http://www.activebryantsystems.com TRX ALL BODY XPRESS workout provides a complete full-body work in less then 30minutes it can be done just about anywhere this one of the work out you can do it provide a well-rounded training for the entire body you take it any were you go it takes up no room and at £80 not too much money if you look to train in park in london give me a call and i show how to get the best out of your TRX personal trainer london