COMPARISON OF NORMALIZED MUSCLE ACTIVATION EFFECTS OF THREE DIFFERENT EXERCISES ON SUPRAHYOID MUSCLES IN HEALTHY SUBJECTS

Yıl 2019, Cilt: 30 Sayı: 1, 48 - 57, 16.04.2019

Hasan Erkan Kılınç , Ömer Faruk Yaşaroğlu Selen Serel Arslan , Numan Demir , Mehmet Akif Topçuoğlu Ayşe Karaduman

https://doi.org/10.21653/tfrd.450812

Öz

Purpose:The most
important airway protection mechanism during swallowing is adequate laryngeal
elevation. Suprahyoid muscles are responsible for laryngeal elevation. The
aim of our study was to compare the effects of 
three different exercises including Shaker,  CTAR 
and a new method Chin Tuck with TheraBand Exercises on suprahyoid
muscles activity.

Methods:Forty-two
healthy subjects with a mean age of  27.92±5.02 years (min=18, max=40), of which 50% were
male were included. All  individuals  were divided into three groups; Chin Tuck
Against Resistance (CTAR); Group 1, Shaker exercise; Group 2, Chin Tuck
Exercise with Theraband (Theraband); Group 3, with computerized randomization. Surface
EMG evaluation was performed to determine 
electrical activity  of the
suprahyoid muscles during maximal voluntary isometric contraction and during performing
CTAR, Shaker exercise and Chin Tuck with Theraband. Normalized suprahyoid muscle
activations were calculated  as: Recorded
Maximum Electrical Activity During Exercise 
(mV) / Recorded Maximum Electrical  Activity During Maximum İsometric Contraction
(mV).

Results:A
statistically significant difference was found between three groups in terms of
normalized suprahyoid muscle activiteit (p<0.001). The difference between three groups was caused
by the difference between Group 1 and Group 2 (p<0.001) and between Group1 and
Group 3 (p=0.040) in favor of Group 1.  No
difference was found between Group 2 and Group3 (p=0.104).

Conclusion:In
conclusion, primarily CTAR exercise should be included in rehabilitation to
increase the suprahyoid muscle activation. In addition, chin tuck exercise with
Therband can also be considered as an alternative to CTAR.

Anahtar Kelimeler

Deglutition, Electromyography, dysphagia

A COMPARISON OF ACTIVATION EFFECTS OF THREE DIFFERENT EXERCISES ON SUPRAHYOID MUSCLES IN HEALTHY SUBJECTS

Öz

Purpose: The most crucial airway protection mechanism during swallowing is adequate laryngeal elevation. Suprahyoid muscles are responsible for laryngeal elevation. Our study aimed to compare the effects of three different exercises, Shaker, resistance chin tuck (CTAR) exercise, and chin tuck exercise with theraband, on suprahyoid muscles activity responsible for laryngeal elevation.

Methods: Forty-two healthy subjects with a mean age of 27.92±5.02 years (18-40 years), of which 50% were male were included. All individuals were divided into three groups with computerized randomization. Surface Electromyography (EMG) evaluation was performed to determine electrical activity of the suprahyoid muscles (geniohyoid, mylohyoid, anterior belly of digastric, thyrohyoid, stylohyoid muscles) during maximal voluntary isometric contraction and during performing CTAR, Shaker exercise and chin tuck with theraband. Normalized suprahyoid muscle activations were calculated as the recorded maximum electrical activity during exercise (mV)/recorded maximum electrical activity during maximum isometric contraction (mV).

Results: A statistically significant difference was found between three groups regarding normalized suprahyoid muscle activation (p<0.001). The difference between the three groups was caused by the difference between CTAR and Shaker (p<0.001) and between CTAR and theraband (p=0.040) in favor of CTAR. No difference was found between Shaker and theraband (p=0.104).

Conclusion: Primarily CTAR exercise should be included in rehabilitation to increase the suprahyoid muscle activation. In addition, chin tuck exercise with theraband can also be considered as an alternative to CTAR.

Anahtar Kelimeler

Dysphagia; Electromyography; Suprahyoid Muscles

Kaynakça

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