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食用运动后素食蛋白多种成分补剂可加快年轻男性训练后的恢复。

Ingesting a Post-Workout Vegan-Protein Multi-Ingredient Expedites Recovery after Resistance Training in Trained Young Males.

机构信息

Department of Sport Science and Physical Education, Institute for Lifecourse Development, Centre for Chronic Illness and Ageing, University of Greenwich, United Kingdom.

Department of Health and Kinesiology, Texas A&M University, College Station, TX, USA.

出版信息

J Diet Suppl. 2021;18(6):698-713. doi: 10.1080/19390211.2020.1832640. Epub 2020 Oct 16.

Abstract

Post workout multi-ingredient admixtures are commonly used to maximize recovery after exercise. The present double-blind, cross-over study compared the acute effects of ingesting a protein-vegan multi-ingredient (VGMT) vs. maltodextrin (MALT) on indices of muscle function. Ten trained males, (26.8 ± 1.9 years) performed two identical, 3-day resistance training periods (one workout-session per day) while receiving either VGMT or MALT (10 min after the completion of each workout). Following a baseline evaluation, we conducted assessments at, 1-h, 24-h and 48-h after the 3-day training period. Primary outcome included the evoked tensiomyography contraction velocity (Vc) of vastus medialis (VM), biceps femoris long head (BFLH) and anterior deltoids (AD). Secondary outcomes involved strength and power performance while the other tensiomyography variables [muscle displacement (Dm), contraction time (Tc)] were considered as exploratory. After 1-h, all the tensiomyography variables measured at VM and BFLH were similarly depressed in both treatments. Only MALT showed a significantly lower Vc (-0.02 m, 95% CI, -0.04, -0.01) in the AD. After 24-h, the VGMT treatment normalized all tensiomyography values. Conversely, impaired scores were observed in Vc for the VM (-0.03 m, 95% CI, -0.06, -0.01) and BFLH (-0.02 m, 95% CI, -0.05, 0.01) in the MALT treatment. Particularly, the Vc in VM was lower ( = 0.043) in MALT compared to VGMT. Overall, both treatments required 48-h to regain their performance capacity; however, VGMT produced better vertical jump and squat performance at 24-h vs. MALT. Compared to MALT, a vegan-protein multi-ingredient appears to hasten the recovery of muscular function over a 24-h period.

摘要

运动后多成分混合物通常用于最大限度地促进运动后的恢复。本双盲、交叉研究比较了摄入蛋白质-素食多成分(VGMT)与麦芽糊精(MALT)对肌肉功能指标的急性影响。10 名训练有素的男性(26.8±1.9 岁)进行了两次相同的 3 天抗阻训练期(每天一次训练),同时接受 VGMT 或 MALT(每次训练结束后 10 分钟)。在基线评估后,我们在 3 天训练期后的 1 小时、24 小时和 48 小时进行了评估。主要结果包括股直肌(VM)、股二头肌长头(BFLH)和三角肌前束(AD)的诱发张力肌图收缩速度(Vc)。次要结果涉及力量和功率表现,而其他张力肌图变量[肌肉位移(Dm)、收缩时间(Tc)]则被视为探索性的。1 小时后,两种处理方法均使 VM 和 BFLH 测量的所有张力肌图变量均明显降低。仅 MALT 在 AD 中显示出显著较低的 Vc(-0.02m,95%CI,-0.04,-0.01)。24 小时后,VGMT 治疗使所有张力肌图值恢复正常。相反,在 MALT 治疗中,VM (-0.03m,95%CI,-0.06,-0.01)和 BFLH(-0.02m,95%CI,-0.05,0.01)的 Vc 得分出现受损。特别是,VM 中的 Vc (=0.043)在 MALT 中低于 VGMT。总的来说,两种处理方法都需要 48 小时才能恢复其运动能力;然而,与 MALT 相比,VGMT 在 24 小时时产生了更好的垂直跳跃和深蹲表现。与 MALT 相比,素食蛋白多成分似乎在 24 小时内更快地恢复肌肉功能。

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