Tehran University of Medical Sciences Archives of Anesthesiology and Critical Care 2423-5849 0 0 2026 05 10 1517 1517 Bhavini Shah Dr. D. Y. Patil Medical College, Hospital & Research Centre, Dr. D. Y. Patil Vidyapeeth (Deemed to be University), Pune, Maharashtra, India. Priyanka Wadikar Dr. D. Y. Patil Medical College, Hospital & Research Centre, Dr. D. Y. Patil Vidyapeeth (Deemed to be University), Pune, Maharashtra, India. Jayant Bhatia Dr. D. Y. Patil Medical College, Hospital & Research Centre, Dr. D. Y. Patil Vidyapeeth (Deemed to be University), Pune, Maharashtra, India. 2025 12 10 2025 12 27 The adductor canal block (ACB) is a commonly used regional anesthesia technique in anterior cruciate ligament (ACL) repair that provides effective postoperative analgesia while preserving motor function. The adductor canal extends from the apex of the femoral triangle to the adductor hiatus and is roofed by the sartorius muscle and vasto-adductor (V-A) fascia. The subsartorial space, situated between the sartorius and V-A fascia, contains the subsartorial plexus, which contributes to the sensory innervation of the knee. https://aacc.tums.ac.ir/index.php/aacc/article/view/1517