Low-Frequency Fatigue as an Indicator of Eccentric Exercise-Induced Muscle Injury: The Role of Vitamin E
This study investigates whether vitamin E can attenuate eccentric exercise-induced soleus muscle injury as indicated by the amelioration of in situ isometric force decline following a low-frequency fatigue protocol (stimulation at 4 Hz for 5 min) and the ability of the muscle to recover 3 min after...
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2012-01-01
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doaj-dcb7077b6d4740b9900f89d11054d8182020-11-24T23:00:42ZengHindawi LimitedOxidative Medicine and Cellular Longevity1942-09001942-09942012-01-01201210.1155/2012/628352628352Low-Frequency Fatigue as an Indicator of Eccentric Exercise-Induced Muscle Injury: The Role of Vitamin EAntonios Kyparos0Michalis G. Nikolaidis1Konstantina Dipla2Andreas Zafeiridis3Vassilis Paschalis4Gerasimos V. Grivas5Anastasios A. Theodorou6Maria Albani7Chrysoula Matziari8Ioannis S. Vrabas9Exercise Physiology and Biochemistry Laboratory, Department of Physical Education and Sports Science at Serres, Aristotle University of Thessaloniki, 62110 Serres, GreeceExercise Physiology and Biochemistry Laboratory, Department of Physical Education and Sports Science at Serres, Aristotle University of Thessaloniki, 62110 Serres, GreeceExercise Physiology and Biochemistry Laboratory, Department of Physical Education and Sports Science at Serres, Aristotle University of Thessaloniki, 62110 Serres, GreeceExercise Physiology and Biochemistry Laboratory, Department of Physical Education and Sports Science at Serres, Aristotle University of Thessaloniki, 62110 Serres, GreeceDepartment of Physical Education and Sport Science, University of Thessaly, Karies, 42100 Trikala, GreeceExercise Physiology and Biochemistry Laboratory, Department of Physical Education and Sports Science at Serres, Aristotle University of Thessaloniki, 62110 Serres, GreeceLaboratory of Exercise, Health and Human Performance, Research Center, European University of Cyprus, 2404 Nicosia, CyprusLaboratory of Physiology, Faculty of Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, GreeceLaboratory of Physiology, Department of Physical Education and Sports Science, Aristotle University of Thessaloniki, 54124 Thessaloniki, GreeceExercise Physiology and Biochemistry Laboratory, Department of Physical Education and Sports Science at Serres, Aristotle University of Thessaloniki, 62110 Serres, GreeceThis study investigates whether vitamin E can attenuate eccentric exercise-induced soleus muscle injury as indicated by the amelioration of in situ isometric force decline following a low-frequency fatigue protocol (stimulation at 4 Hz for 5 min) and the ability of the muscle to recover 3 min after the termination of the fatigue protocol. Adult male Wistar rats were divided into vitamin E-supplemented or placebo-supplemented groups studied at rest, immediately post-exercise or 48 h post-exercise. Daily DL-𝛼-tocopheryl acetate intraperitoneal injections of 100 mg/kg body mass for 5 consecutive days prior to exercise doubled its plasma levels. Fatigue index and recovery index expressed as a percentage of the initial tension. FI at 0 h post- and 48 h post-exercise respectively was 88% ± 4.2% and 89% ± 6.8% in the vitamin E groups versus 76% ± 3% and 80% ± 11% in the placebo groups. RI was 99% ± 3.4% and 100% ± 6% in the vitamin E groups versus 82% ± 3.1% and 84% ± 5.9% in the placebo groups. Complementally to the traditionally recorded maximal force, low-frequency fatigue measures may be beneficial for assessing injury-induced decrease in muscle functionality.http://dx.doi.org/10.1155/2012/628352 |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Antonios Kyparos Michalis G. Nikolaidis Konstantina Dipla Andreas Zafeiridis Vassilis Paschalis Gerasimos V. Grivas Anastasios A. Theodorou Maria Albani Chrysoula Matziari Ioannis S. Vrabas |
spellingShingle |
Antonios Kyparos Michalis G. Nikolaidis Konstantina Dipla Andreas Zafeiridis Vassilis Paschalis Gerasimos V. Grivas Anastasios A. Theodorou Maria Albani Chrysoula Matziari Ioannis S. Vrabas Low-Frequency Fatigue as an Indicator of Eccentric Exercise-Induced Muscle Injury: The Role of Vitamin E Oxidative Medicine and Cellular Longevity |
author_facet |
Antonios Kyparos Michalis G. Nikolaidis Konstantina Dipla Andreas Zafeiridis Vassilis Paschalis Gerasimos V. Grivas Anastasios A. Theodorou Maria Albani Chrysoula Matziari Ioannis S. Vrabas |
author_sort |
Antonios Kyparos |
title |
Low-Frequency Fatigue as an Indicator of Eccentric Exercise-Induced Muscle Injury: The Role of Vitamin E |
title_short |
Low-Frequency Fatigue as an Indicator of Eccentric Exercise-Induced Muscle Injury: The Role of Vitamin E |
title_full |
Low-Frequency Fatigue as an Indicator of Eccentric Exercise-Induced Muscle Injury: The Role of Vitamin E |
title_fullStr |
Low-Frequency Fatigue as an Indicator of Eccentric Exercise-Induced Muscle Injury: The Role of Vitamin E |
title_full_unstemmed |
Low-Frequency Fatigue as an Indicator of Eccentric Exercise-Induced Muscle Injury: The Role of Vitamin E |
title_sort |
low-frequency fatigue as an indicator of eccentric exercise-induced muscle injury: the role of vitamin e |
publisher |
Hindawi Limited |
series |
Oxidative Medicine and Cellular Longevity |
issn |
1942-0900 1942-0994 |
publishDate |
2012-01-01 |
description |
This study investigates whether vitamin E can attenuate eccentric exercise-induced soleus muscle injury as indicated by the amelioration of in situ isometric force decline following a low-frequency fatigue protocol (stimulation at 4 Hz for 5 min) and the ability of the muscle to recover 3 min after the termination of the fatigue protocol. Adult male Wistar rats were divided into vitamin E-supplemented or placebo-supplemented groups studied at rest, immediately post-exercise or 48 h post-exercise. Daily DL-𝛼-tocopheryl acetate intraperitoneal injections of 100 mg/kg body mass for 5 consecutive days prior to exercise doubled its plasma levels. Fatigue index and recovery index expressed as a percentage of the initial tension. FI at 0 h post- and 48 h post-exercise respectively was 88% ± 4.2% and 89% ± 6.8% in the vitamin E groups versus 76% ± 3% and 80% ± 11% in the placebo groups. RI was 99% ± 3.4% and 100% ± 6% in the vitamin E groups versus 82% ± 3.1% and 84% ± 5.9% in the placebo groups. Complementally to the traditionally recorded maximal force, low-frequency fatigue measures may be beneficial for assessing injury-induced decrease in muscle functionality. |
url |
http://dx.doi.org/10.1155/2012/628352 |
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