Injuries of the quadriceps mechanism.
D000293:Adolescent; D000328:Adult; D005260:Female; D006801:Humans; D007717:Knee / Q000033:anatomy & histology; D007718:Knee Injuries / Q000000981:diagnostic imaging*; D007719:Knee Joint / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D009132:Muscles / Q000293:injuries*; D011859:Radiography; D012421:Rupture; D013708:Tendon Injuries / Q000000981:diagnostic imaging*