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. It's 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
is also an NSCA authorized CEU provider. See our NSCA CEU approved
In our most recent site update, reference 22 new exercises,
including some innovative variations, found throughout our Exercise Directories. Also study
our in depth mechanical analyses of Deadlifts
and Calf Exercises.