Knee

· ACL injury, sprain, tear (anterior cruciate ligament)
· Bursitis (joint inflammation)
· Dislocated kneecap (patella)
· Iliotibial band syndrome (ITB syndrome)
· LCL injury, sprain, tear (lateral collateral ligament)
· Lumbar radiculopathy (associated with disc herniation)
· MCL injury, sprain, tear (medical collateral ligament)
· Meniscal injury and tears
· Osteoarthritis
· Patellar tendinitis ("runner's knee" and "jumper's knee")
· Patellar tracking disorder
· PCL injury, sprain, tear (posterior cruciate ligament)
· Sprain/strain ("pulled" ligament/muscle)