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ExRx.net (Exercise Prescription on the Net) is a free resource for the exercise professional, coach, or fitness enthusiast featuring comprehensive exercise libraries (>1400 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.

Site Updates

Weight Training

• Strength Standards (edited to reflect newest standards)
• Weight Training for Specific Populations (rewrote all articles)
  • [Women | Older Adults | Children]

Cardio Training

• Pedometer Steps to Distance Converter
• Walking and Running Energy Efficiency

Nutrition

• Dr. Robert Lustig Videos on Sugar
• High Fructose Corn Syrup vs. Table Sugar (revised)
• Dietary Guidelines (edited sections)
• Omega-3 fatty acids (edited)
• Balancing Dietary pH (added entry)
• Cruciferous Vegetable (edited)
• Choline (essential nutrient since 1998)
• Diet & Nutrition Quotes (moved to diet & nutrition section)

Miscellaneuos

• Dealing with Injury (added entry)
• Variation (edited explanation)
• Exercise Quotes (moved to Exercise Info section)

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