长链欧米茄-3脂肪酸补充剂和运动诱导的肌肉损伤:EPA还是DHA?
Jeffery L Heileson, Dillon R Harris1, Sara Tomek2
1Department of Health, Human Performance and Recreation, Baylor University, Waco, TX.
Medicine and science in sports and exercise
|December 5, 2023
概括
酸 (EPA) 或酸 (DHA) 补充剂有助于运动后的肌肉恢复. 结合EPA和DHA并没有显示出明显的好处,可能会削弱个体效应.
科学领域:
- 运动生理学 运动生理学
- 营养科学 营养科学
- 运动医学 运动医学
背景情况:
- 长链omega-3脂肪酸,eicosapentaenoic acid (EPA) 和docosahexaenoic acid (DHA),正在研究它们在加速运动诱导肌肉损伤 (EIMD) 恢复的潜力.
- 单独或组合,EPA和DHA对EIMD恢复的具体贡献仍然不完全理解.
研究的目的:
- 确定EPA,DHA和EPA + DHA组合配方与安慰剂对EIMD后肌肉恢复的比较作用.
- 为了阐明单个omega-3脂肪酸或它们的组合是否为肌肉修复和功能恢复提供了优越的益处.
主要方法:
- 30名男性参与者被随机分配到四组,每天补充EPA + DHA,单独EPA,单独DHA或安慰剂 (PL) 七周.
- 进行了标准化的EIMD协议,包括下坡跑步和跳跃肺部,随后在整个康复期间对肌肉损伤,疼痛,功能和炎症进行了全面评估.
- 红细胞omega-3指数 (O3i) 被监测,以确认组织吸收和EPA和DHA的状态.
主要成果:
- 与安慰剂相比,补充EPA,DHA或EPA + DHA显著增加了O3i.
- 与安慰剂相比,EPA和DHA两组在24小时和72小时内表现出改善的腿部按压性能.
- 在DHA和EPA组与安慰剂相比,肌肉疼痛在48小时后减少了,而EPA + DHA组显示了减弱疼痛和力量丧失的趋势.
结论:
- 在52天内每天补充4克EPA或DHA,可证明改善了EIMD恢复的特定标记.
- 联合EPA + DHA补充剂没有产生显著的恢复增强,并且可能会减少单个EPA或DHA管理时观察到的益处.
- 个别的欧米茄-3脂肪酸 (EPA,DHA) 在增强肌肉恢复方面表现有前途,这表明EIMD管理的不同作用或最佳比率.
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