“…23 In a small percentage of patients, trauma to the thigh and knee may be something more serious than the commonly occurring contusions, muscle strains, cartilage tears or ligament disorders, such as fracture, 5 knee dislocation, 110 or neurovascular compromise. 110 In addition, following surgical intervention, serious conditions may develop, such as arthrofibrosis, 91,92 postoperative infection and septic arthritis, 134 deep vein thrombosis, 106 and patella fractures. 130 Vigilance is warranted for these conditions.…”