Flutter kicks deserve some long-overdue credit. The exercise isn't just for ab-sculpting, despite its reputation. Yes, your"Flutter kicks are a great way to target the core and leg muscles. By doing them properly, you can work on core stabilization while working your quads and hip flexors for an added twist," Leada Malek, DPT, CSCS, says.core stability, and it's especially functional for everyday life! It also directly activates major lower extremity muscles.
Just keep in mind that if your lower back is arching off the ground mid-move, chances are you're lifting your legs too high — Malek says it's the most common flutter-kick mistake people make. "Additionally, letting the legs bend while fluttering and losing full knee extension can cause a lag effect and some extra strain on the low back."into extension, Malek adds.