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The joint is an organ and functions as a mechanical bearing created of biological materials. In the joint, as in all connective tissues, there is a relationship between mechanical factors and tissue behavior. Therefore, it is not surprising that joint health and osteoarthrosis are reflections of both mechanical and biological factors. Osteoarthrosis is not(More)
In a survey of 505 rural Zimbabweans, iron overload was found almost exclusively among men who consumed traditional beer brewed in steel drums. Among drinkers aged over 45 years, 23 of 111 men (21%) had high serum ferritin and a transferrin saturation of over 70%, a combination that indicates a risk of liver disease and other pathological effects from(More)
We studied changes in subchondral bone and articular cartilage in an animal model of osteoarthrosis. In this model we applied repetitive impulsive loads to rabbits' knees. Their legs were held in short leg splints so the rabbits were unable to dampen the peak applied load with ankle flexion. After sacrifice, at 1 day to 6 weeks, we studied proximal tibial(More)
This study reviewed 56 hips in 37 children with cerebral palsy who had undergone an adductor tenotomy alone or in combination with an anterior obturator neurectomy. The mean review period was 5.3 years. At latest review, 25 of 30 (83%) hips with a preoperative migration percentage of less than 40% were reduced, but 20 of 26 (77%) hips with a preoperative(More)
The sequence of vascular and bony changes that precedes experimental osteoarthrosis was observed in rabbits. The subchondral bone underlying the weight-bearing portion of the medial tibial condyle and the talocalcaneal joint were examined after two, three, and six weeks of 50-ms and 500-ms repetitive loading at 1 Hz for 40 minutes each day. Vascular(More)
We conducted an experiment with 289 primiparous sows to evaluate the effect of lysine intake on lactation and subsequent reproductive performance. Sows were randomly allotted to one of five experimental corn-soybean meal lactation diets. The first four diets contained incremental levels of apparently digestible lysine (.67, .86, 1.06, and 1.25%) and(More)
Four trials were conducted with a total of 188 crossbred sows to determine the effect of feeding diets supplemented with tallow (0 or 8%) and choline chloride (220 or 770 mg/kg diet) prior to parturition and during lactation on preweaning pig performance. On d 100 of gestation, sows were allotted to four factorially arranged dietary treatments: 0%(More)