Hock

The large, angular joint in the middle of the hind leg; it matches our ankle.

What is it?

The hock absorbs huge forces when the horse pushes off and is therefore prone to wear such as spavin and thoroughpin. A strong, dry, well-angled hock is one of the most important points for a durable sport horse.

Where is it?: Hind leg

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Sources: Merck Veterinary Manual · Wikipedia · The Open Sanctuary Project.