Injuries sustained by male and female professional basketball teams were compared. Injuries from two consecutive seasons were coded, and computer-based cross-tabulations comparing sex, body part, and type of injury were performed. The women's injury frequency was 1.6 times that of men. The body part most frequently injured on both teams was the ankle. Women sustained significantly more knee and thigh injuries as well as sprains, strains, and contusions. Men had significantly more muscle spasms. Other injuries occurred in similar patterns in both sexes. Alterations in training programs are suggested with emphasis on women's strengthening and men's flexibility.

An infrequently considered cause of knee locking in incomplete tear of the anterior cruciate ligament. In this series, 19 locked knees were diagnosed at the time of arthrotomy as isolated incomplete tears of the anterior cruciate ligament. No pathological findings associated with the menisci, patella, or collateral ligaments were evident. In each case, the torn portion of the anterior cruciate ligament was demonstrated to be the mechanism for locking, and locking resolved with excision or repair of the torn portion.

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Nuclear medicine provides several methods for increasing the accuracy of surgical removal of bone lesions with focally increased uptake. In this paper, three intraoperative procedures are discussed: remote control by imaging, intraoperative control by imaging, and intraoperative control by scintillation probe. All techniques require preoperative injection of bone imaging tracer. Remote operative control calls for a gamma camera to mark the skin over the lesion prior to surgery, providing optimal preoperative localization and imaging of the excised lesion to ensure complete removal. Intraoperative control procedures require that a portable camera or a scintillation probe be used in the operating room; these permit direct monitoring of localization and resection. Our experience with 18 procedures performed on 15 patients suggests that these techniques are worthy of continued use.

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