Place body on declined pad in prone position with hips beneath weighted sled. Put one foot against sled platform and extend leg and hips to release locks. Grasp side handles.
Flex leg and hips to lower sled until knee is almost completely flexed or thigh is just before resting completely on upper body. Return, keep knee slightly flexed. Repeat.
Hips have to stay on pad. Lower sled just before hips may raise off pad. Position foot slightly eccentrically on platform. Knee pointa in same direction as foot. Heel has to stay on platform.