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  • Key words: gait analysis  (1)
  • Key words: insufficiency fracture, tibia, osteoporosis  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of orthopaedic science 4 (1999), S. 89-98 
    ISSN: 1436-2023
    Keywords: Key words: gait analysis ; varus osteotomy ; dynamic electromyography ; pelvic movement
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract: The purpose of this study was to evaluate differences in the gait patterns of healthy and osteoarthritic hips, and changes in these patterns after intertrochanteric varus osteotomy of the femur, in relation to the strength of the muscles around the hip joint. We measured the strength ratio of hip abductor muscles, temporal and distance factors, and pelvic movement, and carried out dynamic electromyography (EMG) in 24 women who underwent unilateral varus osteotomy of the femur for hip osteoarthritis (OA), 30 non-surgically-treated women with hip OA, and 54 healthy women. The stance phase time was shorter and the strength ratio of hip abductor muscles was lower in the operated patients than these values in the other two groups, changes in pelvic obliquity and tilt were smaller, and changes in the percent maximum voluntary contraction of the gluteus medius and tensor fascia latae muscles were greater than these values in the healthy subjects. This study showed the postoperative reappearance of the simulated conditions in the hip before varus osteotomy of the femur, providing evidence that the pelvis was horizontally maintained during walking due to the decreased stance phase time and increased performance of the hip abductor muscles achieved after this procedure.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Journal of orthopaedic science 5 (2000), S. 71-74 
    ISSN: 1436-2023
    Keywords: Key words: insufficiency fracture, tibia, osteoporosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract: We describe two patients with uncommon types of insufficiency fractures that occurred at the distal tibiae. In case 1, a 71-year-old man with secondary osteoporosis due to hypogonadism fracture of his left distal tibia was overlooked because initial radiographs had seemed normal. However, bone scintigram obtained 2 months prior to the onset of fracture had already demonstrated abnormally high uptake at the site. In case 2, a 62-year-old woman with postmenopausal osteoporosis sustained an insufficiency fracture of the left distal tibia. Good clinical results were obtained with nonsurgical treatment. Based on the clinical course of case 1, we believe that bone scintigrams may be useful not only for the early diagnosis of insufficiency fracture but also for predicting such fractures.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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