Disuse atrophy of the quadriceps muscle.
D000293:Adolescent; D000328:Adult; D000368:Aged; D004576:Electromyography; D005260:Female; D006801:Humans; D007103:Immobilization; D008297:Male; D008875:Middle Aged; D009132:Muscles / Q000503:physiopathology*; D009133:Muscular Atrophy / Q000503:physiopathology*