“…Arthrofibrosis is a common cause of knee motion loss after knee surgery. 142,163 Patients with limited knee motion due to arthrofibrosis often complain of anterior knee pain, swelling after prolonged positions or activity, quadriceps weakness, and joint stiffness, which can result in decreased tolerance to stand, walk, or run, and difficulty returning to previous levels of activity. 112,140,159,161 Additionally, increases in patellofemoral contact pressure have been documented in knees with quadriceps or patellar tendon adhesions.…”