This exercise we usually do after arm swings. The body better to be warmed up.
The whole body has a tension, legs straight, no jumping from knee or ankle. No any band of the knee. The force comes from the arm movement. see
HeJingHan BaguaQuan, Baguazhang Teaching Taipei.
See more videos at Youtube playlists
some materials could be added from HeJingHan book:
Bagua Quan Foundation Training
Taipei Yonghe district
Class Schedule for Baqua quan application
Every Saturday AM 08:00 – 11.00
Class Schedule for Tai chi quan
Every Saturday AM 11:00 – 13.00