Advanced search
1 file | 488.66 KB Add to list

Morphological differences in the upper trapezius muscle between female office workers with and without trapezius myalgia: facts or fiction? : a cross-sectional study

Kayleigh De Meulemeester (UGent) , Patrick Calders (UGent) , Jo Van Dorpe (UGent) , Robby De Pauw (UGent) , Mirko Petrovic (UGent) and Barbara Cagnie (UGent)
Author
Organization
Abstract
Objective: Work-related trapezius myalgia is a common musculoskeletal disorder in office workers. Prolonged low-level muscle activity during office work may lead to morphological changes in the muscle tissue, causing pain and fatigue. The aim of the present study was to investigate differences in muscle morphology between office workers with and without trapezius myalgia. Design: Muscle biopsy samples were obtained from the upper trapezius of female office workers with trapezius myalgia (n = 17) and healthy controls (n = 15). Myosin heavy chain immunohistochemistry and Gomori trichrome stainings were performed to identify differences in muscle fiber type proportion, Feret's diameter, and internal nuclear proportion. Results: The myalgia group showed significantly more type IIA and IIA/IIX fibers and less type I and IIX fibers, compared with the control group (P < 0.001 to P = 0.005). No significant differences were found for Feret's diameter and internal nuclear proportion (P > 0.05). However, a significantly higher Feret's diameter was found for type I fibers, compared with type II fibers in both groups (P < 0.001 to P = 0.002). Several subjects of both groups displayed an internal nuclear proportion of more than 3%. Conclusions: Female office workers with trapezius myalgia show a different fiber type distribution compared with their healthy colleagues but display no differences in fiber size and internal nuclear proportion.
Keywords
Myofascial Neck Pain, Fiber Type Proportion, Feret's Diameter, Internal Myonuclei, SKELETAL-MUSCLE, NECK, FIBERS, METABOLISM, EXPRESSION, DISORDERS, ATPASE, PAIN, REST

Downloads

  • (...).pdf
    • full text
    • |
    • UGent only
    • |
    • PDF
    • |
    • 488.66 KB

Citation

Please use this url to cite or link to this publication:

MLA
De Meulemeester, Kayleigh et al. “Morphological Differences in the Upper Trapezius Muscle Between Female Office Workers with and Without Trapezius Myalgia: Facts or Fiction? : a Cross-sectional Study.” AMERICAN JOURNAL OF PHYSICAL MEDICINE & REHABILITATION 98.2 (2019): 117–124. Print.
APA
De Meulemeester, K., Calders, P., Van Dorpe, J., De Pauw, R., Petrovic, M., & Cagnie, B. (2019). Morphological differences in the upper trapezius muscle between female office workers with and without trapezius myalgia: facts or fiction? : a cross-sectional study. AMERICAN JOURNAL OF PHYSICAL MEDICINE & REHABILITATION, 98(2), 117–124.
Chicago author-date
De Meulemeester, Kayleigh, Patrick Calders, Jo Van Dorpe, Robby De Pauw, Mirko Petrovic, and Barbara Cagnie. 2019. “Morphological Differences in the Upper Trapezius Muscle Between Female Office Workers with and Without Trapezius Myalgia: Facts or Fiction? : a Cross-sectional Study.” American Journal of Physical Medicine & Rehabilitation 98 (2): 117–124.
Chicago author-date (all authors)
De Meulemeester, Kayleigh, Patrick Calders, Jo Van Dorpe, Robby De Pauw, Mirko Petrovic, and Barbara Cagnie. 2019. “Morphological Differences in the Upper Trapezius Muscle Between Female Office Workers with and Without Trapezius Myalgia: Facts or Fiction? : a Cross-sectional Study.” American Journal of Physical Medicine & Rehabilitation 98 (2): 117–124.
Vancouver
1.
De Meulemeester K, Calders P, Van Dorpe J, De Pauw R, Petrovic M, Cagnie B. Morphological differences in the upper trapezius muscle between female office workers with and without trapezius myalgia: facts or fiction? : a cross-sectional study. AMERICAN JOURNAL OF PHYSICAL MEDICINE & REHABILITATION. 2019;98(2):117–24.
IEEE
[1]
K. De Meulemeester, P. Calders, J. Van Dorpe, R. De Pauw, M. Petrovic, and B. Cagnie, “Morphological differences in the upper trapezius muscle between female office workers with and without trapezius myalgia: facts or fiction? : a cross-sectional study,” AMERICAN JOURNAL OF PHYSICAL MEDICINE & REHABILITATION, vol. 98, no. 2, pp. 117–124, 2019.
@article{8578123,
  abstract     = {Objective: Work-related trapezius myalgia is a common musculoskeletal disorder in office workers. Prolonged low-level muscle activity during office work may lead to morphological changes in the muscle tissue, causing pain and fatigue. The aim of the present study was to investigate differences in muscle morphology between office workers with and without trapezius myalgia. 
Design: Muscle biopsy samples were obtained from the upper trapezius of female office workers with trapezius myalgia (n = 17) and healthy controls (n = 15). Myosin heavy chain immunohistochemistry and Gomori trichrome stainings were performed to identify differences in muscle fiber type proportion, Feret's diameter, and internal nuclear proportion. 
Results: The myalgia group showed significantly more type IIA and IIA/IIX fibers and less type I and IIX fibers, compared with the control group (P < 0.001 to P = 0.005). No significant differences were found for Feret's diameter and internal nuclear proportion (P > 0.05). However, a significantly higher Feret's diameter was found for type I fibers, compared with type II fibers in both groups (P < 0.001 to P = 0.002). Several subjects of both groups displayed an internal nuclear proportion of more than 3%. 
Conclusions: Female office workers with trapezius myalgia show a different fiber type distribution compared with their healthy colleagues but display no differences in fiber size and internal nuclear proportion.},
  author       = {De Meulemeester, Kayleigh and Calders, Patrick and Van Dorpe, Jo and De Pauw, Robby and Petrovic, Mirko and Cagnie, Barbara},
  issn         = {0894-9115},
  journal      = {AMERICAN JOURNAL OF PHYSICAL MEDICINE & REHABILITATION},
  keywords     = {Myofascial Neck Pain,Fiber Type Proportion,Feret's Diameter,Internal Myonuclei,SKELETAL-MUSCLE,NECK,FIBERS,METABOLISM,EXPRESSION,DISORDERS,ATPASE,PAIN,REST},
  language     = {eng},
  number       = {2},
  pages        = {117--124},
  title        = {Morphological differences in the upper trapezius muscle between female office workers with and without trapezius myalgia: facts or fiction? : a cross-sectional study},
  url          = {http://dx.doi.org/10.1097/PHM.0000000000001029},
  volume       = {98},
  year         = {2019},
}

Altmetric
View in Altmetric
Web of Science
Times cited: