무릎의 병력청취(History taking)

1. Medical history 

1) Previous injury or Hx of surgery 

2) Meds used to treat Sx 

3) Physical therapy

4) Braces or other devices used 

5) Hx of Gout, RA, DJD 

2. Mechanism of injury

1) Direct trauma(Contusion, Bursitis, Fx) 

2) Hyperextension(ACL/Joint capsule sprain) 

3) Hyperflexion(PCL/Joint capsule sprain) 

4) Fall on flexed knee(PCL sprain) 

5) Valgus stress(MCL injury, Meniscus tear) 

6) Varus stress(LCL injury, Meniscus tear) 

7) Rotational stress(ACL injury, Meniscus tear)

3. Pain

1) Onset rapid or insidious 

2) How long has it been present 

3) Where is it located 

4) Severity & Quality 

5) Agg fx & Rel fx 

6) Bear weight immediately or not

4. Mechanical symptom

1) Locking or catching -> Meniscus 

2) Popping(at injury and/or know) -> ACL, PCL 

3) Giving way(=Buckling) 

4) Stiffness 

5) Crepitus