乳蛋素食者和非素食者相似的身体组成、肌肉大小和力量适应阻力训练。

IF 2.4 4区 医学 Q3 NUTRITION & DIETETICS
Gabriela Lucciana Martini, Ronei Silveira Pinto, Clarissa Müller Brusco, Bianca Fasolo Franceschetto, Mateus Leite Oliveira, Rodrigo Neske, Fabricio Lusa Cadore, Juliana Lopes Teodoro, Eurico Nestor Wilhelm, Carolina Guerini de Souza
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引用次数: 0

摘要

人们普遍认为,肉类消费对于优化力量训练(ST)的适应性是必要的,但支持这一假设的证据很少。因此,本研究旨在比较乳蛋素食者(LOV)和非素食者(NV)在调整每餐蛋白质摄入量后的ST适应性。64只LOV和NV进行了12周的ST,并被指示在实验期间每次主餐摄入至少20克蛋白质。在干预前后评估参与者的股四头肌厚度(QFMT)、膝关节伸展单次重复最大值(1RM)和等距峰值扭矩(PT)以及身体成分。在整个研究过程中对饮食摄入量进行了评估。12周后,QFMT也有类似的增加(LOV: 9.2±5.4;NV: 5.5±8.1 mm),膝关节伸直1RM (LOV: 24.7±11.1;NV: 21.6±9.8 kg), PT (LOV: 29.8±33.4;NV: 17.5±19.4 N m)和瘦体重(LOV: 1.3±0.9;NV: 1.4±1.4 kg),同时体脂量减少(LOV: -0.5±1.6;训练结束时,两组的NV均为-0.8±1.6 kg (p < 0.05)
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Similar body composition, muscle size, and strength adaptations to resistance training in lacto-ovo-vegetarians and non-vegetarians.

There is a popular belief that meat consumption is necessary to optimize adaptations to strength training (ST), but evidence to support this hypothesis is scarce. Therefore, this study aimed to compare ST adaptations in lacto-ovo-vegetarians (LOV) and non-vegetarians (NV) with adjusted protein intake per meal. Sixty-four LOV and NV performed 12 weeks of ST and were instructed to ingest at least 20 g of protein in each main meal during the experimental period. Quadriceps femoris muscle thickness (QFMT), knee extension one-repetition maximum (1RM), and isometric peak torque (PT), as well as participants' body composition were assessed before and after the intervention. Dietary intake was assessed throughout the study. After 12 weeks, similar increases in QFMT (LOV: 9.2 ± 5.4; NV: 5.5 ± 8.1 mm), knee extension 1RM (LOV: 24.7 ± 11.1; NV: 21.6 ± 9.8 kg), and PT (LOV: 29.8 ± 33.4; NV: 17.5 ± 19.4 N m) and lean body mass (LOV: 1.3 ± 0.9; NV: 1.4 ± 1.4 kg), alongside a decrease in body fat mass (LOV: -0.5 ± 1.6; NV -0.8 ± 1.6 kg) were observed in both groups at the end of the training period (p < 0.05). LOV had lower protein consumption than NV throughout the study (p < 0.05), but participants reached intake of at least 1.2 g of protein/kg/day during the experimental period. In conclusion, LOV and NV displayed similar improvements in muscle mass, strength, and in body composition after 12 weeks of ST, suggesting that meat consumption and higher protein intake in NV did not bring about further benefits to early adaptations to ST. This study was registered in Clinical Trials (NCT03785002) on 24 December 2018.

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来源期刊
CiteScore
6.50
自引率
2.90%
发文量
113
审稿时长
4-8 weeks
期刊介绍: Applied Physiology, Nutrition, and Metabolism publishes original research articles, reviews, and commentaries, focussing on the application of physiology, nutrition, and metabolism to the study of human health, physical activity, and fitness. The published research, reviews, and symposia will be of interest to exercise physiologists, physical fitness and exercise rehabilitation specialists, public health and health care professionals, as well as basic and applied physiologists, nutritionists, and biochemists.
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