Effect of conscious abdominal contraction on the activation of periscapular muscles in individuals with subacromial pain syndrome
- Author
- Ramon de Oliveira Scatolin, Gisele Harumi Hotta, Ann Cools (UGent) , Guilherme Augusto Paiva Custodio and Anamaria Siriani de Oliveira
- Organization
- Abstract
- Background: Synergism between shoulder and trunk muscles seems to be effective to increase periscapular muscle activation in asymptomatic subjects. The influence of conscious contraction of the abdominal muscles has not yet been studied in non-athlete subjects with pain. The study aimed to investigate the effect of the instruction for conscious activation of the abdominal muscles on the activity of the scapulothoracic muscles during shoulder exercises in subjects with subacromial pain syndrome. Method: Thirty subjects with unilateral pain (mean age 52 +/- 11 years) participated in this study. Three isometric and five dynamic exercises for the scapulothoracic muscles were assessed. The group without instruction just repeated the exercises, while the instruction group was evaluated before and after conscious abdominal training. The linear mixed model analysis was used to compare the muscle activation between groups. Findings: Differences between groups after the conscious abdominal contraction for activation of middle and lower trapezius on the symptomatic side in the "Full can"(p = 0.03; effect size:0.92 middle trapezius); (p = 0.02; effect size:0.96 lower trapezius) and "Knee Push" (p = 0.01; effect size:0.75 lower trapezius). For asymptomatic side, the exercises "External Rotation Kneeling" (p = 0.04; effect size: 0.81 lower trapezius); (p = 0.00; effect size: 2.09 serratus anterior), "Knee Push" (p = 0.04; effect size:1.24 serratus anterior) and "Wall Slide" (p = 0.01; effect size: 1.03 serratus anterior). Interpretation: Conscious contraction of the abdominal muscle immediately alter the activation of the serratus anterior muscle during closed kinetic chain exercises on the asymptomatic side and increased activation of trapezius on the symptomatic side during shoulder open kinetic chain exercise.
- Keywords
- SCAPULAR ORIENTATION, CLINICAL IMPORTANCE, SERRATUS ANTERIOR, SHOULDER, PAIN, EXERCISES, STABILIZATION, RECRUITMENT, KINEMATICS, Subacromial pain syndrome, Function, Rehabilitation, Exercise therapy
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Citation
Please use this url to cite or link to this publication: http://hdl.handle.net/1854/LU-8743055
- MLA
- Scatolin, Ramon de Oliveira, et al. “Effect of Conscious Abdominal Contraction on the Activation of Periscapular Muscles in Individuals with Subacromial Pain Syndrome.” CLINICAL BIOMECHANICS, vol. 84, 2021, doi:10.1016/j.clinbiomech.2021.105349.
- APA
- Scatolin, R. de O., Hotta, G. H., Cools, A., Paiva Custodio, G. A., & de Oliveira, A. S. (2021). Effect of conscious abdominal contraction on the activation of periscapular muscles in individuals with subacromial pain syndrome. CLINICAL BIOMECHANICS, 84. https://doi.org/10.1016/j.clinbiomech.2021.105349
- Chicago author-date
- Scatolin, Ramon de Oliveira, Gisele Harumi Hotta, Ann Cools, Guilherme Augusto Paiva Custodio, and Anamaria Siriani de Oliveira. 2021. “Effect of Conscious Abdominal Contraction on the Activation of Periscapular Muscles in Individuals with Subacromial Pain Syndrome.” CLINICAL BIOMECHANICS 84. https://doi.org/10.1016/j.clinbiomech.2021.105349.
- Chicago author-date (all authors)
- Scatolin, Ramon de Oliveira, Gisele Harumi Hotta, Ann Cools, Guilherme Augusto Paiva Custodio, and Anamaria Siriani de Oliveira. 2021. “Effect of Conscious Abdominal Contraction on the Activation of Periscapular Muscles in Individuals with Subacromial Pain Syndrome.” CLINICAL BIOMECHANICS 84. doi:10.1016/j.clinbiomech.2021.105349.
- Vancouver
- 1.Scatolin R de O, Hotta GH, Cools A, Paiva Custodio GA, de Oliveira AS. Effect of conscious abdominal contraction on the activation of periscapular muscles in individuals with subacromial pain syndrome. CLINICAL BIOMECHANICS. 2021;84.
- IEEE
- [1]R. de O. Scatolin, G. H. Hotta, A. Cools, G. A. Paiva Custodio, and A. S. de Oliveira, “Effect of conscious abdominal contraction on the activation of periscapular muscles in individuals with subacromial pain syndrome,” CLINICAL BIOMECHANICS, vol. 84, 2021.
@article{8743055, abstract = {{Background: Synergism between shoulder and trunk muscles seems to be effective to increase periscapular muscle activation in asymptomatic subjects. The influence of conscious contraction of the abdominal muscles has not yet been studied in non-athlete subjects with pain. The study aimed to investigate the effect of the instruction for conscious activation of the abdominal muscles on the activity of the scapulothoracic muscles during shoulder exercises in subjects with subacromial pain syndrome. Method: Thirty subjects with unilateral pain (mean age 52 +/- 11 years) participated in this study. Three isometric and five dynamic exercises for the scapulothoracic muscles were assessed. The group without instruction just repeated the exercises, while the instruction group was evaluated before and after conscious abdominal training. The linear mixed model analysis was used to compare the muscle activation between groups. Findings: Differences between groups after the conscious abdominal contraction for activation of middle and lower trapezius on the symptomatic side in the "Full can"(p = 0.03; effect size:0.92 middle trapezius); (p = 0.02; effect size:0.96 lower trapezius) and "Knee Push" (p = 0.01; effect size:0.75 lower trapezius). For asymptomatic side, the exercises "External Rotation Kneeling" (p = 0.04; effect size: 0.81 lower trapezius); (p = 0.00; effect size: 2.09 serratus anterior), "Knee Push" (p = 0.04; effect size:1.24 serratus anterior) and "Wall Slide" (p = 0.01; effect size: 1.03 serratus anterior). Interpretation: Conscious contraction of the abdominal muscle immediately alter the activation of the serratus anterior muscle during closed kinetic chain exercises on the asymptomatic side and increased activation of trapezius on the symptomatic side during shoulder open kinetic chain exercise.}}, articleno = {{105349}}, author = {{Scatolin, Ramon de Oliveira and Hotta, Gisele Harumi and Cools, Ann and Paiva Custodio, Guilherme Augusto and de Oliveira, Anamaria Siriani}}, issn = {{0268-0033}}, journal = {{CLINICAL BIOMECHANICS}}, keywords = {{SCAPULAR ORIENTATION,CLINICAL IMPORTANCE,SERRATUS ANTERIOR,SHOULDER,PAIN,EXERCISES,STABILIZATION,RECRUITMENT,KINEMATICS,Subacromial pain syndrome,Function,Rehabilitation,Exercise therapy}}, language = {{eng}}, pages = {{9}}, title = {{Effect of conscious abdominal contraction on the activation of periscapular muscles in individuals with subacromial pain syndrome}}, url = {{http://doi.org/10.1016/j.clinbiomech.2021.105349}}, volume = {{84}}, year = {{2021}}, }
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