ABSTRACT A DESCRIPTIVE STUDY TO ASSES LIFE QUALITY OF ISOLATED ANTERIOR CRUCIATE LIGAMENT INJURY PATIENS POST RECONSTRUCTION SURGERY AT ARIFIN ACHMAD HOSPITAL RIAU PERIOD 2018-2020 By Nurafidah Fitria Atasyah Background : Rupture in the anterior cruciate ligament (ACL), which can be caused by direct or indirect injuries, known as Isolated ACL injuries or accompanied by other ligament injuri…