Influence of increased intraarticular pressure on the angular displacement of the isoltaed equine distal interphalangeal joint

Maximilliane Dippel, Ursula Ruczizka, Stephanie Valentin, Theresia Licka

Research output: Contribution to journalArticle

Abstract

The equine distal interphalangeal joint (DIPJ) is commonly affected by palpable joint distension and degenerative joint disease, with microinstability considered a contributory factor. The aim of this kinematic study was to investigate DIPJ angles during axial compression loading (ACL) in a material testing machine with and without increased intraarticular pressure (IAP) due to joint distension. Our hypothesis was that increased IAP would lead to an increased speed of angular displacement of the DIPJ during ACL and that this would become more apparent with the hoof placed on an uneven surface. Bone markers were placed on the second and third phalanx of six left and right isolated forelimbs from adult Warmblood horses. Limbs were placed in a material testing machine, and synchronous measurements of the kinematics and the pressures within the DIPJ during loading were obtained. With the hoof in neutral position, as well as with 3° lateral and 3° medial elevation, the proximal articular surface of the second phalanx was preloaded with 100 Newton (N), and angles and IAPs were measured during loading to 6,000 N at 600 N/s, with and without joint distension. Joint distension in combination with lateral/medial hoof elevation increased flexion, lateromotion/mediomotion, and axial rotation. The finding that moderate joint distension increases the effect of a relatively mild mediolateral foot imbalance on speed of joint movement during loading has the potential for clinical relevance in the development of osteoarthritis.
Original languageEnglish
Pages (from-to)54-63
JournalJournal of Equine Veterinary Science
Volume38
Early online date18 Jan 2016
DOIs
Publication statusPublished - Mar 2016
Externally publishedYes

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joints (animal)
Horses
hooves
Joints
materials testing
horses
Pressure
phalanges
osteoarthritis
kinematics
Hoof and Claw
forelimbs
limbs (animal)
Materials Testing
Weight-Bearing
bones
Biomechanical Phenomena
Osteoarthritis
Forelimb
Foot

Cite this

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title = "Influence of increased intraarticular pressure on the angular displacement of the isoltaed equine distal interphalangeal joint",
abstract = "The equine distal interphalangeal joint (DIPJ) is commonly affected by palpable joint distension and degenerative joint disease, with microinstability considered a contributory factor. The aim of this kinematic study was to investigate DIPJ angles during axial compression loading (ACL) in a material testing machine with and without increased intraarticular pressure (IAP) due to joint distension. Our hypothesis was that increased IAP would lead to an increased speed of angular displacement of the DIPJ during ACL and that this would become more apparent with the hoof placed on an uneven surface. Bone markers were placed on the second and third phalanx of six left and right isolated forelimbs from adult Warmblood horses. Limbs were placed in a material testing machine, and synchronous measurements of the kinematics and the pressures within the DIPJ during loading were obtained. With the hoof in neutral position, as well as with 3° lateral and 3° medial elevation, the proximal articular surface of the second phalanx was preloaded with 100 Newton (N), and angles and IAPs were measured during loading to 6,000 N at 600 N/s, with and without joint distension. Joint distension in combination with lateral/medial hoof elevation increased flexion, lateromotion/mediomotion, and axial rotation. The finding that moderate joint distension increases the effect of a relatively mild mediolateral foot imbalance on speed of joint movement during loading has the potential for clinical relevance in the development of osteoarthritis.",
author = "Maximilliane Dippel and Ursula Ruczizka and Stephanie Valentin and Theresia Licka",
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Influence of increased intraarticular pressure on the angular displacement of the isoltaed equine distal interphalangeal joint. / Dippel, Maximilliane ; Ruczizka, Ursula; Valentin, Stephanie; Licka, Theresia.

In: Journal of Equine Veterinary Science, Vol. 38, 03.2016, p. 54-63.

Research output: Contribution to journalArticle

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