... regarding the length of the two-joint knee flexors and extensors would require the incor-poration of both knee and hip angles into an anatomicalmodel [11], which is beyond the scope of this report.However, ... 2Center for Space Medicine, Cleveland Clinic, Cleveland, OH, USA, 3Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, OH, USA, 4Orthopaedic Research Center, Cleveland Clinic, ... Prietto N, Baldwin KM:Microgravity-induced transformations of myosin isoformsJournal of NeuroEngineering and Rehabilitation 2006, 3:8 http://www.jneuroengrehab.com/content/3/1/8Page 6 of 8(page...