Fitsteps For All Bodies. Fitsteps FAB is an organic extension of the original FitSteps format. During the FitSteps training days a constant stream of FitSteps instructors were asking us to create a programme to cater for the older adult and more sedentary participant, So here it is – FitSteps FAB ‘for all bodies’ The steps are lower impact and easier to follow and now you can learn new dance genres