Left Front

 lf-ap.jpg  

Right Front

 rf-ap.jpg

Here is an example of a horse with sidebone on both front feet. The lateral cartilages have ossified into what looks literally like a bone on the sides. The parts that appear ‘broken’ are most likely not fully ossified  yet.

The plainly prominent and deep collateral grooves can prevent flexing of the foot which further prevents shock absorption, which can contribute to the formation of sidebone.

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