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Relating Form to Function: Horse's Front Legs, Side View

Last Updated: February 20, 2008 | Related resource areas: Horses
Ideal alignment of the hors's front legs as viewed from the side

When viewed from the side, the front column of bones should have the appropriate slope and angle of shoulder and pastern. Additionally, a straight line should run from the center of the scapula and bisect the leg equally in half, touching the heel of the hoof as pictured in the "ideal" side view.

Camped-under is a condition in which the forelimbs are too far under the horse's body. This conformational fault will prevent a horse from having a long, fluid stride and predispose it to unsoundness. This condition also exerts increased pressure on ligaments and tendons.

Camped-out refers to a condition in which horses have an entire forelimb that is too far forward and away from the body. Camped-out horses exert excessive concussion and stress on their knees, fetlocks, and hoofs. They are also prone to develop navicular disease and laminitis.





A horse over in the knees


Over at the knees is the most common of two structural deviations that exist in the knees of horses when viewed from the side. This condition is commonly referred to as buck-kneed. This is a forward deviation in which the knee is set too far forward in relation to the leg. Even though over at the knees is a structural fault, many horses with this condition have long, productive performance careers.







A horse back at the knees




Back at the knees is the opposite of over at the knees. Horses with this conformational fault are referred to as calf-kneed. It is extremely serious, because many calf-kneed horses do not remain sound. This condition positions the horse's knees back behind the vertical line bisecting the column of bone. Back at the knees allows the knee to hyperextend or bend backwards. This can lead to chipped bones in the knee, causing unsoundness that can end a performance career.

The ideal pastern is 45 degrees in the front and 50 degrees in the rear. Short, steep pasterns will not allow for normal cushion effect on the forelimb. Steep pasterns give the horse a choppy, rough stride and predispose it to lameness due to extra concussion on its entire front column of bone.

Short, Steep Pasterns



Pasterns that are too long and weak relative to the length of the limb may cause the horse to injure ankles, tendons, and ligaments.


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Comments

clare on 02.21.08 at 09:28 PM
I AM ABOUT TO BREED MY MARE WITH A STALLION WHO HAS BENT KNEES AND HAVE BEEN TOLD THERES NOTHING TO WORRY ABOUT BY THE OWNER, IS THIS HEREDITORY PLEASE HELP WITH SOME ADVICE
vicki on 02.24.08 at 11:01 PM
I have a mare with Buck-knees. Her sire and dam don't have this condition. Her dam was malnourished during pregnancy and after foaling the malnourishment continued with the foal until 4yrs of age when I bought her. Is the buck-knee caused from malnutrition or is it genetic? Thank you for any information you can provide.
vanessa hills on 03.07.08 at 06:30 PM
We have chosen a lovely 7 yr mare who we rode and she was sound.2 days later she was lame after a flex test but after lunging was sound again. lff 2.5, lknee 2.5, neg lhf,neg lhf, neg lhock, 1 rff, 1 rknee, neg rhf, 2 r hock. The vet told me the test could change each day ,should i do another test or just forget this great horse? Thank you.

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