Given the anatomical proximity of the hip joint and lumbopelvic region, a number of investigators have focused on the relationship between hip joint mobility and low back pain (LBP). The interest in hip motion and LBP is based on the hypothesis that limited hip motion will contribute to increased forces, with some of the increased forces potentially resulting from compensatory motion of the lumbopelvic region. The proposed result is an increase in low magnitude loading, accumulation of tissue stress in the lumbopelvic region, and eventually LBP symptoms (Sahrmann, 2002). In particular, many studies have focused on the relationship between hip rotation motion and LBP.