This is a great exercise to prepare the body from spinal rotation . It also brings awareness on our obliques abdominals.
Muscle focus :
Oblique abdominal mauslces
Objectives :
To improve flexibility for spinal rotation
To increase pelvic-lumbar stability
increase abdominal control
Reference : Serap Erbas demonstrates the exercise.
To reach Serap on you tube channel the link is below;
https://www.youtube.com/channel/UCrCF--SqjEnuXyA13Rmlx0Q