I have got my B.A.R.B test on thursday next week, I have no doubt in my mind this wil not be a problem but after this has been coplated how long is it then before the next step of being asked to attend my ADSC for my two day course ?
Also following this what sort of time scale assuming I pass this ...

I have only been training for a month or so myself and the main reason for the back pain is probably trying to do to much to start with, you have got to build up to the fitness.
also have you been road running ? this can put pressure on all of your joints and does not do you any favours... If you ...