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Results for “TARSAL JOINT”

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At least 73 records · Page 4Linked to original sources
PubMed1989

Forces loading the tarsal joint in the hind limb of the horse, determined from in vivo strain measurements of the third metatarsal bone.

Strain gauge rosettes were bonded to the dorsal, lateral, medial, and plantar aspects of the third metatarsal bone in the hind limbs of 6 ponies. The maximal compressive principal strain was approximately -600 X 10(-6) m/m, and exceeded the amplitudes of the tensile strains at all aspects of the bone. After transformation, the shear strain and the principal strains parallel and perpendicular to the bone were obtained. The first peak in the bending strain was higher in the dorsal and lateral aspects, and the second peak was higher in the medial and plantar aspects. Young modulus of elasticity was determined in a 4-point bending test at the dorsal and plantar sides; it averaged 19.5 GPa in tension and compression. Applying linear bending theory, the eccentricity of an axial force parallel or a bending force perpendicular to the bone were calculated. The position where the total force penetrated the tarsometatarsal joint surface was largely within the joint surface, indicating that the joint is merely loaded in (eccentric) compression.

Animals↗
PubMedDate not supplied

Tarsal joint fusion using memory compression staples--a study of 10 cases.

A prospective clinical study was undertaken to assess the effectiveness of Nickel-Titanium Memory compression staples for fusion of the intertarsal joints. Ten patients underwent procedures for fusion of various hindfoot and midfoot joints with the memory staples. The patients were evaluated regarding period of immobilization in cast and time to radiographic joint fusion. Arthrodesis was achieved in all patients. The average time to fusion was 7.8 weeks, with an average period of immobilization of 6.6 weeks. The early experience with the use of these staples in hindfoot and midfoot joint surgery is encouraging. We did not encounter any technical problems, and there is a suggestion that these implants may reduce the time to fusion.

Arthrodesis↗
PubMed1996

Histopathological findings on ulcerative lesions of carpal and tarsal joints in Japanese black cattle.

In order to determine the pathogenesis of ulcerative lesions of the articular cartilages in Japanese Black cattle, tissue samples of the ulcerative lesion, marginal portion of the ulcer, macroscopically normal portions and synovial membranes were histopathologically examined by light microscopy, scanning electron microscopy and contact microradiography. The results are summarized as follows: (1) In the ulcerative lesions, degeneration and complete destruction of articular cartilage and its replacement with a proliferation of myelogenic connective tissue were observed. (2) In macroscopically normal portions, fissures of the articular surface and changes of the trabecular pattern in subchondral bone were present. (3) In the marginal portions of the ulcerative lesions, evidences of the repair process such as connective tissue growth from subchondral bones and articular cartilages were seen. (4) In synovial membranes, no pathological findings were observed. And (5) among the above mentioned changes, no inflammatory findings were seen. In conclusion, the ulcerative lesions of bovine articular cartilage may be regarded as the early stage of osteochondrosis to osteoarthrosis since the findings such as noninflammatory destruction or degeneration and remodeling of the joints are characteristics of the latter.

Animals↗
PubMed1992

[The arthrographic presentation of the hip, knee and tarsal joints of the cat].

The purpose of the present paper was to find out the most suitable localizations to puncture of hip, stifle and hock joints of the domestic cat. These joints are arthrographically presented. Further six contrast mediums in normal commercial usage were tested with regard to there contrast intensity. The only recommendable localization to arthrocentesis of the hip joint is at the cranial border of the greater trochanter of the femur. The stifle joint is approachable either at the medial or lateral border of the Lig. patellae. To puncture the proximal row of the hock joint the recommendable puncture site was found distal of the lateral malleolus between the tendons of the lateral digital extensor muscle and m. extensor digitorum longus. Any arthrocentesis of the distal row of the hock joint isn't recommendable. Contrast mediums with a iodine concentration below 300 mg/ml were not sufficient for arthrography.

Animals↗
PubMed1989

[Surgical reduction of the external ligament for chronic instability of the tibio-tarsal joint. Apropos of 58 reviewed cases].

Between 1975 and 1986, 75 cases of surgical tightening of the lateral ligament have been performed for chronic instability of the ankle. 58 of them have been reviewed with a mean delay of 36 months (extremes of 6 months to 6 years). Surgery corrected completely the instability four out of five times. In six patients there still remained more or less incapacitating pain. Talo-navicular movements were constantly preserved, as well as that of the sub-talar joint, except in six cases where it was slightly diminished. The results have been excellent in 18 cases; very good in 18 cases; good in 6 cases; mild in 8 cases and poor in 4 cases. Furthermore, four patients who originally had an excellent or very good results have subsequently presented with a recurrence of joint laxity and instability following a new severe ankle sprain. X-ray results were less satisfactory as the joint laxity was only partially controlled (average tilt of 7 degrees). But all joint laxities except one have been improved by this type of surgery. After failure of proprioceptive rehabilitation which must be performed systematically, surgical tightening of the lateral ligament can be proposed, and should be preferred to peroneus brevis ligamentoplasties, which are more traumatic and less physiological.

Adolescent↗