TY - BOOK AU - Earle, Roger W. AU - Baechle, Thomas R. TI - NSCA's essentials of personal training SN - 9780736000154 U1 - 613.7 PY - 2004/// CY - Hong Kong PB - National Strength & Conditioning Association KW - Respiratory systems KW - Biomechanics KW - Skeletal systems KW - Phychology KW - Medical clearance KW - Exercise technique ER -