TY - BOOK AU - Norris,Christopher M. TI - Back stability SN - 073600081X AV - RD771.I58 N67 2000 U1 - 617.5/64 21 PY - 2000/// CY - Champaign, IL PB - Human Kinetics KW - Backache KW - Treatment KW - Prevention KW - Exercise therapy N1 - Includes bibliographical references (p. 255-262) and index ER -