Sitting on the box, hands on hips, feet positioned under the platform strap, hinge backwards from the hips to create a long line through the spine.
2R, 1B.
Down or up.
Short Box.
Inhale to prepare, exhale to find the hinge.
Develop muscular strength and endurance of the transverse abdominis, rectus abdominis, pelvic floor, multifidus, and internal obliques.
Option to add a ball for the lower back.
Progression: Hands out in front.
Regression: Make the hinge smaller or add a ball behind the back for support.