Upper to Middle Trapezius Muscle Activation Ratio During Scapular Retraction Exercise at Different Shoulder Abduction Angles

Gülcan Harput; Hande Güney Deniz; İrem Düzgün

doi:10.21653/tfrd.360019

Upper to Middle Trapezius Muscle Activation Ratio During Scapular Retraction Exercise at Different Shoulder Abduction Angles

Öz

Purpose: The purpose of this study was to evaluate the upper trapezius to middle trapezius muscle activation ratio (UT:MT) during scapular retraction exercises at different shoulder abduction degrees in healthy individuals.

Methods: Twenty healthy individuals (10 males, 10 females) participated in this study (age: 22.90±2.84 years). A surface electromyography system (TELEmyo DTS; Noraxon USA, Inc, Scottsdale, AZ) was used to measure the activation levels of the upper trapezius and middle trapezius muscles during scapula retraction exercises. For the scapular retraction exercise, participants were instructed to perform a resisted scapula retraction with an elastic band at each of the following shoulder abduction angles: 0º, 45º, 60º and 90º. A repeated measures of ANOVA was used to determine whether UT:MT ratio differed among scapula retraction exercises.

Results: There was significant exercise effect on UT:MT ratio (F(3,57)=7.532, p<0.001). The UT:MT ratio was lower at 0º scapular retraction exercise when compared to 45º (p=0.024), 60º (p=0.031) and 90º (p=0.003) scapular retraction exercises. There was no difference between 45º and 60º (p=0.283), and 60º and 90º (p=1.000) scapular retraction exercises regarding UT:MT ratios.

Conclusion: Compared to 45° and 60° of shoulder abduction, UT:MT ratio was greater at 60° and 90° of shoulder abduction. Since UT:MT ratio was lower than one, scapula retraction exercise at or under 90° of shoulder abduction might be suggested for the individuals with shoulder problems.

Anahtar Kelimeler

Exercise,Electromyography,Scapula,Shoulder Joint

References

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Details

Primary Language

Turkish

Subjects

Health Care Administration

Journal Section

Research Article

Authors

Gülcan Harput ^*

Hande Güney Deniz

İrem Düzgün

Publication Date

December 14, 2017

Submission Date

August 4, 2017

Acceptance Date

September 21, 2017

Published in Issue

Year 2017 Volume: 28 Number: 3

DOI

https://doi.org/10.21653/tfrd.360019

IZ

https://izlik.org/JA55GY38CN

Cite

RIS / Bibtex

APA

Harput, G., Güney Deniz, H., & Düzgün, İ. (2017). Upper to Middle Trapezius Muscle Activation Ratio During Scapular Retraction Exercise at Different Shoulder Abduction Angles. Fizyoterapi Rehabilitasyon, 28(3), 111-117. https://doi.org/10.21653/tfrd.360019

AMA

1.Harput G, Güney Deniz H, Düzgün İ. Upper to Middle Trapezius Muscle Activation Ratio During Scapular Retraction Exercise at Different Shoulder Abduction Angles. Fizyoterapi Rehabilitasyon. 2017;28(3):111-117. doi:10.21653/tfrd.360019

Chicago

Harput, Gülcan, Hande Güney Deniz, and İrem Düzgün. 2017. “Upper to Middle Trapezius Muscle Activation Ratio During Scapular Retraction Exercise at Different Shoulder Abduction Angles”. Fizyoterapi Rehabilitasyon 28 (3): 111-17. https://doi.org/10.21653/tfrd.360019.

EndNote

Harput G, Güney Deniz H, Düzgün İ (December 1, 2017) Upper to Middle Trapezius Muscle Activation Ratio During Scapular Retraction Exercise at Different Shoulder Abduction Angles. Fizyoterapi Rehabilitasyon 28 3 111–117.

IEEE

[1]G. Harput, H. Güney Deniz, and İ. Düzgün, “Upper to Middle Trapezius Muscle Activation Ratio During Scapular Retraction Exercise at Different Shoulder Abduction Angles”, Fizyoterapi Rehabilitasyon, vol. 28, no. 3, pp. 111–117, Dec. 2017, doi: 10.21653/tfrd.360019.

ISNAD

Harput, Gülcan - Güney Deniz, Hande - Düzgün, İrem. “Upper to Middle Trapezius Muscle Activation Ratio During Scapular Retraction Exercise at Different Shoulder Abduction Angles”. Fizyoterapi Rehabilitasyon 28/3 (December 1, 2017): 111-117. https://doi.org/10.21653/tfrd.360019.

JAMA

1.Harput G, Güney Deniz H, Düzgün İ. Upper to Middle Trapezius Muscle Activation Ratio During Scapular Retraction Exercise at Different Shoulder Abduction Angles. Fizyoterapi Rehabilitasyon. 2017;28:111–117.

MLA

Harput, Gülcan, et al. “Upper to Middle Trapezius Muscle Activation Ratio During Scapular Retraction Exercise at Different Shoulder Abduction Angles”. Fizyoterapi Rehabilitasyon, vol. 28, no. 3, Dec. 2017, pp. 111-7, doi:10.21653/tfrd.360019.

Vancouver

1.Gülcan Harput, Hande Güney Deniz, İrem Düzgün. Upper to Middle Trapezius Muscle Activation Ratio During Scapular Retraction Exercise at Different Shoulder Abduction Angles. Fizyoterapi Rehabilitasyon. 2017 Dec. 1;28(3):111-7. doi:10.21653/tfrd.360019

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