In vitro force mapping of normal canine humeroradial and humeroulnar joints

David R. Mason, Kurt S. Schulz, Yukihiro Fujita, Philip H Kass, Susan M Stover

Research output: Contribution to journalArticle

45 Citations (Scopus)

Abstract

Objective - To determine the distribution of force between the articular surfaces of the humerus and radius and between the humerus and ulna in normal canine forelimbs. Sample population - 12 cadaveric canine right forelimbs. Procedure - Transarticular force maps were created by placing a tactile array pressure sensor into the elbow joint cavity and loading cadaveric forelimbs in a materials testing system. Mean joint forces were determined at loads of 50, 100, 150, and 200 N. Results - All tests produced 2 distinct areas of high load that corresponded with the proximal articular surfaces of the radius and ulna. Mean forces for the radial proximal articular surface were slightly but significantly greater than for the ulna, averaging 51% to 52% of total force for all applied loads. Conclusions and Clinical Relevance - The proximal articular surface of the ulna contributes substantially to load transfer through the canine elbow joint. Abnormalities, which increase this load, might contribute to canine elbow joint dysplasia, specifically fragmentation of the medial coronoid process and osteochondritis dissecans of the medial aspect of the humeral condyle. In the treatment of these conditions, the normal force distribution within the canine elbow joint should be taken into consideration.

Original languageEnglish (US)
Pages (from-to)132-135
Number of pages4
JournalAmerican Journal of Veterinary Research
Volume66
Issue number1
DOIs
StatePublished - Jan 2005

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Elbow Joint
Ulna
joints (animal)
Canidae
ulna
Joints
elbows
Forelimb
dogs
forelimbs
Humerus
radius (bone)
humerus
Osteochondritis Dissecans
Materials Testing
osteochondritis dissecans
Normal Distribution
materials testing
Touch
In Vitro Techniques

ASJC Scopus subject areas

  • veterinary(all)

Cite this

In vitro force mapping of normal canine humeroradial and humeroulnar joints. / Mason, David R.; Schulz, Kurt S.; Fujita, Yukihiro; Kass, Philip H; Stover, Susan M.

In: American Journal of Veterinary Research, Vol. 66, No. 1, 01.2005, p. 132-135.

Research output: Contribution to journalArticle

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