Grip the straps and roll your arms out long.
Keep your hips tucked and back flat, never let your lower back sag.
Letting your arms travel overhead while your body leans long into the straps forces the core to resist extension, the abs fight harder with every degree your hands move away from your hips. Unlike a wheel on the floor, the straps let you set the difficulty by simply changing your body angle, steeper is easier, closer to horizontal is savage. It earns its place as a scalable anti-extension builder that grows with you from beginner lean to near-flat brutality.
It can be either, which is the beauty of it. Standing tall with a slight lean is far easier than a kneeling wheel rollout, but walk your feet back towards the anchor and it gets harder than most people's wheel work. Adjust the angle, not the exercise.
Your hips are sagging and your spine is arching as your arms travel out. Tuck your hips under, squeeze your glutes, and shorten the rollout to the range where your body stays one straight line. Ache in the abs good, ache in the back means reset.
Only as far as you can return from without your back arching or your hips breaking the line. Depth is earned. A controlled rollout to eye level beats a collapsed one overhead every single time.
