Cybex is a trade name for an 'isokinetic' machine used both to measure knee function and for knee rehabilitation.

An isokinetic machine is a piece of equipment (usually computerised and expensive) which allows muscles to be exercised at a constant speed. This offers special benefits in knee rehabilitation as it is the fastest way to gain muscle strength.


A discussion about the factors that may affect injury knee rates in children.



Assessment of isokinetic muscle function in Korea male volleyball athletes. Kim C-G and Jeoung BJ. J Exerc Rehabil. 2016 Oct; 12(5): 429–437.

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