Sit sideways on the box with one shin in line with the front part of the box and the other leg extended long against the platform strap. Bring your foot to the front of the platform and place your hands at heart centre to prepare. Lower down away from the foot, extend your arms to a T, then rise up three-quarters of the way, using dumbbells in both hands.
3R.
Down or up.
Short Box.
Inhale to lower, exhale to extend. Inhale to prepare, exhale to rise.
Develop strength of the core, internal and external obliques, and scapular stabilisers.
Dumbbell needed.
Progression: Hold the eccentric phase for longer.
Regression: Keep one hand on the headrest – no weights.