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What Is a Cybex Test?

Machine Precision

    The Cybex II machine uses levers with hydraulic isokinetic resistance to provide a test subject with several natural movements to perform while a computer analyzes each motion. The machine must be configured and arranged to test a fluid motion for each of the major joints, including the knees, hips, shoulders and elbows. It features an upright chair that the test subject is secured into, the hydraulic resistance unit that can be set up to test a specific joint, and the computer system to analyze and display the data. Cybex International produces a range of exercise equipment for commercial, medical and private use.

Drafted Up

    The Cybex test provides NFL coaches and scouts with an in-depth look at the physiological health of prospects, and it is especially useful for prospects with a history of joint or ligament injury during their college careers. While the results of the Cybex test don't typically "make or break" a prospect's chances during draft prep, a poor reading on the test in conjunction with poor performance during the strength or speed events may give scouts concerns. The test may also be useful for a previously injured prospect to show that he his rehabilitation was successful.

About the Author

Bobby R. Goldsmith is a writer and editor with over 12 years of experience in journalism, marketing and academics. His work has been published by the Santa Fe Writers Project, "DASH Literary Journal," the "Inland Valley Daily Bulletin" and WiseGEEK.