- Inhale and raise the knees as high as possible by rolling up the spine and bringing the pubis toward the sternum.
- Exhale at the end of the movement.
The exercise uses the ilopsoas, rectus femoris, and tensor fascia lata when you raise the legs and the rectus abdominis and, to a lesser degree, the internal and external obliques when you bring the pubis toward the sternum.
Small leg flutters without lowering the knees below horizontal focus the effort on the abdominal core.
