What is the active swing of Yizhichan massage?

Forearm.

Because you need to use your forearm to drive your fingers to move when you use one-finger Zen massage, you mainly use your forearm as an active swing.

One-finger Zen massage refers to a method of treating the treated part by driving the wrist and thumb through forearm swing, which can be divided into one-finger Zen fingertip massage, one-finger Zen forward massage, one-finger Zen belly massage and one-finger Zen finger massage according to clinic.