and the deglutition‐related muscle activity in various body and head postures by surface
electromyography (EMG). Bipolar surface electrodes were placed on the right suprahyoid
and infrahyoid muscles of nine healthy adults (19–28 years) while swallowing jelly. Ten
postures per subject were examined: five body angulations (0°[supine], 30°, 60°, 90°[upright]
and 120° from the horizontal) and two head positions (chin‐up and chin‐down). The …