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    "type": "RDN",
    "kind": "note",
    "key": "morton-2018",
    "id": "TAP-RDN-0081",
    "locale": "zh",
    "path": "/zh/research/morton-2018/",
    "title": "TAP 导读: A systematic review, meta-analysis and meta-regression of the effect of protein supplementation on resistance training-induced gains in muscle mass and strength in healthy adults",
    "description": "49项试验中，补充蛋白质在抗阻训练基础上平均额外增加0.30 kg去脂体重（95%置信区间0.09–0.52），以及2.49 kg一次最大重复力量（0.64–4.33）。每日总摄入量的估计转折点为1.62 g/kg，但存在较大不确定性。",
    "rights": "© The Allostasis Project。保留所有权利。除法律允许的例外外，转载或改编需另行授权。",
    "version": "1.0",
    "updatedAt": "2026-11-13",
    "editorial": {
      "contentType": "evidence-review",
      "reviewState": "draft",
      "reviewedAt": null,
      "reviewedVersion": null,
      "updatedAt": "2026-11-13",
      "version": "1.0",
      "byline": "team",
      "author": null,
      "reviewer": null,
      "workflow": {
        "ai": {
          "usage": "used",
          "system": "OpenAI Codex",
          "scope": "基于来源进行证据综合、写作与翻译；实际查阅材料及获取范围见各文献导读。",
          "version": "1.0",
          "tasks": [
            "Literature comparison and evidence extraction",
            "Bilingual explanatory writing and source-linked tables"
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        }
      },
      "revisions": []
    },
    "original": {
      "id": "morton-2018",
      "title": "A systematic review, meta-analysis and meta-regression of the effect of protein supplementation on resistance training-induced gains in muscle mass and strength in healthy adults",
      "authors": "Robert W. Morton et al.",
      "journal": "British Journal of Sports Medicine",
      "year": "2018",
      "url": "https://doi.org/10.1136/bjsports-2017-097608",
      "doi": "10.1136/bjsports-2017-097608",
      "pmid": "28698222"
    },
    "references": [
      {
        "id": "morton-2018",
        "title": "A systematic review, meta-analysis and meta-regression of the effect of protein supplementation on resistance training-induced gains in muscle mass and strength in healthy adults",
        "authors": "Robert W. Morton et al.",
        "journal": "British Journal of Sports Medicine",
        "year": "2018",
        "url": "https://doi.org/10.1136/bjsports-2017-097608",
        "doi": "10.1136/bjsports-2017-097608",
        "pmid": "28698222"
      }
    ],
    "sections": [
      {
        "id": "finding",
        "title": "研究发现",
        "paragraphs": [
          "49项试验中，补充蛋白质在抗阻训练基础上平均额外增加0.30 kg去脂体重（95%置信区间0.09–0.52），以及2.49 kg一次最大重复力量（0.64–4.33）。每日总摄入量的估计转折点为1.62 g/kg，但存在较大不确定性。"
        ]
      },
      {
        "id": "limits",
        "title": "范围与局限",
        "paragraphs": [
          "49项随机试验，共1,863名健康成年人，年龄与训练经历不一；排除了能量限制人群。",
          "转折点分析基于42个研究组、723人，95%置信区间为1.03–2.20 g/kg/日；分段模型比较未达到常用显著性水平（p=.079）。这是研究组层面的估计，不能作为个人需要量、安全上限或已证实的最优剂量。女性与老年人的证据相对不足。"
        ]
      },
      {
        "id": "sample",
        "title": "研究人群与样本",
        "paragraphs": [
          "49项随机试验，共1,863名健康成年人，年龄与训练经历不一；排除了能量限制人群。"
        ]
      },
      {
        "id": "exposure",
        "title": "暴露或干预",
        "paragraphs": [
          "蛋白质补充加抗阻训练，与训练加安慰剂或不补充比较；包含食物及分离蛋白干预。"
        ]
      },
      {
        "id": "outcomes",
        "title": "观察结局",
        "paragraphs": [
          "去脂体重、一次最大重复力量和肌肉大小的变化；没有直接测量日常疲劳或全身恢复。"
        ]
      },
      {
        "id": "duration",
        "title": "时间范围",
        "paragraphs": [
          "训练至少6周；纳入文献发表于1962—2016年。论文2017年在线发表，编入2018年期刊。"
        ]
      },
      {
        "id": "funding",
        "title": "研究资金来源",
        "paragraphs": [
          "Stuart M. Phillips致谢Canada Research Chairs、Canadian Institutes of Health Research及Natural Sciences and Engineering Research Council of Canada的支持。"
        ]
      },
      {
        "id": "conflicts",
        "title": "研究利益关系",
        "paragraphs": [
          "Phillips披露获得美国National Dairy Council的研究资助、差旅与演讲酬金；该机构也资助了本分析纳入的部分试验。"
        ]
      },
      {
        "id": "basis",
        "title": "导读范围",
        "paragraphs": [
          "查阅PMC全文中的纳入标准、合并结果、转折点分析与图5、局限及声明；未独立重算个体试验数据或全部补充分析。"
        ],
        "links": [
          {
            "label": "PubMed Central 全文",
            "url": "https://pmc.ncbi.nlm.nih.gov/articles/PMC5867436/"
          }
        ]
      }
    ]
  }
}