The effects of this posture are as follows: First, it helps swallowing by reducing the laryngo- hyoid and hyoid-mandibular distances to loosen the pharyngeal constrictor muscle, thereby reducing the resistance of the surrounding tissues 12. The compensatory chin-tuck maneuver is defined as a movement that pulls the chin toward the chest 9, 10, and it is commonly employed in clinical practice 2, 11. Rehabilitation methods include neuromuscular electrical stimulation (NMES), the shaker exercise, the Mendelson maneuver, and effortful swallow 7, 8, and these are performed to facili-tate the recovery process 6. Among them, postural changes include the chin-tuck, head rotation, head back, and side-lying positions 4, 5, and these are performed to protect patients during eating and drinking 6. Compensatory approaches include food modification, postural changes, and compensatory maneuvers 4. Strategies for the prevention and treatment of dysphagia can be largely divided into compensatory and rehabilitation methods 3. This may lead to various complications such as malnutrition, dehydration, pneumonia, and asphyxia 2. Keywords: Chin-tuck, Chin-down, Dysphagia, Aspiration, Angleĭysphagia is a condition characterized by diffi-culties in moving liquid or solid bolus from the mouth to the pharynx, larynx, and esophagus 1. In future studies, further investigation of the posture, angles, and effects of the chin-tuck maneuver, could help identify additional benefits of this treatment. In addition, three studies analyzed the position of the neck flexion angle and the changing angle when performing the chin-tuck maneuver.Ĭonclusion: This shows that the chin-tuck maneuver is an effective strategy in the treatment of dysphagia. Results: Nine of the 12 studies found that the chin-tuck position not only helped in the opening of the upper esophageal sphincter (UES) but also reduced pharyngeal residues and prevented aspiration and penetration. Out of the 712 related papers identified, the methodological characteristics and results of 12 selected studies were reviewed. Methods: To identify academic papers on the chin-tuck maneuver published from January 2000 to January 2021, a literature search on three databases was performed using keywords, including chin-tuck, dysphagia, and head flexion. Objective: This study aimed at providing a critical review of the overall benefits of the chin-tuck maneuver through a systematic review of its effects when used in the treatment of dysphagia, as well as to provide basic data for a comparative analysis in future studies.
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