Compensatory Lameness – Breaking Down the AIDE Algorithms

Kevin Keegan, DVM, DACVS

Compensatory lameness in a quadruped is an apparent lameness in the opposite end of the body due to weight shifting off a painful limb.  Some say this is a false lameness because there is nothing wrong with the horse in that limb and there is no pain in the limb displaying the compensatory lameness; but nevertheless, compensatory lameness is a common clinical sign.  An old “Law of Sides” simplifies the patterns of compensatory lameness using two principles: the Ipsilateral Principle and the Contralateral Principle... 

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Means & Standard Deviations: An Overview & Practical Application to Lameness Locator® Reports

Even a normal (non-lame) gait has considerable stride by stride variability, that can be further exacerbated by surface characteristics, environmental distractions, horse behavior, and other factors. This makes it necessary to collect and analyze many strides to accurately characterize lameness. To reach an appropriate conclusion and quantification, do not depend on only a few strides. At least 25 strides (more if the horse is misbehaving) should be collected and analyzed for straight line evaluations using the Q with Lameness Locator®.

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