The “Champagne Toast” and “Pour” arm positions of manual muscle testing revealed a better isolation of supraspinatus activity compared to the Jobe test in a previous EMG study. The purpose of this study was to evaluate the clinical utility of preoperative “Champagne Toast” and “Champagne Pour” positions in patients with known rotator cuff tears undergoing rotator cuff repair (RCR) with regard to tear location and size.