V Shape back leg on a mat
V Shape back leg on a mat is an advanced spiral stabilization exercise; it assumes you have the basic series covered. Execution: leg on a mat. Equipment: rope, mat.
Starting position: Stand on one leg with your back facing the rope handle. The other leg rests on a mat in front of the body.
Breathing in, raise your arms upward and open them to make a V shape. Keep your elbows straight with palms facing the body.
The full procedure, a video with voice guidance and what to watch out for are in the Spiralista app.