Pengaruh Teknik Rekonstruksi Single Bundle dan Double Bundle Anterior Cruciate Ligament terhadap Stabilitas dan Integritas Kartilago Sendi Lutut: Ditinjau dari Pemeriksaan Tes Lachman, Tes Pivot, Rolimeter, sfCOMP, dan MRI T2-Map = The Effect of Single-Bundle and Double-Bundle Anterior Cruciate Ligament Reconstruction on Changes in Stability and Integrity of Knee Joint Cartilage: Reviewed from Lachman Test Examination, Pivot Test, Rolimeter, sfCOMP, and MRI T2-Map.