Figure 4From: Oral vs. pharyngeal dysphagia: surface electromyography randomized study An example of normal drinking of 100 cc of water. It took this subject 11.04 sec to drink 100 cc of water in 7 swallows. Upper line = the submental-submandibular electrode location, middle line = the masseter electrode location, lower line = the infrahyoid location. All these muscles are almost completely relaxed before and after drinking.Back to article page