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Nerd Corner

004: Robustness of the Palmar Angle Measure

004: Robustness of the Palmar Angle Measure

Metron software measures the 'Palmar Angle' on a lateral hoof radiograph (among other measures). For a given x-ray generator, and using the Metron Block on a flat floor, the main source of misalignment is due to the alignment of the block + hoof when the image is...

002: Computing the Axis of Rotation from Bone Shape

002: Computing the Axis of Rotation from Bone Shape

We are developing what we call "The Bone Engine" which is a collection of software tools that can do various computations on scanned 3-D polygonal models of bones and other structures. As an example of one ability of the Bone Engine -- it can compute the best...

001: Long Pastern Bone

001: Long Pastern Bone

The Long Pastern bone of the horse (aka "P1") is not symmetric -- it has two non-zero angular parameters that we will call "Tilt" and "Twist". The "Tilt" is the angular misalignment between the pastern-joint-axis and the fetlock-joint-axis as seen in a DP radiograph....

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