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Effects of Eccentric Exercise on Skeletal Muscle Injury: From An Ultrastructure Aspect: A Review Cover

Effects of Eccentric Exercise on Skeletal Muscle Injury: From An Ultrastructure Aspect: A Review

By: Jianhua Ying,  Xuanzhen Cen and  Peimin Yu  
Open Access
|Jan 2021

Abstract

The contraction of skeletal muscle (SM) plays an important role in providing power for the body to participate in physical activities. Nevertheless, unaccustomed motions, especially eccentric exercises (EE), might cause changes in ultrastructure and mitochondria of SM, increasing potential risks of injuries. The objective of this narrative literature review was to summarize the effects of EE on SM ultrastructure. The results found that EE may lead to changes in the ultrastructure of SM, including the ambiguity of each line and band in the sarcomere, vacuolar degeneration of mitochondria, swelling of the sarcoplasmic reticulum, and disordered arrangement of myofibrils. At the same time, EE also leads to redistribution of SM mitochondria, changes in dynamics, and mitochondrial autophagy. This review provides additional insight into further research on the influence of EE on injuries of SM.
DOI: https://doi.org/10.5334/paah.67 | Journal eISSN: 2515-2270
Language: English
Submitted on: Oct 11, 2020
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Accepted on: Oct 18, 2020
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Published on: Jan 27, 2021
Published by: Ubiquity Press
In partnership with: Paradigm Publishing Services
Publication frequency: 1 issue per year

© 2021 Jianhua Ying, Xuanzhen Cen, Peimin Yu, published by Ubiquity Press
This work is licensed under the Creative Commons Attribution 4.0 License.