
Brandon Winchester, MD, Regional Anesthesia Fellowship Director, Andrews Institute for Orthopedics & Sports Medicine, Co-Founder, BLOCKJOCKS.COM - The adductor canal block is a novel regional anesthesia technique for major knee surgery that has emerged over the last several years. While adductor canal blocks provide similar rapid onset analgesia compared to traditional femoral nerve blocks, their advantage vs. femoral blocks is that they spare the quadriceps muscles and therefore do not result in motor weakness in the leg.