Book front spine stretching
Book front spine stretching is an advanced spiral stabilization exercise; it assumes you have the basic series covered. Execution: spine stretching. Equipment: rope, mat. It targets loins.
Starting position: Stand on one leg facing the rope handle, the other leg rests on a mat in front of your body. Keep the entire standing leg firm, including the buttock.
Breathing in, straighten up. Raise your arms with the rope in front of your body.
The full procedure, a video with voice guidance and what to watch out for are in the Spiralista app.