How to do it
Point your toes and keep the ankles relaxed throughout.
- 1
Lie on your back with your legs extended and hands under your buttocks for support.
- 2
Lift your legs slightly off the ground and begin to kick them up and down in a small, rapid motion.
- 3
Keep your core engaged and avoid letting your lower back arch off the floor.
- 4
Continue the flutter kicks for a set time or number of repetitions.
Expert tip
Keep your lower back pressed into the floor to protect your spine and ensure your abs are doing the work.
Common mistakes
- ✕Kicking the legs too high off the floor
- ✕Bending the knees during the kicks
- ✕Lifting the head and shoulders up