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논문 기본 정보

자료유형
학술저널
저자정보
Kim You-young (Keimyung University Daegu Republic of Korea) Cho Chang-mo (Keimyung University Daegu Republic of Korea)
저널정보
J-INSTITUTE Kinesiology Kinesiology Vol.4 No.1
발행연도
2019.1
수록면
8 - 16 (9page)

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We examined the effect of a 4-week vitamin B6·B9·B12 supplementation on the muscle recovery and muscular function induced by acute eccentric exercise. Twenty-nine subjects were volunteered for this study, and they were randomly assigned to either vitamin B6·B9·B12 supplementation group(n=14) or placebo group(n=15). Body composition was measured prior to testing. The vitamin B group was given two tablets of vitamin B6·B9·B12 supplement per day from 4 weeks before eccentric exercise until 72 hours after eccentric exercise, whereas the control group was given two placebo tablets. All subjects performed eccentric exercise using Biodex isokinetic machine after treatment period. They performed a total of 4 sets of eccentric exercise with 12 repetitions per set using their non-dominant arm. Blood samples were taken at pre-exercise, immediately after exercise, and at 6, 24, 48, and 72 hour post-exercise. Maximum isometric force(MIF) and range of motion(ROM) were obtained before and immediately after exercise and at 2, 6, 24, 48, and 72 hour post-exercise. Independent t-tests were conducted to analyze differences between groups in physical characteristics and total amount of work of eccentric exercise. Lactate dehydrogenase(LDH) concentration, MIF, and ROM were analyzed using 2-way repeated measure ANOVA. A main effect for test session and group effect were significant in LDH concentration(p<.05). A main effect for test session for MIF(p<.05) and ROM(p<.05) was significant. In both groups, LDH concentration significantly increased immediately after exercise and at 48, and 72 hour post-exercise compared to pre-exercise(p<.05). LDH concentration of vitamin B group was significantly higher than control group, independent of test session(p<.05). MIF and ROM significantly decreased from immediately after exercise to 48 hours after exercise, and 72 hours post-exercise, respectively, in both groups compared to pre-exercise(p<.05). In conclusion, the results of this study suggest that at least 4-week supplementation of vitamin B6·B9·B12 may not have a positive effect on the recovery of muscle damage and function induced by eccentric exercise.
#Sport #Lactate Dehydrogenase #Maximal Isometric Force #Range of Motion #Delayed Onset Muscle Soreness

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참고문헌 (36)

참고문헌 신청
Sousa M / 2014 / Dietary Strategies to Recover from Exercise-induced Muscle Damage / International Journal of Food Sciences and Nutrition 65:151~163 google schola Weerapong P / 2004 / Preven-tative Strategies for Exercise-induced Muscle Damage / Critical Reviews in Physical and Re-habilitation Medicine 16(2):133~150 google schola Mackey AL / 2004 / Skeletal Muscle Col-lagen Content in Humans after High-force Eccentric Contractions / Journal of Applied Physiology 97:197~203 google schola Betts JA / 2010 / Short-term Recovery from Prolonged Exercise: Exploring the Po-tential for Protein Ingestion to Accentuate the Benefits of Carbohydrate Supplements / Sports Medicine 40:941~959 google schola Cleak MJ / 1992 / Delayed Onset Muscle Soreness: Mechanisms and Management / Journal of Sports Sciences 10(4):325~341 google schola

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