In this article, THANC systematically reviewed the evidence for the use of the Iowa Oral Performance Instrument (IOPI) to measure tongue strength and endurance in healthy populations and those with medical conditions. Researchers found sufficient evidence found to support the use of IOPI as a suitable tool for measuring tongue strength and endurance in clinical settings and intervention studies.
Valerie Adams, Bernice Mathisen, Surinder Baines, Cathy Lazarus, Robin Callister
Dysphagia, September 2013
