Bottom line: Krav Maga provides a realistic and functional self-defense and physical fitness program. Krav’s philosophy from the founder Imi was to continuously refine the techniques to meet the contemporary environment. This reflects in the Krav Maga symbol circle is not closed but open; to dump the bad, and bring in the good.
Lastly, I train in Krav Maga due the ease in Kinesthetic movements. Whatever age or physical limitations, the movements flow naturally.