To investigate if participation in sports increases the risk of developing osteoarthrosis of the hip, we did a case-control study on the sports activities of 233 men (up to age 49) who were recent recipients of a prosthesis because of severe idiopathic osteoarthrosis of the hip and 302 men randomly selected from the general population. Assessments of sports, job history, and health status were made by an interview. Men with high exposure to sports of all kinds combined (in hours) had a relative risk to develop osteoarthrosis of the hip of 4.5 compared to those with low exposure. Track and field sports and racket sports seemed to be the most hazardous to the hip joint. Men who had been exposed to high physical loads both from their occupation and sports had a relative risk of 8.5 to develop osteoarthrosis of the hip compared to those with low physical load in both activities. Potential confounding factors, such as age, body mass index, and smoking, were considered. Long-term exposure to sports among men seems to be a risk factor for developing severe osteoarthrosis of the hip; this is increased when combined with heavy load from occupation.

Aged↗

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Lateral release and capsulotomy. An operative in the treatment of flexion contracture of the rheumatoid knee joint. A 5-year follow-up and description of operative technique and physiotherapy.

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Adult↗

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Correlation of macroscopic osteoarthrotic changes and radiographic findings in the acromioclavicular joint.

In a total of 108 acromioclavicular articulations from cadavers the osteoarthrotic changes were studied. The articulations were macroscopically and radiographically ranked according to their grade of osteoarthrosis. The two ranking lines were correlated statistically and showed a rank correlation of 0.741. In 38 articulations tomography was also carried out. These articulations were classified into five grades of osteoarthrosis and the macroscopic, conventional radiographic and tomographic gradings were compared. The correlation coefficient for tomography versus macroscopy was 0.714. Tomography versus standard radiography showed a correlation of 0.767 and standard radiography versus macroscopy a correlation of 0.841. The standard radiographic investigation reveals moderate and severe osteoarthrotic changes in the acromioclavicular joint but cannot depict smaller changes. Tomography does not seem to improve the specificity. There is a need for a better radiologic technique in the examination of the acromioclavicular joint. Radiography during some kind of loading might be a practical way of improving the specificity and make it possible to show early osteoarthrosis in the acromioclavicular articulation.

Acromioclavicular Joint↗

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Influence of acetabular component position in non-cemented total hip arthroplasty. A radiologic and clinical study.

Radiologic grading of non-cemented acetabular components in HP Garches total hip replacements was used to evaluate the relationship between a lack of supero-lateral cover of the acetabular component and clinical outcome. In 63 hips, three to five years after total hip arthroplasty, we observed that the acetabular component was partially uncovered in 56 per cent of cases. The fact that several components were partially uncovered did not influence the clinical outcome. Although the follow-up time is short the present study indicates that non-cemented HP Garches total hip arthroplasty is a technique which allows for stable fixation of the acetabular component.

Acetabulum↗

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