RT Journal A1 Wilson, Frank C. A1 Esther, Robert J. T1 Development and Use of a Second-Year Musculoskeletal Organ-System Curriculum: A Forty-Year Experience JF The Journal of Bone & Joint Surgery JO The Journal of Bone & Joint Surgery YR 2010 FD September 1 VO 92 IS 11 SP e14 1 OP 5 DO 10.2106/JBJS.I.01514 UL http://dx.doi.org/10.2106/JBJS.I.01514 AB The rationale for a preclinical musculoskeletal course lies in the prevalence of musculoskeletal diseases, injuries, and disorders. More than 30% of Americans have a musculoskeletal condition requiring medical attention, and workers in the United States miss nearly 440 million days of work annually because of musculoskeletal injuries1. Musculoskeletal disorders cost the United States nearly 850 billion dollars yearly and are the leading cause of disability in the United States1.