Comparison of Geniohyoid Muscle Morphology Assessment Using Conventional and Handheld Ultrasound Devices

HHUDs can be used for GM morphological assessment; however, clinicians should account for their tendency to produce smaller values compared to UISs. HHUD-based evaluation of the GM may have future applications in assessing sarcopenia-related dysphagia in older adults and in home-based clinical settings.