FlexBoXX: Powered by Christina Hammer (2016)

With her fitness program for women, 4-time boxing world champion Christina Hammer shows how to keep your body healthy and fit. The self-developed training is based on exercises from boxing.
- Released
- 2016-12-16
- Runtime
- 67 min
- Status
- Released
- Directed / written by
- Timo Joh. Mayer