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William A. Grana, MD
The University of Oklahoma Health Sciences Center Oklahoma City

JAMA. 1979;241(16):1683.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

The questions raised are the essence of our own questions about this method of testing laxity of the joint. Can testing methods validated in a group of professional athletes be used for the same means in a more general population? In this case our results and those of others support the posture that these tests cannot be used to predict the risk of injury for athletes in secondary schools. To be generally applicable, these tests must be valid in other than the professional athlete—a very special breed of human being. This is precisely the reason we say: "It may be that the results from a group of professional football players cannot be extrapolated to other age groups or levels of performance."

As to the value of the tests themselves in determining a loose or tight person, we have some reservation regarding the effect of warm-up and practice on . . . [Full Text PDF of this Article]

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