蛋白质补充剂增加了未经训练的健康成年人对低体积,会内并发训练的适应性:双盲,安慰剂控制,随机试验
Dejan Reljic1,2,3, Nilas Zieseniss1,2, Hans Joachim Herrmann1,2,3
1Department of Medicine 1, University Hospital Erlangen, Friedrich-Alexander University Erlangen-Nürnberg, 91054 Erlangen, Germany.
Nutrients
|August 29, 2024
概括
蛋白质补充剂可以增强未经训练的个体从低体积并发训练中获得的肌肉力量. 运动后的乳清蛋白摄入量改善了腿部力量,超过安慰剂,经过8周的综合耐力和抵抗运动.
科学领域:
- 运动生理学 运动生理学
- 运动营养 运动营养
背景情况:
- 同时训练结合了耐力和抵抗运动,提供了广泛的健身好处,但增加了生理需求.
- 建议增加蛋白质摄入量,以帮助适应并发培训,但其对低体积方案的具体影响仍在调查中.
研究的目的:
- 为了研究运动后乳清蛋白补充剂对未经训练的健康成年人进行8周低体积并发训练的适应性的影响.
主要方法:
- 44名未经训练的成年人参加了一项双盲,安慰剂对照的研究.
- 参与者完成了为期8周的每周两次并发训练 (高强度间歇骑自行车,然后进行抵抗运动).
- 运动后,受试者接受了40克乳清蛋白 (PRO) 或马尔托德素安慰剂 (PLA).
主要成果:
- 这两组的最大氧气消耗 (VO2max) 和整体健身得分均显著增加.
- 与PLA组相比,PRO组在所有主要肌肉群中在一次重复最大 (1-RM) 中表现出显著更大的改善.
- 具体来说,腿肌1-RM的改善在PRO组明显高于PLA组.
结论:
- 运动后补充蛋白质可以增强肌肉适应能力,特别是腿部力量,在接受低体积并发训练的未经训练的个体中.
- 在结合耐力和抵抗运动时,乳清蛋白摄入量似乎有利于最大限度地增强力量.
- 有针对性的营养策略,如蛋白质补充剂,可以优化并发培训计划的结果.
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