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has responded to the rise in over use injuries by placing greater emphasis on injury prevention, developing new diagnostic and treatment techniques, and promoting rehabilitation as an aid to full recovery. This is what Dr. Lyle J. Micheli, one of the nations ....

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.... in general fitness activities, and with such participation being encouraged by the medical community as a public health intervention to promote healthy lifestyles, it often is not realized there is little or no dependable data available to assess the risks involved in participation in physical activities. Much effort is being expended in defining the benefits of exercise, but little is being done to define risk levels. Such information is needed in order to make informed decisions as to the value of participating in a particular activity, and to provide clues as to how injury rates can be reduced. This paper presents some of the prelimina ....