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NIU Dr.G's Ch 10

sp'12 324

genu valgum knock kneed
genu verum bow legged
baker's cycst involve only the bursa of the semimembranosus and medial head of the gastrocnemeous.
what force causes MCL sprains? valgus force.
what force causes LCL sprains? Varus force.
what is the cause of ACL sprains? non contact rotational or hyperextention
what is the cause of PCL sprains? hyperflexion or hyperextention while the knee is distracted.
Name what structures are effected in anterolateral rotary instability (ALRI) ACL, anterolateral capsule, LACL, IT band, biceps femoris, lateral meniscus, popliteus, posterolateral capsule.
Special tests to determine ALRI pivot shift, Slocum ALRI, flexion rotation drawer, slocum drawer, and cross over test.
Name what structures are effected in anteromedial rotary instability (AMRI) ACL, anteromedial capsual, MCL, pes anseriene, medial meniscus, posteromedial capsule.
Name what structures are effected in posterolateral rotary instability Posterolateral complex, LCL, biceps femoris
Name what structures are effected in posteromedial rotary instability posterior oblique ligament, MCL, semimebranosus, antermedial capule.
Special test to determine anteromedial rotary instability Slocum drawer and cross over test.
Special test to determine posterolateral rotary instability dial test, external rotation recuvatum test, posterolateral drawer test, reverse pivot shift, and dynamic posterior shift test.
what force causes meniscal tears? rotation and flexion
Which meniscus (medial or lateral) is involved in tears more often? Lateral
SIgns and symptoms of torn meniscus? Locking and clicking
Special Tests for meniscal tear McMurray's, Apley's, and Thessaly test
What are the different types of meniscal tears? vertical longitudinal, oblique, degenerative, transverse, horizontal.
What are Osteochondral lesions? series of disorders such as oserochondral defects and osteochondeitis desiccans
What are osteochondral defects(OCD)? fx of the articular articular cartilage and underlying bone.
Special test to find osteochondral defect? wilson's test
signs and symptoms of OCD? diffused pain and locking, knee's giving out, a "clunking" may be described. pain described during weight baring
What is the name of the procedure to repair OCD? autogenous chondrocyte transplantation or osteoarticular transplantation (OATS procedure)
Signs and Symptoms of IT band friction synodrome pt describes "burning" over the lateral femoral condyle that may radiate distallly. Pint tenderness where IT band passes over epicondyle. pain during MMTof hamstringsor quad but no pain in AROM/PROM
Special Test for IT band friction syndrome Noble compression test
Special Test for IT band tightness Ober's test.
what force causes tibiofemoral joint dislocations? knee hyperevtension combined with tibial rotation; postior displacement of the tibia with the knee flexed. Or an extreme force across the joint line can result in dislocation.
Partial tibiofemoral dislocation (frank dislocation) should be suspected if... If there is distal neurovascular symptoms and 3/4 of the knee ligaments are torn.
Created by: samelendez