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16 Cards in this Set
- Front
- Back
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meniscal tears mechanism of injury
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-rotation and axial loading of the knee
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which side of the meniscus is C-shaped and less mobile?
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medial
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who is affected by meniscal tears?
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-males > females
- pts over 65 affected by degenerative tears of the meniscus |
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primary complaint of a meniscal tear
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-pain and "catching" with knee flexion
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when would you not recommend surgery for a meniscal tear
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- <8mm, no locking Sx, improvement with PT
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A total menisectomy increases _________235%, so nearly half of the pts end up having ______
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1. peak load on the joint
2. degenerative joint disease |
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what is another surgical option for meniscal tears
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transplant
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anterior cruciate ligament injury characteristics
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-female > male
-typically a noncontact deceleration injury -commonly develop hemarthomas within 2-3hrs -primary complaint is instability |
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why is the primary complaint of an anterior cruciate ligament injury instability?
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-ACl is the hinge of the knee
-ACL is the most important restraint against anterior translation |
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when is nonsurgical tx the preferred option in anterior cruciate ligament injury?
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-partial tears, no functional deficits, elderly
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what options are there for surgical replacement material in anterior cruciate ligament injury?
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-hamstring, patellar tendon, allograft
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there are four phases to rehab of an ACL injury, when can pt return to sports?
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after a year
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cartilage::
1. blood supply to cartilage in knee? 2. cartilage made of living cells? 3. three causes of cartilage injury |
1. none
2. yes, but does not grow back 3. trauma, osteochondritis dissecans, degenerative disease |
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posterior cruciate ligament injury caused by?
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-direct blows to flexed knee, falling hard on knee
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posterior cruciate ligament injury SX?
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-swelling behind knee. instability, joint pain
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How do you test for PCL injury?
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-posterior drawer test
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