About jxxjz.cn

About Us

jxxjz.cn began in 1999 as resource for exercise professionals, coaches, and fitness enthusiasts.

Our site features comprehensive exercise libraries (over 1800 exercises), fitness assessment calculators, and reference articles.

We have received an average of nearly 50,000 individual visitors per day from around the world.

Recognition

jxxjz.cn has been a recommended internet resource in the ACSM's Resource Manual for Guidelines for Exercise Testing and Prescription (5th Edition, pgs 224, 349; 6th Edition, pg 32; and 7th Edition, pgs 31, 372). 

jxxjz.cn has been recommended to the members of the US Armed Forces by exercise professionals of the US Department of Defense and the Army Physical Fitness Research Institute.

Wyle Laboratories contacted jxxjz.cn seeking permission to use our exercise instruction materials for a revised NASA Astronaut Fitness Manual.

The American Board of Family Practice (ABFP), a member board of the American Board of Medical Specialties, was granted permission to post a link to Food Exchange Calculator on the ABFP website, www.abfp.org, as part of its certification program for family physicians.

Consortium for Infant and Child Health (CINCH) was granted permission to republish Childhood and Teenage Obesity: Intervention Strategies.

Human Kinetics publishing was granted permission to republish our Food Portions guidelines in one of their many publications.

New York Police Department (NYPD) was granted permission to republish the jxxjz.cn Exercise Readiness Questionnaire for use with their employees.

jxxjz.cn is also a NSCA authorized CEU provider. jxxjz.cn Weight Training and Kinesiology sections serve as study modules for earning NSCA Continuing Education Units to maintain CSCS and NSCA-CPT certifications.

Also see Featured Testimonies.


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