A.R.M. Bogdanski is a tool, which can be used for training all the aspects of armwrestling. Here are just some ideas about the possible angles and positions. The rest is up to your imagination, training goals and favourite exercises.
Top-Roll
Hook
Sholder-Roll
Back Pressure
Biceps
Side Pressure
Lat Pressure
Wrist Curl
Pronation
Front Wrist
Supination