在训练有素的年轻成年人抵抗训练期间补充大麻的效果
Mojtaba Kaviani1, Keely A Shaw2, Darren G Candow3
1School of Nutrition and Dietetics, Acadia University, Wolfville, NS, B4P 2R6, Canada.
European journal of applied physiology
|October 17, 2023
概括
在训练有素的成年人中,大麻补充剂对肌肉生长和力量有性别特异的益处. 它在抵抗训练期间改善了女性的肌肉厚度,并保持了男性的扭矩.
科学领域:
- 运动营养 运动营养
- 运动生理学 运动生理学
- 营养生物化学 营养生物化学
背景情况:
- 大麻含有丰富的分支链氨基酸 (氨酸,异氨酸,氨酸) 和抗炎性油.
- 抵抗训练是肌肉适应和表现的关键刺激.
研究的目的:
- 为了检查大麻蛋白补充剂在训练有素的年轻成年人抵抗训练期间对身体组成,肌肉力量和炎症标志物的影响.
- 为了比较大麻补充剂与大豆补充剂,对蛋白质和卡路里进行匹配.
主要方法:
- 这是一项双盲随机研究,涉及34名受过训练的成年人 (22名男性,12名女性) 进行了8周的研究.
- 参与者每天摄入60克大麻或大豆蛋白.
- 评估包括身体组成 (DXA),肌肉缩 (超声波),力量测试,肌肉激活和炎症标志物.
主要成果:
- 大麻增加了女性的肘部 flexor 肌肉厚度 (p=0.012).
- 在男性中,大豆增加了肘部 flexor 肌肉厚度 (p<0.01).
- 与大豆 (p<0.001) 相比,食用大麻的男性在疲劳后保持了抽扭矩和扭矩发展速度 (p<0.001).
结论:
- 大麻补充剂在抵抗训练期间在疲劳下提供肌肉增长和扭矩维护方面的性别特异优势.
- 这些发现凸显了大麻作为运动员有针对性的营养策略的潜力.
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