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multiple limb lameness

the multiple limb lameness situation in horses. which limb to go after first. compensatory lameness
by

kevin keegan

on 28 August 2015

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Transcript of multiple limb lameness

The Multiple Limb Lameness Situation
Some Basic Biomechanics
More weight on forelimbs compared to hind limbs
More propulsion from hind limbs
Forelimb act primarily to brake
Hind limbs brake and push
Types of multi-limb lameness
compensatory (false)
secondary lameness (true)
second primary (true, but uncommon)
Primary Forelimb Lameness Causes Secondary Lameness
front
hind
Primary Hind Limb Lameness Causes Secondary Lamenes
Compensatory Lameness
THE LAW OF SIDES
If ipsilateral - go after hind
If contralateral - go after fore
THE LAW OF SIDES
If ipsilateral - go after hind (absolutely true)
If contralateral - go after fore (half true)
If ipsilateral - go after hind
If contralateral - half true
ipsilateral law
mild primary hind can cause moderate to severe compensatory fore
contralateral law
forelimb lameness has to be quite significant before compensatory hind is appreciated
Take Home Message
compensatory, ipsilateral forelimb lameness common and significant - WATCH OUT
Compensatory hind limb lameness does occur
ipsilateral impact (sometimes)
contralateral pushoff (often)
practically insignificant
THANKS
QUESTIONS?

all positive slopes - i.e. right caused right and left caused left
right fore caused right hind impact lameness
left fore caused left hind impact lameness
right fore cause left hind pushoff lameness
left fore caused right hind pushoff lameness
positive slopes
negative slopes
OTHER FINDINGS
Full transcript