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==='''Kinds of fractures'''===
 
==='''Kinds of fractures'''===
 
   
 
   
[[File:QMFig 3.4.png|thumb|'''Fig. 3.4 Ways in which a long bone may fracture''']]
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[[File:QMFig 3.4.png|thumb|'''Fig.3.4 Ways in which a long bone may fracture''']]
    
Bone, we have noted, is stronger under compression than under tension, while shear is intermediate.  Appropriate combinations of forces cause tensile fractures (Fig. 3.4 A) in bone mainly at the sites of attachment of tendons and ligaments.  Common sites of fracture are, in the horse, the proximal ulna, the patella, the proximal sesamoids, the calcaneus and the accessory carpal bone.  Such fractures are usually transverse.
 
Bone, we have noted, is stronger under compression than under tension, while shear is intermediate.  Appropriate combinations of forces cause tensile fractures (Fig. 3.4 A) in bone mainly at the sites of attachment of tendons and ligaments.  Common sites of fracture are, in the horse, the proximal ulna, the patella, the proximal sesamoids, the calcaneus and the accessory carpal bone.  Such fractures are usually transverse.
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:::::'''3.4 Ways in which a long bone may fracture'''
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:::::'''Fig.3.4 Ways in which a long bone may fracture'''
    
:::::The type of external load applied to a bone will determine the pattern of the fracture:
 
:::::The type of external load applied to a bone will determine the pattern of the fracture:

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