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樱桃汁或石榴汁对非抗阻训练男性运动引起的肌肉损伤恢复无影响。

No Effect of Tart Cherry Juice or Pomegranate Juice on Recovery from Exercise-Induced Muscle Damage in Non-Resistance Trained Men.

机构信息

Food and Nutrition Group, Sheffield Hallam University, Sheffield S1 1WB, UK.

Academy of Sport and Physical Activity, Sheffield Hallam University, Sheffield S10 2BP, UK.

出版信息

Nutrients. 2019 Jul 14;11(7):1593. doi: 10.3390/nu11071593.

Abstract

Tart cherry juice (TC) and pomegranate juice (POM) have been demonstrated to reduce symptoms of exercise-induced muscle damage (EIMD), but their effectiveness has not been compared. This randomized, double-blind, parallel study compared the effects of TC and POM on markers of EIMD. Thirty-six non-resistance trained men (age 24.0 (Interquartile Range (IQR) 22.0, 33.0) years, body mass index (BMI) 25.6 ± 4.0 kg·m) were randomly allocated to consume 2 × 250 mL of: TC, POM, or an energy-matched fruit-flavored placebo drink twice daily for nine days. On day 5, participants undertook eccentric exercise of the elbow flexors of their non-dominant arm. Pre-exercise, immediately post-exercise, and at 24 h, 48 h, 72 h and 96 h post-exercise, maximal isometric voluntary contraction (MIVC), delayed onset muscle soreness (DOMS), creatine kinase (CK), and range of motion (ROM) were measured. The exercise protocol induced significant decreases in MIVC ( < 0.001; max decrease of 26.8%, 24 h post-exercise) and ROM ( = 0.001; max decrease of 6.8%, 72 h post-exercise) and significant increases in CK ( = 0.03; max increase 1385 U·L, 96 h post-exercise) and DOMS ( < 0.001; max increase of 26.9 mm, 48 h post-exercise). However, there were no statistically significant differences between treatment groups (main effect of group > 0.05 or group x time interaction > 0.05). These data suggest that in non-resistance trained men, neither TC nor POM enhance recovery from high-force eccentric exercise of the elbow flexors.

摘要

酸樱桃汁(TC)和石榴汁(POM)已被证明可减轻运动引起的肌肉损伤(EIMD)的症状,但尚未比较其有效性。这项随机、双盲、平行研究比较了 TC 和 POM 对 EIMD 标志物的影响。36 名非抗阻训练男性(年龄 24.0(四分位距(IQR)22.0,33.0)岁,体重指数(BMI)25.6±4.0kg·m)随机分为每天两次饮用 2×250ml:TC、POM 或能量匹配的水果味安慰剂饮料。在第 5 天,参与者进行了非优势侧手臂肘屈肌的离心运动。在运动前、运动后即刻、运动后 24 小时、48 小时、72 小时和 96 小时,测量最大等长随意收缩(MIVC)、延迟性肌肉酸痛(DOMS)、肌酸激酶(CK)和关节活动度(ROM)。运动方案导致 MIVC(<0.001;运动后 24 小时最大下降 26.8%)和 ROM(=0.001;运动后 72 小时最大下降 6.8%)显著下降,CK(=0.03;运动后 96 小时最大升高 1385U·L)和 DOMS(<0.001;运动后 48 小时最大升高 26.9mm)显著升高。然而,各组之间无统计学差异(组间主要效应>0.05 或组间时间交互作用>0.05)。这些数据表明,在非抗阻训练的男性中,TC 和 POM 均不能促进肱二头肌的高强度离心运动后的恢复。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5207/6683053/cfaf6b2acf31/nutrients-11-01593-g001.jpg

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