Cross-sectional associations between trunk muscle composition, back pain, and physical function in the health, aging and body composition study.
Hicks GE, Simonsick EM, Harris TB, Newman AB, Weiner DK, Nevitt MA, Tylavsky FA. Cross-sectional associations between trunk muscle composition, back pain, and physical function in the health, aging and body composition study. J Gerontol A Biol Sci Med Sci. 2005 Jul; 60(7):882-7.