How to do it
Press your palms firmly into the floor to brace your torso.
- 1
Lie on your back with your hands by your sides and legs extended straight up towards the ceiling.
- 2
Lower one leg towards the ground, tapping the floor with your toes if possible.
- 3
Raise the leg back to the starting position while simultaneously lowering the opposite leg to tap the floor.
- 4
Alternate tapping the floor with each leg, keeping your core engaged and your lower back pressed into the floor.
Expert tip
Keep your movements controlled and focus on using your lower abs to lift your legs, rather than swinging them up with momentum.
Common mistakes
- ✕Arching the lower back off the floor
- ✕Bending the knees during the descent
- ✕Lifting the head and shoulders off the floor