http://www.exrx.net/

ExRx.net (Exercise Prescription on the Net) is a free resource for the exercise professional, coach, or fitness enthusiast featuring comprehensive exercise libraries (>1300 exercises), fitness assessment calculators, and reference articles. The content of this web site is also available on CD-ROM.

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 is also a NSCA authorized CEU provider. See our NSCA CEU approved study modules.