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James Griffing has over 35 years experience in the field of exercise & fitness; as a former Mr Kansas, university kinesiology instructor, fitness director, collegiate strength & conditioning coach, trainer, exercise science author, and fitness consultant.
He earned both a bachelor's degree in Exercise Science and a master's degree in Kinesiology from Kansas State University. At KSU, he instructed 'Practicum In Fitness Settings' (KIN520) for 3.5 years (7 semesters) training and supervising Exercise Science students in both community and corporate fitness settings.
James is also the author and founder of ExRx.net, a free web resource for exercise professionals and fitness enthusiasts, online since 1999. Many professional organizations have endorsed ExRx.net including leading certifying organizations, medical groups, and universities. Wyle Laboratories consulted with him when they were contracted to upgrade the NASA Astronaut Fitness Manual. Other clients have included SportsQ, an Indian based youth sports conditioning startup who consulted with James for 8 months. His resources have also been used by Universities, NYPD, Human Kinetics Publishing, US Dept of Defense, and The Army Physical Fitness Research Institute.
James has trained under several mentors including Coach Jerry Palmeri (former Head Strength & Conditioning Coach for New York Giants) as an Assistant Strength Coach. Other influential mentors have included Dr Eric Serrano, MD (Physician), Coach Boris Urman (Junior World & Olympic Coach), and Dr Katherine Grunewald, PhD (Professor of Foods and Nutrition).
In addition to his duties as Principal of ExRx.net, James serves as President of TenReps.com Online Exercise Club and consults companies on occasion.
He earned both a bachelor's degree in Exercise Science and a master's degree in Kinesiology from Kansas State University. At KSU, he instructed 'Practicum In Fitness Settings' (KIN520) for 3.5 years (7 semesters) training and supervising Exercise Science students in both community and corporate fitness settings.
James is also the author and founder of ExRx.net, a free web resource for exercise professionals and fitness enthusiasts, online since 1999. Many professional organizations have endorsed ExRx.net including leading certifying organizations, medical groups, and universities. Wyle Laboratories consulted with him when they were contracted to upgrade the NASA Astronaut Fitness Manual. Other clients have included SportsQ, an Indian based youth sports conditioning startup who consulted with James for 8 months. His resources have also been used by Universities, NYPD, Human Kinetics Publishing, US Dept of Defense, and The Army Physical Fitness Research Institute.
James has trained under several mentors including Coach Jerry Palmeri (former Head Strength & Conditioning Coach for New York Giants) as an Assistant Strength Coach. Other influential mentors have included Dr Eric Serrano, MD (Physician), Coach Boris Urman (Junior World & Olympic Coach), and Dr Katherine Grunewald, PhD (Professor of Foods and Nutrition).
In addition to his duties as Principal of ExRx.net, James serves as President of TenReps.com Online Exercise Club and consults companies on occasion.
Professional Endorsements
Organizations recommending ExRx.net, the popular web resource for exercise professionals and fitness enthusiasts, created by James Griffing:
Certifying Organizations
- American College of Sports Medicine (ACSM)
- National Strength and Conditioning Association (NSCA):
- Authorized CEU provider
- Precision Nutrition
- MovNat
- Australian College of Sport & Fitness
- US Department of Defense
- The Army Physical Fitness Research Institute
- Columbia University
- Purdue University
- University of Houston
- University of Akron
- Washington State University
- Western Washington University
- Xavier College (Melbourne, Australia)
- Wiltshire College (England, United Kingdom)
- San Diego Mesa College
- University of Missouri, Columbia
- Kansas State University
- California State University, Chico
- The American Board of Family Practice (ABFP)
- Granted ABFP permission to link ExEx.net Food Exchange Calculator on the ABFP website as part of their certification program for family physicians.
- Kaiser Permanente Medical Center, Nutrition Clinic (Oakland, CA)
- ExRx.net health screening and fitness assessment tools were featured in a publication article entitled, "Pre-”Participate Health and Fitness Assessment".
Publication Grants
New York Police Department (NYPD)
- Granted NYPD permission to administer ‘Exercise Readiness Questionnaire’ to screen their staff.
- Granted permission to link to our content and publish ExRx.net exercise instruction videos in online articles.
- Granted Human Kinetics permission to republish 'Food Portion Guidelines'.
- Granted CINCH permission to republish ‘Childhood and Teenage Obesity: Intervention Strategies’.