The purpose of this investigation was twofold. In Part I, we determined the accuracy of morphometric analysis of the knee using magnetic resonance imaging and plain film radiography. The results of Part I validated the accuracy of magnetic resonance measurements and its superiority over plain film measurements. In Part II, we evaluated knee morphometry in 20 asymptomatic athletes with chronic anterior cruciate ligament insufficiency to determine if any predisposing factors to anterior cruciate ligament disruption could be detected. With our analysis, we could detect no predisposing factors to explain the anterior cruciate ligament disruption in the cohort group.

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This article characterizes chondral injuries and reviews the results of microfracture treatment in high-level competitive and recreational athletes. Thirty-eight high-level and 140 recreational athletes completed functional questionnaires preoperatively and yearly postoperatively, recording symptoms, function, and activity level. Second-look arthroscopy tapes were available in 26 high-level and 54 recreational athletes. The mean follow-up for the high-level athletes was 3.7±1.4 years. Chondral defects averaged 223±180 mm p 2 . Lesion size and follow-up were not significantly different in the recreational group. Functional questionnaire responses demonstrated significant improvements from the time of microfracture to final follow-up. Improvement in function and symptoms was similar for the competitive and recreational athletes.

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