Charlie or anyone else that can help me I am curious as to the appicability of the 45 degree reverse hyper and a machine called the tred sled for developing team sport athletes as well as for track sprinters. Here are two videos. To me they seem like they would go well with the exercises in the GPP.
http://www.flexcart.com/members/elitefts/default.asp?cid=167&m=PD&pid=824