多成分运动后食补充剂对身体组成和肌肉力量的影响 - 一项随机对照试验
Joel Puente-Fernández1, Eneko Larumbe-Zabala2, Justin Roberts3
1School of Human Sciences, Centre for Exercise Activity and Rehabilitation, Institute for Lifecourse Development, University of Greenwich, London, UK.
Journal of dietary supplements
|April 12, 2025
概括
用多种成分的运动后补充剂改善了老年人的身体组成和垂直跳跃,远远超过单独的碳水化合物. 肌肉厚度和耐力在不同组之间是相似的.
科学领域:
- 运动科学 运动科学 运动科学
- 营养生物化学 营养生物化学
- 老年学是一门学科.
背景情况:
- 衰老与肉症和减少身体功能有关.
- 抵抗训练对于维持老年人肌肉质量和力量至关重要.
- 营养策略可以增加老年人群运动的好处.
研究的目的:
- 为了比较多成分后炼补充剂与仅碳水化合物补充剂对老年人的身体组成,肌肉,力量和表现的影响.
- 评估含有碳水化合物,氨酸强化乳清蛋白,肌酸,β-基-β-甲基酸盐和维生素D3的补充剂的疗效.
主要方法:
- 一项为期6周的并行随机对照试验,涉及20名身体活跃的老年参与者 (10名女性,10名男性).
- 参与者每周三次进行阻力训练,在炼后立即服用多成分后炼补充剂 (PWS) 或仅含碳水化合物的比较剂 (COM).
- 身体组成,肌肉厚度,强度和性能在基线和干预后被评估.
主要成果:
- 与基线相比,PWS组显著增加了无脂肪质量,减少了脂肪质量,腰围和腰与部的比率.
- 腰围的缩小在PWS组明显大于COM组.
- 两组人都在肌肉厚度 (横向巨,肘部曲器),药球投和耐力表现方面表现出相似的改善.
- 与COM组相比,PWS组在反运动跳跃性能上表现出了明显的改善.
结论:
- 与单独补充碳水化合物相比,有针对性的多成分后炼补充剂显著提高了老龄化,活跃个体的身体组成和垂直跳跃性能.
- 与碳水化合物补充剂相比,多成分补充剂对肌肉缩,上肢力量或耐力表现没有产生额外的益处.
- 这项研究突出了特定营养干预措施的潜力,以优化老年人的训练成果.
关键词:
衰老的衰老 衰老的衰老身体构成 身体组成创造蛋白是一种创造性蛋白.食补充剂是一种食补充剂.肌肉 肌肉 肌肉 肌肉 肌肉肌肉的力量 肌肉的力量 肌肉的力量阻力训练可以进行抵抗训练.乳清蛋白是一种乳清蛋白质.更多相关视频
相关概念视频
01:27Exercise and Muscle Performance
1.3K
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...
1.3K
01:24Muscle Recovery and Fatigue
1.9K
Muscle fatigue refers to the decline in a muscle's ability to maintain the force of contraction after prolonged activity. It primarily stems from changes within muscle fibers. Even before experiencing muscle fatigue, one may feel tired and have the urge to stop the activity. This response, known as central fatigue, occurs due to changes in the central nervous system, namely the brain and spinal cord. While there is no single mechanism that induces fatigue, it may serve as a protective...
1.9K
01:20Exercise and Cardiovascular Response
655
Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
655