A Pilot Study of the Tongue Pull-Back Exercise for Improving Tongue-Base Retraction and Two Novel Methods to Add Resistance to the Tongue Pull-Back

Laurie Slovarp, Lauren King, Catherine Off, Julie Liss

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

This pilot study investigated the tongue pull-back (TPB) exercise to improve tongue-base retraction as well as two methods to add resistance to the TPB. Surface electromyography (sEMG) to the submental triangle was used as an indication of tongue-base activity on 13 healthy adults during: (1) saliva swallow, (2) 15 mL water swallow, (3) effortful swallow, (4) unassisted TPB, (5) TPB with added resistance by holding the tongue with gauze (finger-resisted TPB), and (6) TPB with the tongue clipped to a spring-loaded tension resistance device (device-resisted TPB). Order of the exercises was randomized. The exercises fell into two groups—weak and intense. Weak exercises included saliva swallow, water swallow, and unassisted TPB (mean sEMG = 19.07 μV, p = .593). Intense exercises included effortful swallow, finger-resisted TPB, and device-resisted TPB (mean sEMG = 36.44 μV, p = .315). Each intense exercise resulted in significantly higher mean sEMG peak amplitude than each weak exercise (p <.05), with one exception; the effortful swallow was not significantly different than the unassisted TPB (p = .171). This study provides preliminary evidence that the unassisted TPB may not be any more helpful for improving tongue-base retraction than normal swallowing. Adding resistance to the TPB by holding the tongue with gauze may be an effective alternative. This study also demonstrates proof-of-concept for creating a device to attach to the tongue and provide tension resistance during the TPB exercise. Further research with a more sophisticated design is needed before such a device can be fully developed and implemented clinically.

Original languageEnglish (US)
Pages (from-to)1-8
Number of pages8
JournalDysphagia
DOIs
StateAccepted/In press - Feb 9 2016

Fingerprint

Tongue
Exercise
Deglutition
Electromyography
Equipment and Supplies
Saliva
Fingers
Water

Keywords

  • Deglutition
  • Deglutition disorders
  • Dysphagia
  • Effortful swallow
  • Electromyography
  • Strength training
  • Tongue pull-back
  • Tongue-base retraction

ASJC Scopus subject areas

  • Otorhinolaryngology
  • Gastroenterology
  • Speech and Hearing

Cite this

A Pilot Study of the Tongue Pull-Back Exercise for Improving Tongue-Base Retraction and Two Novel Methods to Add Resistance to the Tongue Pull-Back. / Slovarp, Laurie; King, Lauren; Off, Catherine; Liss, Julie.

In: Dysphagia, 09.02.2016, p. 1-8.

Research output: Contribution to journalArticle

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