The top picture is the correct anatomy of the horse!
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If you want an easy way to remember things about your horse then i have also given you the below image, thanks to The Horse Lovers Coral!
Learn more about the skeleton of the horse
Understanding the structure of the horse helps in the assessment of conformation, which in turn helps us to understand each horse's limitations. The skeleton comprises of about 210 bones: -
37 in the skull, including 3 small bones in each ear (auditory ossicles),
2 branches of mandible (lower jaw)
54 vertebrae (7 cervical, 18 thoracic, 6 lumbar, 5 sacral, 15 - 20 coccygeal),
36 ribs (some breeds i.e. Arab, sometimes have 37 or 38),
1 sternum,
40 forelimb
40 hindlimb (including pelvis)
Although it is easy to think of bone as hard and inflexible, this is not so. The skeleton has evolved to suit the horse's natural lifestyle and has the ideal amount of rigidity, flexibility and ability to move, rarely going wrong in the wild horse.
However, the domesticated horse's skeleton often suffers from lack of exercise, which 'stiffens' and weakens it, or from the demands of excessive performance, which over-stresses and causes injury to it and it's associated structures, ligaments, tendons and muscles.
The horse has no collarbone so therefore the front legs are not attached by joints, meaning purely a sling of muscles and ligaments supports the weight of the horse and rider. This is part of the shock absorbing mechanism of the front legs, which also includes all the angles and joints of the front leg.
Horse's can sleep in the upright position without falling over due to a 'locking' mechanism in the fore and hindlimbs. The main joints can be locked into position by a system of muscles and ligaments mostly based around the suspensory ligament at the back of the cannon bone. In this position very little energy is needed to hold the 'lock'.
THE HORSES HOOF
The horses hoof is extremely important! Remember "No Hoof=No Horse."
Go to the next 2 pages to learn about horse equiptment and colors.
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