Ida Rolf’s Log Roll Technique In this week’s Technique Tuesday article and demonstration video Erik examines the abnormal positioning of the patella as a possible source of non-specific knee pain. The article describes knock-knees (genu valgum), bowed legs (genu varum), fallen arches (excessive pronation), and high arches (excessive supination), and methods to correct runner’s knee. As part of the demonstration video, Erik shares Ida Rolf’s log roll technique. Massage therapists and bodyworkers,