Background Large Q-angles are risk factors for knee injuries including patellofemoral pain syndrome and anterior cruciate ligament injury. However, there is limited research on the characteristics of ...

high Q-angle (the angle between the thigh and shin bone when your knee is extended), although one dated study suggests otherwise structural problems in your knees or leg alignment, such as a ...

Minding the Q-angle and its effect on the ACL in sports injuries. Published: ; Jun. 10, 2014, 12:57 p.m.

Background Patellofemoral pain syndrome (PFPS) is the most common complaint in female volleyball players. Larger quadriceps femoris angle (Q angle) has been implicated as a source of patellofemoral ...