Michael Hughes MD
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A 28-year-old football player sustains a contact knee injury while being tackled. On physical exam, he has a 1A Lachman, and a normal McMurray test. His posterior drawer, dial, and varus stress tests are normal. He has pain and 5mm opening on valgus stress at 30 degrees of flexion. Which statement is true regarding the injured structure?
Resides between layers 1 and 2 on medial side of knee
Inserts onto Gerdy's tubercle
Originates slightly posterior and proximal to the medial epicondyle
Courses intraarticularly thru hiatus of lateral meniscus
Has an attachment between adductor tubercle and medial epicondyle at Schöttle's point
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Isolated transection of the posterolateral(PL) bundle of the ACL has what effect on anterior tibial translation and rotatory stability of the knee?
Increased tibial translation and rotation at 30 degrees of flexion
Increased tibial translation and rotation at 90 degrees of flexion
Increased tibial translation at 30 degrees of flexion and increased rotation at 90 degrees of flexion
Increased tibial translation at 90 degrees and negligible effect on rotatory stability
Increased tibial translation at 30 degrees and negligible effect on rotatory stability
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HPI - Knee trauma 2 weeks ago while playing sports. Felt a pop. Now has pain, swelling and limited range of motion.
Given the information above, how would you treat this athlete?