What is the name for the sign when a patient describes anterior knee pain after prolonged sitting?   This is called the movie theater sign and is classic of patellofemoral pain syndrome.

What is the name of the test that evaluates for tight IT band?   The name of this test is the ober test.

Does a grade 3 MCL tear require surgical or non-surgical management?   If the MCL is the only injury the patient has sustained, these are usually treated non-operatively.  If the patient has other injuries such as, other involved ligaments, avulsions, or entrapment of ligaments, then surgery may be indicated.