Shoulder muscle weakness effects on muscle hardness around the shoulder joint and scapulae
Published on: 21st April, 2020
OCLC Number/Unique Identifier: 8598594231
Purpose: The time course of muscle stiffness of muscles around the shoulder joint and the scapula was investigated according to the degree of muscle weakness. This study was conducted to clarify the recovery process of muscle hardness of the muscles surrounding the shoulder joint and the scapula after the shoulder internal and external rotational exercises.
Methods: Participants were 7 healthy men (23.6 ± 1.4 yr), repeated internal and external rotations of the shoulder joint until the mean work of three internal and external rotations each was less than 90%, 80%, or 70% of the standard. Muscle hardness of the supraspinatus muscle, the infraspinatus muscle, and the rhomboideus muscle was measured before, immediately after, and 1to 72 hr after each bout of exercise.
Muscle hardness was measured as Strain ratio using an ultrasound real-time tissue elastography. In addition, the rates of change were calculated using muscle hardness before exercise as the standard, to compare differences in the rate of change after exercise between conditions.
Results: The rates of change of the Strain ratio between measurements taken before and after exercise were compared among conditions for the infraspinatus muscle. Results were -7.1 ± 5.3, -15.2 ± 10.3, and -25.0 ± 8.8, respectively, at 90%, 80%, and 70%, with a significant difference between a decrease to 90% and to 70% (p < 0.05). Significant difference was found in the change over time for the infraspinatus muscle only between values obtained immediately after exercise and after 72 hr at a decrease to 70% (p < 0.05).
Conclusion: Those results described above demonstrated that the infraspinatus muscle and the supraspinatus muscle were harder immediately after exercise when the shoulder joint was at a higher degree of muscle weakness, and demonstrated that the change was likely to be recovered after 72 hr.
Search by University/Institution
Enter your University/Institution to find colleagues at HSPI.
Ensuring author's satisfaction with
- Friendly and hassle-free publication process
- Less production time of articles
- Constructive peer-review
- Enhancing journal reputation
- Regular feedback system
- Quick response to authors' queries
Most Viewed Keywords
- Glycemic status
- Volume of fluid
- Hearing loss
- Allergens
- Pulmonary aspergillosis
- Refractive anomalies
- Mitochondria
- Immune system
- Fusion reactors
- Single dose radiotherapy
- Spontaneous pneumomediastinum
- Fecal microbiota transplantation treatment
- DNA
- Hospital length of stay
- Taurodontism
- Morbid obesity
- Allium vegetables
- Subacromial
- Brain imaging
- Alcoholism
Search Articles by Country
Get all latest articles in all Heighten Science Publications Inc journals by country.
Testmonials
It was a great experience publishing through JCICM. The article has reached out to several institutions. Appreciate your professional work. Hope to work with you again
Anas Wardeh
We appreciate the fact that you decided to give us full waiver for the applicable charges and approve the final version. You did an excellent job preparing the PDF version. Of course we will consider your magazine for our future submissions and we will pay the applicable fees then.
Anna Dionysopoulou
“It was a delightful experience publishing my manuscript with the Clinical Journal of Obstetrics and Gynecology. They offered me lots of opportunities I never had from most publishing houses and their prompt services are greatly appreciated.”
Department of Agricultural Economics, Agribusiness and Extension, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
Akowuah Jones Asafo
"This is my first time publishing with the journal/publisher. I am impressed at the promptness of the publishing staff and the professionalism displayed. Thank you for encouraging young researchers like me!"
Ajite Kayode
Journal of Pulmonary and Respiratory Research is good journal for respiratory research purposes. It takes 2-3 weeks maximum for review of the manuscript to get published and any corrections to be made in the manuscript. It needs good articles and studies to get publish in the respiratory medicine. I am really glad that this journal editors helped me to get my case report published.
Divya Khanduja
Many thanks for publishing my article in your great journal and the friendly and hassle-free publication process, the constructive peer-review, the regular feedback system, and the Quick response to any queries.
Azab Elsayed Azab
Congratulations for the excellence of your journal and high quality of its publications.
Angel MARTIN CASTELLANOS
Submission of paper was smooth, the review process was fast. I had excellent communication and on time response from the editor.
Ekiti State University Teaching Hospital, Nigeria
Ayokunle Dada
Thank you very much for your support and encouragement. I am truly impressed by your tolerance and support. Thank you very much
Diaverum: PADC, Jeddah, Saudi Arabia
Nasrulla Abutaleb
Publishing an article is a long process, but working with your publication department made things go smoothly, even though the process took exactly 5 months from the time of submitting the article till the time I have favourable response, the missing part is the peer review details, which is essential in self auditing and future improvement, overall experience was excellent giving your understanding of the situation of lack of financial institution support.
Anas Diab
Video Articles
