Low Effectiveness of Prescribed Partial Weight Bearing
نویسندگان
چکیده
To enable objective measurements of weight bearing in hip replacement patients a portable instrument set-up with an on-line registering pressure-sensitive insole was developed. Six men and 9 women, median age 58 (48–67) years, who had been operated on with a cementless or hybrid hip arthroplasty were studied. All patients were independent and functional. A physiotherapist instructed the patients to use crutches in order to support 30% of their body weight. The patients then walked a standardized distance with crutches over ve different types of terrain: level, uphill, downhill, upstairs and downstairs.The trial was repeatedonce. In both men and women most of the steps taken resulted in a load of>30% of body weight. None of the patients managed to comply with the directive, even though ve of them thought they did. The type of terrain had no signi cant in uence on the pattern of load. Our ndings indicate that the effectiveness of prescribing limited weight bearing is questionable.
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