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Flashcards in MCL injury Deck (11):
1

what is the superficial origin and insertion of MCL

-medial epicondyle
-anteromedial tibia

2

what is the deep origin and insertion of MCL

-tibia via coronary ligaments
-joint margins and medial meniscus

3

-what is the mechanism of injury for an MCL injury

-valgus stress to a partially flexed knee

4

what is the contact mechanism of injury for an MCL

-blow to the side of the knee while foot is planted

5

what is the non contact mechanism for an MCL

-knee forced sideways by bodyweight

6

what is a grade 1 MCL

-Local tenderness over MCL
-usually no swelling
-pain on valgus stress test, no laxity
-ligament integrity in tact

7

what is a grade 2 MCL

-marked tenderness
-localised swelling
-pain on valgus stress test
-some laxity but distinct end point

8

what is a grade 3 MCL

-complete tear
-wobbly knee
-pain
-difficulty bending the knee
-gross laxity on valgus stress test

9

What is the valgus stress test

-0-20 degress knee flexion
-pressure applied to lateral side of knee

10

what are the symptoms of an MCL

-pain
-swelling
-bruising
grade 3 - feelings of instability / knee giving out

11

what are the signs of an MCL

-pain
-swelling (grade 2+3)
-medial joint line tenderness
-valgus stress test
- +/- lack of full extension