Changes in muscle damage markers and circulating leukocytes following local muscle eccentric contractions of the elbow flexors
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The purpose of this study were to measure changes in markers of muscle damage and circulating leukocytes after eccentric contractions of elbow flexors and to determine whether these changes are influenced by a repeated bout of the same exercise. All subjects (n=10) performed two bouts of eccentric exercise of the elbow flexors (10 sets of 6 repetitions) using the non-dominant separated by 4 weeks. Changes in circulating leukocyte numbers (neutrophils, lymphocytes, monocytes and eosinophils) in the blood and muscle damage indicators (MVC, ROM, CIR, VAS and CK) were taken immediately before exercise, immediately after exercise, 24, 48, 72, and 96 hours following each exercise bout. changes in MVC, ROM, CIR, and VAS were significantly larger following the first bout compared to the second bout, CK increased significantly only after the first bout. However, no significant differences between the two bouts were evident for the changes in any of the circulating leukocytes. Therefore, it seems reasonable to state that severe muscle damage by eccentric exercise does not induce significant alterations in circulating leukocytes.
Abstract
The purpose of this study were to measure changes in markers of muscle damage and circulating leukocytes after eccentric contractions of elbow flexors and to determine whether these changes are influenced by a repeated bout of the same exercise. All subjects (n=10) performed two bouts of eccentric exercise of the elbow flexors (10 sets of 6 repetitions) using the non-dominant separated by 4 weeks. Changes in circulating leukocyte numbers (neutrophils, lymphocytes, monocytes and eosinophils) in the blood and muscle damage indicators (MVC, ROM, CIR, VAS and CK) were taken immediately before exercise, immediately after exercise, 24, 48, 72, and 96 hours following each exercise bout. changes in MVC, ROM, CIR, and VAS were significantly larger following the first bout compared to the second bout, CK increased significantly only after the first bout. However, no significant differences between the two bouts were evident for the changes in any of the circulating leukocytes. Therefore, it seems reasonable to state that severe muscle damage by eccentric exercise does not induce significant alterations in circulating leukocytes.
참고문헌 (43)
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