeping your back straight tighten your abdominal muscles.
Bring your knee towards chest.
Control the movement as you bring your knee back down, then repeat.
Ensure you do not arch your back or twist your hips as you do this.
