It feels good to practice the anterior middle bundle of deltoid muscle.
When the grasping distance is narrow, the tilting force becomes larger.
I feel that trapezius muscle is used more, because deltoid muscle is not developed enough, so I have to borrow trapezius muscle. It is suggested to use a small weight first, and then change the weight after the deltoid muscle has a certain strength, so that the effect of borrowing power is much smaller. This is the so-called practice three without practicing crooked.