- kraftgeräte hamburg http://www.mobilefud.com/story.php?title=kraftgeraete-hamburg-1 Reverse hypers, a schnell kraftgeräte, can be used by powerlifters for the development of their hamstrings, glutes, and lower and middle back. This fitness equipment that is patented is great for powerlifters and strength athletes and is invented by the celebrated powerlifter and strength trainer Louie Simmons. The product was patented in the year 1993. Thu, 13 Nov 2014 00:10:56 PST en