动物性和植物性蛋白质混合作为补充饮食蛋白质对抵抗训练肌肉适应的类似影响:随机临床试验的发现
Martin Hindermann Santini1,2,3, Alice Erwig Leitão1,2,3, Bruna Caruso Mazzolani1,2,3
1Applied Physiology and Nutrition Research Group - School of Physical Education and Sport and Faculdade de Medicina FMUSP Universidade de Sao Paulo, Sao Paulo, Brazil.
Journal of the International Society of Sports Nutrition
|October 8, 2025
概括
植物性和动物性蛋白质补充剂都有效地支持肌肉质量和力量的增加,当与抵抗训练相结合时. 这项研究发现,蛋白质来源之间在促进年轻男性的这些适应方面没有显著差异.
科学领域:
- 运动生理学 运动生理学
- 营养科学 营养科学
- 运动营养 运动营养
背景情况:
- 抵抗训练和足够的蛋白质摄入对于肌肉缩和力量至关重要.
- 动物和植物蛋白都显示出支持这些适应的潜力.
研究的目的:
- 为了比较植物性与动物性蛋白质补充剂对肌肉质量和力量的影响.
- 为了研究接受抵抗训练的年轻男子的适应.
主要方法:
- 44名未经训练的男性参加了为期12周的抵抗训练计划.
- 参与者每天摄入45克植物性 (大豆和豆) 或动物性 (乳清) 蛋白质.
- 肌肉质量 (DXA,超声波) 和力量 (1RM腿部按压) 在干预前和后被测量.
主要成果:
- 两组人都显著增加了肌肉量和肌肉横截面积.
- 在植物性和动物性蛋白质组中,腿部压力1RM强度显著提高.
- 对于任何测量变量,在植物性和动物性蛋白质组之间没有观察到显著差异.
结论:
- 补充蛋白质,无论是植物性还是动物性,同样支持抵抗训练的肌肉适应.
- 在这种情况下,饮食蛋白质来源似乎不是肌肉生长和力量的限制因素.
相关概念视频
Exercise and Muscle Performance
2.3K
Exercise induces a range of adaptations in muscle tissue, depending on the type and duration of activity. Such physical training can be broadly categorized into two types: endurance exercises and resistance exercises.
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...
2.3K
Proteins: Dietary Sources and Requirements
1.5K
Consuming animal-based products offers high-quality proteins that contain optimal levels and combinations of essential amino acids, crucial for tissue repair and growth. Foods like eggs, milk, fish, and most meats are a source of complete proteins. Legumes and cereals are abundant in proteins; however, they typically lack a full range of essential amino acids. As a result, they are considered incomplete protein sources. Some plant sources like soybeans, quinoa, and amaranth do contain complete...
1.5K
Bioavailability Study Design: Healthy Subjects Versus Patients
143
Bioavailability studies are essential for evaluating a drug's therapeutic efficacy and understanding its absorption patterns under various physiological conditions. Conducting such studies on target patient populations provides more relevant data by simulating real-world disease states. However, practical challenges often necessitate the use of young, healthy adult volunteers as study subjects.Patients may exhibit altered drug absorption patterns due to the effects of the disease itself,...
143
Bioavailability Study Design: Single Versus Multiple Dose Studies
207
Bioavailability studies are essential for understanding how a drug is absorbed, distributed, metabolized, and excreted in the body. These studies assess the extent and rate at which the active pharmaceutical agent becomes available at the site of action. The design of bioavailability studies can involve single-dose or multiple-dose regimens, each with distinct advantages and limitations.Single-dose studies are the preferred approach due to their simplicity and reduced drug exposure for...
207
Bioavailability Study Design: Absolute Versus Relative Bioavailability
294
Bioavailability is a crucial pharmacokinetic parameter that quantifies the proportion of an administered drug that reaches the systemic circulation and is available for therapeutic action. Regulatory agencies mandate the assessment of bioavailability, typically measured as the area under the drug plasma concentration-versus-time curve (AUC), to ensure the efficacy and safety of pharmaceutical products. These evaluations are categorized as absolute and relative bioavailability studies.Absolute...
294
Bioequivalence: Overview
1.8K
Pharmaceutical equivalents, by definition, are drug products with the same active ingredient in the same quantities, encapsulated in identical dosage forms, and intended for the same administration routes. These pharmaceutical equivalents are deemed bioequivalent if the bioavailability of the active entity in the drug preparations is similar. Moreover, pharmaceutical equivalents demonstrating bioequivalence are also regarded as therapeutically equivalent. This means that when used as directed,...
1.8K


