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Use of orthopedic markers for quantitative determination of proximal radial and ulnar growth in foals.
1991
Smith B.L. | Auer J.A. | Taylor S. | Hulse D.S. | Longnecker M.T.
Cortical bone screws were implanted into the proximal portion of the right and left radius and ulna of 6 newborn Quarter Horse foals as radiographic markers for measurement of growth. Distance between markers on a lateral radiographic view was measured. Radiographs were taken at 2-week intervals until the horses were 8 weeks old, at 4-week intervals until they were 48 weeks old, and at 12-week intervals until they were 72 weeks old. The proximal radius and ulna grew at similar rates during the 72-week period of evaluation, and growth continued throughout 72 weeks. The proximal radius grew 3.5 cm, and the ulna grew 3.4 cm. Although the rates of growth were similar, growth from the ulnar physis contributed only to the length of the olecranon; growth was not transmitted to the ulnar diaphysis distal to the cubital joint. The proximal radius slid distally in relation to the ulna as growth occurred at the proximal radial physis. These findings suggest that transfixing the ulna to the radius while growth is occurring at the proximal radial physis impedes the natural shifting process, and subluxation of the elbow can result. Severity of subluxation would be inversely related to the age of the horse at the time of transfixation.
Show more [+] Less [-]Pulmonary hypertrophic osteoarthropathy in a bull
1991
Han, J.H. (Kangweon National Univ., Chuncheon (Korea Republic). Coll. of Animal Agriculture) | Han, H.R. | Park, U.B. (Seoul National Univ., Suwon (Korea Republic). Coll. of Veterinary Medicine)
Histochemical study on the endochondral ossification of the native Korean cattle femur
1991
Kim, S.M. (Taejon Univ., Taejon (Korea Republic). Coll. of Oriental Medicine) | Yang, H.H. | Paik, Y.K. (Chonbuk National Univ., Chonju (Korea Republic). Coll. of Veterinary Medicine)
