This single-center , prospective , randomized , double-blind , 2-arm , parallel group comparison trial was performed to establish whether the adult-sized laryngeal mask airway ( LMA ) Classic ( The Laryngeal Mask Company Ltd , Henley-on-Thames , UK ) could be used safely without any consideration of cuff hyperinflation when a cuff of the LMA Classic was inflated using half the maximum inflation volume or the resting volume before insertion of device .