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Where Is Your Fetlock?

Chloe Bennett • • 7 min read
Where Is Your Fetlock?

Fetlock is a term used for the joint where the cannon bone, the proximal sesamoid

sesamoid
The sesamoid is a small nodular bone most often present embedded in tendons in the region of the thumb. Calcification of sesamoid bone is one of the important features of pubertal growth spurt, which is earlier in females than in males. Absence of sesamoid bone indicates delay in reaching puberty.
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bones, and the first phalanx (long pastern bone) meet. The pastern is the area between the hoof and the fetlock joint.

Is the fetlock the ankle?

While sometimes the fetlock is colloquially referred to as an "ankle", even by horse experts, that terminology is not correct. The fetlock is a metacarpophalangeal joint which corresponds to the human upper knuckle, such as that on the ball of the foot.

What is a fetlock injury?

This condition involves a tear or strain of the suspensory ligament where it branches onto the bones at the back of the fetlock joint (sesamoid bones). These tears can be seen on an ultrasound examination, and horses may often have swelling over the affected branch, that may be hot or painful to touch.

Chloe Bennett
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Chloe Bennett

Chloe Bennett explores the intersection of pop culture, streaming entertainment, digital trends, and contemporary lifestyle. Her weekly commentary reaches thousands of culture enthusiasts.