How to do it
- Lie flat on your back with your legs straight and your feet together.
- Place the band around the arches of your feet and hold the ends of the band with your hands.
- Engaging your abs, lift both legs off the ground until they are perpendicular to the floor.
- Pause for a moment at the top, then slowly lower your legs back down to the starting position.
- Repeat for the desired number of repetitions.
