Biomedical subjects
Publications and source records attributed to A Glockenberg.
Equinus deformities are common in neuromuscular and trauma patients. In contrast, calcaneal gait disorders tend to be overlooked, and few reports characterize and review calcaneal gait problems and disabilities. In the past 3 years, the authors treated 17 patients with calcaneal gait. Six of these cases are reviewed; in addition, the general clinical characteristics of the patient with calcaneal gait pattern are described.
Nonossifying fibroma is a benign, lytic lesion that occurs in young children and adolescents. Radiographically, the lesion is multilocular and sharply demarcated. It often occurs at the metaphyseal region of long bones of the lower extremity and is usually eccentrically located. Four cases of nonossifying fibroma occurring during the past 7 years are presented with a review of the literature.
Two case histories of multiple hereditary osteochondromatosis are presented. Multiple hereditary exostoses are the most common inherited systemic disorder of bone. The presence of ankle deformity in 50% of the cases and the potential for malignant transformation make this an important disease for the clinician to be familiar with.
A rare case of lichen sclerosus et atrophicus coexisting with morphea in the foot was presented. Orthotic therapy was required to alleviate an antalgic gait.
This analytic review of the traumatic forces acting on bone reveals the complexity of the biomechanics of physiologically and traumatically applied loads. There is still controversy as to the true nature of bony behavior and the forces influencing that behavior. The reason is that we are dealing with living heterogeneous tissue and not true static models. Basically, the following can be stated: that the bone probably has both plastic and viscoelastic characteristics, but probably more of the latter. In addition, although multiple forces act on bone, torsional force is probably present in most cases of trauma to some extent.
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