How to do the Flutter Kicks
Lie on your back with hands by your sides or under your hips.
Lift your straight legs a few centimetres off the floor and press your lower back down.
Kick your legs up and down alternately with small, quick movements.
Keep going for your target time without your lower back lifting.
Sets and reps
| Goal | Sets | Reps | Rest |
|---|---|---|---|
| Holds | 3 | 20–60 s | 45 s |
Starting points from training research. Stop each set 1–3 reps short of failure.
Muscles worked
Primary
The abs flex your spine and stop it from arching. Mix crunching moves (crunches, leg raises) with anti-extension work (planks, rollouts).
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