An exercise machine to train the hamstring group of muscles including a base, said base being formed of frame members, a knee rest provided upon the base, a frame member extending rearwardly supporting a cross support, whereby the exerciser rests upon the kneel rest and places his/her ankles under the...http://www.google.co.uk/patents/US8007414?utm_source=gb-gplus-sharePatent US8007414 - Exercise machine to train the hamstring group of muscles
