Lying on one side, place a ball under your head. Push your glutes to the back of the carriage, keeping your shins in line with the front of the carriage to create two 90-degree angles. Place your top foot in the long strap and push your leg away from your centre point.
1B, 1Y.
Down or up.
Exhale to press, inhale back to centre.
Develop strength of the core, internal and external obliques, scapular stabilisers, gluteals, and hamstrings.
Ball needed.
Progression: More springs.
Regression: Fewer springs.