Ron Woods, Christopher Jordan, Human Performance Institute
Copyright 2010

Ron Woods, Christopher Jordan, Human Performance Institute
Copyright 2010

Stella Lucia Volpe, Sara Bernier Sabelawski, Christopher Mohr
Copyright 2009

Stella Lucia Volpe, Sara Bernier Sabelawski, Christopher Mohr
Copyright 2007

Human Kinetics, Roberta Rikli, C. Jessie Jones
Copyright 2007

Human Kinetics
Copyright 2006

Walter Ettinger, Brenda Wright, Steven N. Blair
Copyright 2006

Active Living Partners
Copyright 2006

Jon Divine, American College of Sports Medicine
Copyright 2006

Carrie E. Finley, Ruth Ann Carpenter
Copyright 2005

Kerri Winters-Stone, American College of Sports Medicine
Copyright 2005

Barbara Bushman, Janice Clark-Young, American College of Sports Medicine
Copyright 2005

Patricia Brill
Copyright 2004

Steven N. Blair, Andrea L. Dunn, Bess H. Marcus, Ruth Ann Carpenter, Peter Jaret
Copyright 2002

Human Kinetics
Copyright 2001

Roberta Rikli, C. Jessie Jones
Copyright 2001