Structural evolution characteristics of knowledge source carrier network of overseas researches on strength training are analyzed in this paper by using the methods of literature re-view ,mathematical statistics ,social network analysis and mapping knowledge domain .The re-sults shows that 1) the sources of knowledge of overseas researches on strength training are more widely ,mainly in the fields of sport sciences ,physiology ,endocrinology & metabolism , medicine ,nutrition & dietetics and neuroscience ;2 ) knowledge source journals ,literatures and authors are growing exponentially and show the distribution characteristics both concentration and dispersion ,the individuals and the groups are in the core position in the process of develop-ment have the characteristics of inheritance and progressive ;3 ) the research topics are still in the process of growing ,differentiation and integration ;4) the knowledge source carrier network has the characteristic of small -world network but the scale -free network characteristics were not significant ,it follows the evolution route of “isolated island model-binuclear model-mono-nuclear complex network-multi-center complex network” on the whole .%运用文献资料调研、数理统计、社会网络分析、知识图谱等研究方法，对国外力量训练研究知识来源载体网络的结构演化特征进行了分析。结果发现：1）国外力量训练研究的知识来源较为广泛，主要集中于运动科学、生理学、内分泌与代谢、医学、营养学、神经科学等学科领域；2）知识来源文献和作者数量呈指数式快速增长，且存在集中与离散并存的分布特征，发展过程中居核心地位的个体和群体，继承性和递进性兼备；3）领域研究主题仍处于不断衍生、分化与融合的过程中；4）知识来源载体网络均已具备小世界性质，但无标度网络特征均不显著，总体上循“孤岛型—双核型—单核心复杂网络—多核心复杂网络”的路径演化。
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