Now I don't want scare you off, yet it is important to keep yourself informed that understanding you accomplish is a good idea. There's something you really need to consider, before under taking any exercise, and yet - nutrition, workout strategy and the appropriate technique necessary to avoid injury. Now there's plenty of information in existence on these topics, from both on / off line equipment. But beware, because a lot of this information could be out dated, or just written simply as a sales pitch to sell more wares.