Reliability of the American Medical Association guides' model for measuring spinal range of motion. Its implication for whole-person impairment rating.
Spine (Phila Pa 1976). 1999 Feb 1;24(3):262-8. doi: 10.1097/00007632-199902010-00013.
Spine (Phila Pa 1976). 1999.
PMID: 10025021