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31 Cards in this Set
- Front
- Back
- 3rd side (hint)
Medial Instability- What is involved?
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MCL/TIbial Collateral Ligament
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What tests are used to check for a medial instability?
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Abduction (Valgus) Stress Test
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How does a Medial Instability occur?
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Valgus stress
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What is torn with a Medial Instability?
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MCL
Posterior Oblique Ligament Posteromedial capsule ACL PCL Medial Quad Expansion Semimembranosus M |
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What is involved with a Lateral Instability?
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LCL/Fibular Collateral Ligament
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How does a Lateral Instability occur?
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Varus Stress.
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Most often associated with ACL & PCL Injury
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What tests are used to diagnose a Lateral Instability?
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Adduction (Varus) Stress Test
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What is injured with Lateral Instability?
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LCL
Posterolateral COmplex Arcuate Popliteal Complex Biceps Femoris Tendon ACL PCL Lateral Gastroc |
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Posterior Stability is mainly looking at...
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PCL
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PMRI is the same thing
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What tests can be done to determine if the pt has a posterior instability?
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Posterior Sag Sign
Godfrey (Gravity) Test Reverse Lochman's Drawer |
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How does posterior instability occur?
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Contact- Blow to the front of the tibia w/ a flexed knee
Fall on a flexed knee with PF |
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What is torn with a posterior instability?
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PCL
Posterior Oblique Ligament Posteromedial Capsule ACL |
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What is the major player in Anterior Instability?
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ACL
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What tests can be done to diagnose Anterior Instability Issues?
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Lachman's (4 Modifications)
Active Lachman's Drawer Sign Active Drawer |
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What kind of injury causes anterior instability?
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Non contact- Deceleration, landing from a jump, twisting or cutting activities
Contact- Valgus force to a planted foot |
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What is injured with an anterior instability?
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ACL
Posterior Oblique Ligament Arcuate-Popliteal Complex |
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What is the initial test you would do to loofa for instability?
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Losse Disco Test- The pt will c/o instability
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How do you get a AMRI?
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ER Tibia
IR Femur Can be contact or non-contact |
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What test would you do to diagnose an AMRI?
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Slocum (Toes ER 15)
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What is injured with an AMRI?
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MCL
Posterior Oblique Ligament Posterior Medial Capsule ACL |
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What is a functional test for AMRI?
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Side Step Cut
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How would you get an ALRI?
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IR Tibia
ER Femur Contact/Non-Contact |
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How would you test for ALRI?
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Lateral Pivot Shift*** (Ext --> Flex)
Jerk Test (Flex-->Ext) Socum (Toes IR 30) Flexion Drawer Test |
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What is injured with an ALRI?
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ACL
Posterior Lateral Capsule LCL ITB |
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What is a functional test you can use to test ALRI?
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Cross over cut
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How do you determine the rotational stability?
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What surface of the tibia moves excessively
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What causes PLRI?
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ER Tibia
IR Femur Contact/Non-Contact |
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What is a PMRI?
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Straight plane posterior because the Axis of rotation is gone
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What must occur to have a PLRI?
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PCL must be stressed/stretch- NOT TORN
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How can you test for PLRI?
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Posterior Lateral drawer sign
ER Recurvatum Test Active Posterior Lateral Drawer |
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What is injured with a PLRI injury?
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Arcuate Popliteus Complex
Poster 1/3 lateral compartment LCL Popliteus Lateral Gastroc Head (Acl, Posterior lateral capsule, PCL, Biceps femoris Tendon- Form McGee) |
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