The york sts leg press can be used for explosive leg presses or slow controlled presses add a pair of power bands and then it is a whole different ball game york actually started life as 2 different companies the first was established in the usa in 1932 and operated in the world of olympic weightlifting and the second was established in canada in 1936 and began developing weights and benches for use in the home key features of the york sts leg press 2 x 100mm urethane wheels guide the loa