The XBX (Ten Basic Exercises) Plan is an exercise program developed for the Royal Canadian Air Force for women. The program consists of charts that get progressively more difficult, and takes 12 minutes per day after users get past the beginning levels. Physical fitness does not mean bulging muscles nor is it the exclusive property of men. Physical fitness has a positive effect on mental fitness. It also enhances and improves such desirable qualities as vitality, appearance, and personality. The ten exercises in this booklet have been carefully selected and their manner of use has been designed to enable women to achieve physical well being for optimum living.