ExRx (Exercise Prescription) on the Internet
ExRx.net (Exercise Prescription on the Internet) is a free resource for the exercise professional, coach, or fitness enthusiast featuring comprehensive Exercise Library (>1600 exercises), fitness assessment calculators, and reference articles. Its content is also available on CD-ROM.
Now celebrating over 16 years online! ExRx.net is a recommended resource in ACSM's Resource Manual for Guidelines for Exercise Testing and Prescription, 5th ed. (pgs 224, 349). ExRx.net has also been an NSCA authorized CEU provider since 2008. See our NSCA CEU approved study module.