youtube.com › watchThe 4 Stages of Swallowing: Biomechanics & Bolus Movement
With a normal swallow, food and liquids move from the mouth into the esophagus directed by a precise sequence of coordinated muscle movements. In order to adequately describe the biomechanics and bolus movement during swallow, the 4 stage model was developed: Oral Prepatory Stage, Oral Transit Stage, Pharyngeal Stage, and Esophageal Stage. The ...