Definition of phlegm for English Language Learners. : 1  a thick, yellowish liquid that is produced in the nose and throat especially when a person has a cold. : 2  calmness in a difficult or unpleasant situation.
Kneecap (Patellar) Subluxation. A subluxing patella (kneecap) is a temporary, partial dislocation of the kneecap from its normal position in the groove in the end of the thigh bone (femur). This groove is located between two bumps at the end of the thigh bone called the femoral condyles.
Q-Angle (contâd). Q-angle of 12 to 15 degrees is considered normal; while patients with patellar subluxation may have a Q-angle as high as 30 degrees Henry J.H., Goletz T.H., and Williamson B. âLateral Retinacular Release in Patellofemoral Subluxation.â Am J of Sports Med.