'The XBX Plan for Physical Fitness has been designed for varying age groups covering women members of the Royal Canadian Air Force, Royal Canadian Air Cadets, and dependent children.
A similar exercise program for RCAF male personnel has been published under the title "5BX Plan for Physical Fitness" '
XBX = 10 Basic Exercises
5BX = Five Basic Exercises
Published by Canadian Government under Crown Copyright in 1962
Last page has single sentence on it: 'Wishing is not good enough'.
