Fetlock refers to a specific part of a horse, similar to an ankle in humans.

Animal Anatomy

Fetlock is commonly used when talking about horse injuries, as it can be a vulnerable area.

Injury Prone

The word is often used in discussions about horses, horse riding, or veterinary medicine.

Equestrian Context

 a bit peculiar but it's just so much muscle they're driving it forward and you see they're just hooking into the ground with those hooves really absolutely caning it and you can see I mean it's much like saying with our Achilles tendons and wrists they're just hammering a lot of pressure into those fetlocks fetlocks basically sort of like the wrists and ankles of horse if you