Symmetry of timing of hip and lumbopelvic rotation motion in 2 different subgroups of people with low back pain.
Van Dillen LR, Gombatto SP, Collins DR, Engsberg JR, Sahrmann SA. Symmetry of timing of hip and lumbopelvic rotation motion in 2 different subgroups of people with low back pain. Arch Phys Med Rehabil. 2007 Mar; 88(3):351-60.