Dear Reader, Diagnosis of multiple limb lameness can be one of the most challenging processes our customers face. Although measuring lameness with our technology is easy, getting to its correct source under a confounding presentation is not. This entire edition of Eye on Objectivity (EoO) is dedicated to understanding what we see, what we measure, and the often-complex relationships between the cause of lameness and how it is expressed in the trotting quadruped.  We hope this special edition serves as a reference guide you keep and can review before evaluating a tricky case.   Using the Principle of Parsimony (known...