Abstract
Chin-tuck are effective in patients with dysphagia, where aspiration can occur due to pharyngeal swallowing delays. This study aims to verify whether Chin-tuck Assistant System Maneuver (CAS-M) supplemented with Chin-Tuck Maneuver (CTM) is effective for learning and maintaining correct chin-tuck postures. In addition, we investigated the possibility of using CAS-M as a customized rehabilitation treatment program for patients with poor cognitive ability, attention issues, and general swallowing disorders. To demonstrate the effectiveness of CAS, we recruited 52 healthy adults and assigned them to 2 groups. The CTM group was trained to maintain the correct chin-tuck posture using the general Chin-Tuck Maneuver, while the CAS-M group was trained using CAS. Four evaluations were conducted using CAS to investigate the degree of postural maintenance of chin-tuck before and after intervention. The CAS-M group showed a statistically significant difference in TIME, BEEP, and change (P < .05), but the CTM group showed no statistically significant differences (P < .05). YZ evaluation showed no statistically significant differences in both groups. After examining the effects of CAS-M using CAS on healthy adults, we confirmed this to be a more effective method for correct chin-tuck posture than conventional CTM.
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