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About: Bone Anatomy of a Horse's Front Leg

4/25/2018

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   In this next part of our anatomy series we will focus on the bones of the front limb. The image below is not accurately to scale but it does show the general areas in which these bones live.
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A - Suprascapular Cartilage

B - Scapula: The "shoulder blade"; Transmits forces and motion of the front limb; Attachment of muscles and connective tissue that support cranial portion of the body; Flat in shape

C - Humerus: Attachment of major muscles that move upper and lower limb; "Point of Shoulder"

D - Ulna: Fused to the Radius to prevent supination (the outward rotation of the limb); "Point of Elbow"

E - Radius: optimizes cranial (closer to the head or top) and caudal (closer to the feet or bottom) muscles

F - Accessory Carpal: always lateral (or on the outside); the retinaculum attached as shown below to restrict other structures (tendons) to stay in place
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G - Carpus: 7 bones comparable to a human wrist; provide shock absorption and flexion

H - Metacarpal III (Cannon Bone): comparable to the long bones in a human hand

I - Metacarpal IV (Splint Bone): 2 splint bones on each leg; creates a channel for the tendons to settle within; provides support to the cannon bone

J - Proximal Sesamoid: embeded in the suspensory ligament; prevent overextension of the fetlock joint

K - Proximal Phalanx (Long Pastern Bone): comparable to the first bone in a human finger

L - Intermediate Phalanx (Short Pastern Bone): similar to the middle medium sized bone in a human finger

M - Distal Sesamoid (Navicular Bone): helps to stabilize the lower joints and the hoof; many ligaments in this area

N - Distal Phalanx (Coffin Bone): similar to the last small bone in a human finger where the fingernail grows
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About: Basic Equine Anatomy

1/26/2018

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   Sometimes horse anatomy lines up with other animals and some parts have unique names. Below is an image pointing out some of the most common horse specific parts. In the future we will dive deeper into some of these areas! For now, here are the parts that are talked about on possibly a daily basis.
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Poll - right behind the ears. Where the bridle and halter sit.
Mane - the long hair on the top of a horse's neck
Withers - the pointy top of the shoulder
Back - where the saddle goes
Loins - the horse's weak lower back. Don't put the saddle here!
Croup - basically the top of their bum
Dock of the Tail - the muscle and bone of the tail
Point of Hip - the pointy part that sticks out of their hip (I know, great explanation lol)
Stifle - a joint about where the leg meets the body
Hock - the pointy joint in the middle of a horse's back legs
Fetlock - the ankle of all four legs
Hoof - the horse's foot. The hoof is made up of the same material as our fingernails
Coronet - the part right about a horse's hoof
Gaskin - the muscly part between the hock and stifle
Flank - the sensitive part of the horse that meets the belly to the back legs
Elbow - the joint on the front legs that meet the leg to the body
Knee - the middle joint of the front legs
Pastern - the part between the hoof and the ankle
Cannon - the part between the ankle and knee
Shoulder - yup, that's their big ol' shoulder
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