ANLS 1615 IN Ilium Versus EX Ilium

ANLS 1615 IN Ilium Versus EX Ilium - The IN Ilium s s The...

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The IN Ilium The ilium misaligns medially in relation to sacrum ( the reference point is the PSIS) The PSIS rotates closer to the sacrum (S2) the ilium internally rotates in a non weight bearing postion
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Changes that Occur in an IN Ilium Misalignment Edema - ( anterior aspect of the joint) When the ilium misaligns IN, the anterior portion of the SI joint articulation opens up creating an edematous joint space on the anterior aspect of the SI joint This can not be felt during static palpation
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Changes that Occur in an IN Ilium Misalignment Increased width of the innominate measurement on x-ray this is due to the fact that more of the ilium is seen when it internally rotates towards the midline can be seen on x-ray
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Changes that Occur in an IN Ilium Misalignment Altered Obturator Shape on X-ray When the ilium moves IN, the obturator narrows because you see less of the obturator on the x-ray Narrowed effect can use the obturator shape to correlate with x-ray measurement or when the ilium and ischial tubes are effected
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Changes that Occur in an IN Ilium Misalignment IN ilium creates a flatter gluteal fold
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ANLS 1615 IN Ilium Versus EX Ilium - The IN Ilium s s The...

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