RecruitingDevice studyNormative Ranges of Lingual Strength and Endurance and the Impact of the IOPI Lingual Strength Trainer on Quantitative Functional Outcomes and Patient-Reported Outcomes After Partial Glossectomy or Hemiglossectomy for Oral Tongue Cancer, An Unblinded: Randomized Pilot StudyThe purpose of this study is to learn more about tongue strength and endurance by using the Iowa Oral Performance Instrument (IOPI). The IOPI is a device that measures tongue pressure.