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The Youth Fitness International Test (YFIT) battery for monitoring and surveillance among children and adolescents: A modified Delphi consensus project with 169 experts from 50 countries and territories. 用于儿童和青少年体质监测和监督的青少年体质国际测试(YFIT)电池:由来自 50 个国家和地区的 169 名专家参与的改良德尔菲共识项目。
IF 10.3 1区 医学 Q1 HOSPITALITY, LEISURE, SPORT & TOURISM Pub Date : 2025-12-01 Epub Date: 2024-11-20 DOI: 10.1016/j.jshs.2024.101012
Francisco B Ortega, Kai Zhang, Cristina Cadenas-Sanchez, Mark S Tremblay, Gregor Jurak, Grant R Tomkinson, Jonatan R Ruiz, Katja Keller, Christine Delisle Nyström, Jennifer M Sacheck, Russell Pate, Kathryn L Weston, Tetsuhiro Kidokoro, Eric T Poon, Lucy-Joy M Wachira, Ronald Ssenyonga, Thayse Natacha Q F Gomes, Carlos Cristi-Montero, Brooklyn J Fraser, Claudia Niessner, Vincent O Onywera, Yang Liu, Li-Lin Liang, Stephanie A Prince, David R Lubans, Justin J Lang

Background: Physical fitness in childhood and adolescence is associated with a variety of health outcomes and is a powerful marker of current and future health. However, inconsistencies in tests and protocols limit international monitoring and surveillance. The objective of the study was to seek international consensus on a proposed, evidence-informed, Youth Fitness International Test (YFIT) battery and protocols for health monitoring and surveillance in children and adolescents aged 6-18 years.

Methods: We conducted an international modified Delphi study to evaluate the level of agreement with a proposed, evidence-based, YFIT of core health-related fitness tests and protocols to be used worldwide in 6- to 18-year-olds. This proposal was based on previous European and North American projects that systematically reviewed the existing evidence to identify the most valid, reliable, health-related, safe, and feasible fitness tests to be used in children and adolescents aged 6-18 years. We designed a single-panel modified Delphi study and invited 216 experts from all around the world to answer this Delphi survey, of whom one-third are from low-to-middle income countries and one-third are women. Four experts were involved in the piloting of the survey and did not participate in the main Delphi study to avoid bias. We pre-defined an agreement of ≥80% among the expert participants to achieve consensus.

Results: We obtained a high response rate (78%) with a total of 169 fitness experts from 50 countries and territories, including 63 women and 61 experts from low- or middle-income countries/territories. Consensus (>85% agreement) was achieved for all proposed tests and protocols, supporting the YFIT battery, which includes weight and height (to compute body mass index as a proxy of body size/composition), the 20-m shuttle run (cardiorespiratory fitness), handgrip strength, and standing long jump (muscular fitness).

Conclusion: This study contributes to standardizing fitness tests and protocols used for research, monitoring, and surveillance across the world, which will allow for future data pooling and the development of international and regional sex- and age-specific reference values, health-related cut-points, and a global picture of fitness among children and adolescents.

背景:儿童和青少年时期的体能与各种健康结果有关,是当前和未来健康的有力标志。然而,测试和协议的不一致限制了国际监测和监督。本研究的目的是寻求国际共识,为 6-18 岁儿童和青少年的健康监测和监控制定一套有实证依据的青少年体适能国际测试(YFIT)电池和方案:我们开展了一项改良德尔菲国际研究,以评估全球 6 至 18 岁青少年对基于证据的国际青少年体质测试(YFIT)核心健康相关体质测试和方案的一致认同程度。这一建议是基于之前的欧洲和北美项目,这些项目系统地审查了现有证据,以确定最有效、可靠、与健康相关、安全且可行的体能测试,供 6-18 岁儿童和青少年使用。我们设计了一个单一小组的改良德尔菲研究,并邀请了来自世界各地的 216 位专家参与德尔菲调查,其中三分之一来自中低收入国家,三分之一为女性。四位专家参与了调查的试点工作,但没有参与主要的德尔菲研究,以避免偏见。为了达成共识,我们预先设定了专家参与者之间≥80%的一致意见:我们获得了较高的响应率(78%),共有来自 50 个国家和地区的 169 名健身专家参加,其中包括 63 名女性和 61 名来自低收入或中等收入国家/地区的专家。所有建议的测试和方案都达成了共识(>85% 的一致意见),支持 YFIT 电池,其中包括体重和身高(计算身体质量指数,作为身体尺寸/组成的代表)、20 米往返跑(心肺功能)、握力和立定跳远(肌肉功能):这项研究有助于使全球用于研究、监测和监视的体能测试和协议标准化,从而在未来汇集数据,制定国际和地区性别和年龄的参考值、与健康相关的临界点以及全球儿童和青少年的体能状况。
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引用次数: 0
Erratum to "Biomechanics associated with tibial stress fracture in runners: A systematic review and meta-analysis" [J Sport Health Sci 12 (2023) 333-342]. “与跑步者胫骨应力性骨折相关的生物力学:系统回顾和荟萃分析”[J]体育健康科学12(2023)333-342。
IF 10.3 1区 医学 Q1 HOSPITALITY, LEISURE, SPORT & TOURISM Pub Date : 2025-12-01 Epub Date: 2025-01-21 DOI: 10.1016/j.jshs.2024.101019
Clare E Milner, Eric Foch, Joseph M Gonzales, Drew Petersen
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引用次数: 0
Commentary on "A systematic review and meta-analysis comparing objectively measured and estimated fitness to predict all-cause and cardiovascular disease mortality in adults". 对“比较客观测量和估计的心肺适能预测成人全因和心血管疾病死亡率:对42项研究的系统回顾和荟萃分析,代表35个队列和380万观察结果”的评论。
IF 10.3 1区 医学 Q1 HOSPITALITY, LEISURE, SPORT & TOURISM Pub Date : 2025-12-01 Epub Date: 2024-12-30 DOI: 10.1016/j.jshs.2024.101022
Barbara E Ainsworth, Zhenghua Cai
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引用次数: 0
Comment on "Does ischemic preconditioning enhance sports performance more than placebo or no intervention? A systematic review with meta-analysis". 缺血预处理是否比安慰剂或不干预更能提高运动成绩?荟萃分析的系统综述”。
IF 10.3 1区 医学 Q1 HOSPITALITY, LEISURE, SPORT & TOURISM Pub Date : 2025-12-01 Epub Date: 2025-05-14 DOI: 10.1016/j.jshs.2025.101056
Yilin Zhang, Hao Kong, Kai Xu, Mingyue Yin, Yun Xie
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引用次数: 0
Hamstring muscle architecture and microstructure changes following Nordic hamstring exercise training and detraining. 北欧腘绳肌训练和去训练后腘绳肌结构和微观结构的变化。
IF 10.3 1区 医学 Q1 HOSPITALITY, LEISURE, SPORT & TOURISM Pub Date : 2025-12-01 Epub Date: 2025-06-25 DOI: 10.1016/j.jshs.2025.101070
Anoosha Pai S, Max H Andrews, Reed D Gurchiek, Patricio A Pincheira, Marco Barbieri, Tyler Friedrich, Feliks Kogan, Garry E Gold, Valentina Mazzoli, Glen A Lichtwark, Scott L Delp, Akshay S Chaudhari

Background: While Nordic hamstring exercise (NHE) training has been shown to reduce hamstring strains, the muscle-specific adaptations to NHE across the 4 hamstrings remain unclear. This study investigates architectural and microstructural adaptations of the biceps femoris short head (BFsh), biceps femoris long head (BFlh), semitendinosus (ST), and semimembranosus (SM) in response to an NHE intervention.

Methods: Eleven subjects completed 9 weeks of supervised NHE training followed by 3 weeks of detraining. Magnetic resonance imaging was performed at pre-training, post-training, and detraining to assess architectural (volume, fiber tract length, and fiber tract angle) and microstructural (axial (AD), mean (MD), radial (RD) diffusivities, and fractional anisotropy (FA)) parameters of the 4 hamstrings.

Results: NHE training induced significant but non-uniform hamstring muscle hypertrophy (BFsh: 22%, BFlh: 9%, ST: 26%, SM: 6%) and fiber tract length increase (BFsh: 11%, BFlh: 7%, ST: 18%, SM: 10%). AD (5%), MD (4%), and RD (5%) showed significant increases, but fiber tract angle and FA remained unchanged. After detraining, only ST showed a significant reduction (8%) in volume, which remained higher than the pre-training value. While fiber tract lengths returned to baseline, AD, MD, and RD remained higher than pre-training levels for all hamstrings.

Conclusion: The 9-week NHE training substantially increased hamstring muscle volume with greater hypertrophy in ST and BFsh. Hypertrophy was accompanied by increases in fiber tract lengths and cross-sections (increased RD). After 3 weeks of detraining, fiber tract length gains across all hamstrings declined, emphasizing the importance of sustained training to maintain all the protective adaptations.

虽然北欧腘绳肌运动(NHE)训练已被证明可以减少腘绳肌拉伤,但4条腘绳肌对NHE的肌肉特异性适应尚不清楚。本研究探讨了股骨二头肌短头(BFsh)、股骨二头肌长头(BFlh)、半腱肌(ST)和半膜肌(SM)在NHE干预下的结构和微观结构适应性。方法11例受试者完成9周的有监督的NHE训练,然后进行3周的去训练。在训练前、训练后和去训练时进行磁共振成像,以评估4条腘绳肌的结构(体积、纤维束长度和纤维束角度)和微观结构(轴向(AD)、平均(MD)、径向(RD)扩散系数和分数各向异性(FA))参数。结果NHE训练诱导了显著但不均匀的腘绳肌肥大(BFsh: 22%, BFlh: 9%, ST: 26%, SM: 6%)和纤维束长度增加(BFsh: 11%, BFlh: 7%, ST: 18%, SM: 10%)。AD(5%)、MD(4%)和RD(5%)显著增加,但纤维束角度和FA保持不变。去训练后,只有ST的体积显著减少(8%),但仍高于训练前的值。当纤维束长度恢复到基线时,所有腘绳肌的AD、MD和RD仍然高于训练前的水平。结论9周的NHE训练显著增加了腘绳肌体积,ST和BFsh均有较大的肥大。肥厚伴随着纤维束长度和横截面的增加(RD增加)。去训练3周后,所有腘绳肌纤维束长度的增加都下降了,这强调了持续训练以保持所有保护性适应的重要性。
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引用次数: 0
Twenty-four-hour movement guidelines during adolescence and midlife mortality. 青少年 24 小时运动指南与中年死亡率:青少年 24 小时运动与中年死亡率。
IF 10.3 1区 医学 Q1 HOSPITALITY, LEISURE, SPORT & TOURISM Pub Date : 2025-12-01 Epub Date: 2024-09-05 DOI: 10.1016/j.jshs.2024.100982
José Francisco López-Gil, Yasmin Ezzatvar, Antonio García-Hermoso
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引用次数: 0
Commentary on "Multiscale hamstring muscle adaptations following 9 weeks of eccentric training". 关于 "9 周偏心训练后腿筋肌肉的多尺度适应性 "的评论。
IF 10.3 1区 医学 Q1 HOSPITALITY, LEISURE, SPORT & TOURISM Pub Date : 2025-12-01 Epub Date: 2024-10-26 DOI: 10.1016/j.jshs.2024.101002
Markus Tilp
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引用次数: 0
Effects of short- and long-term exercise training on cancer cells in vitro: Insights into the mechanistic associations. 短期和长期运动训练对体外癌细胞的影响:对机理关联的见解。
IF 10.3 1区 医学 Q1 HOSPITALITY, LEISURE, SPORT & TOURISM Pub Date : 2025-12-01 Epub Date: 2024-10-05 DOI: 10.1016/j.jshs.2024.100994
Francesco Bettariga, Dennis R Taaffe, Daniel A Galvão, Robert U Newton

Exercise is a therapeutic approach in cancer treatment, providing several benefits. Moreover, exercise is associated with a reduced risk for developing a range of cancers and for their recurrence, as well as with improving survival, even though the underlying mechanisms remain unclear. Preclinical and clinical evidence shows that the acute effects of a single exercise session can suppress the growth of various cancer cell lines in vitro. This suppression is potentially due to altered concentrations of hormones (e.g., insulin) and cytokines (e.g., tumor necrosis factor alpha and interleukin 6) after exercise. These factors, known to be involved in tumorigenesis, may explain why exercise is associated with reduced cancer incidence, recurrence, and mortality. However, the effects of short- (<8 weeks) and long-term (≥8 weeks) exercise programs on cancer cells have been reported with mixed results. Although more research is needed, it appears that interventions incorporating both exercise and diet seem to have greater inhibitory effects on cancer cell growth in both apparently healthy subjects as well as in cancer patients. Although speculative, these suppressive effects on cancer cells may be driven by changes in body weight and composition as well as by a reduction in low-grade inflammation often associated with sedentary behavior, low muscle mass, and excess fat mass in cancer patients. Taken together, such interventions could alter the systemic levels of suppressive circulating factors, leading to a less favorable environment for tumorigenesis. While regular exercise and a healthy diet may establish a more cancer-suppressive environment, each acute bout of exercise provides a further "dose" of anticancer medicine. Therefore, integrating regular exercise could potentially play a significant role in cancer management, highlighting the need for future investigations in this promising area of research.

运动是治疗癌症的一种方法,具有多种益处。此外,运动还能降低罹患各种癌症及其复发的风险,并提高生存率,尽管其潜在机制仍不清楚。临床前和临床证据表明,单次运动的急性效应可抑制体外各种癌细胞株的生长。这种抑制作用可能是由于运动后激素(如胰岛素)和细胞因子(如肿瘤坏死因子α和白细胞介素6)浓度的改变。这些已知与肿瘤发生有关的因素可能解释了为什么运动与降低癌症发病率、复发率和死亡率有关。然而,运动对癌症的短期(或长期)影响并不明显。
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引用次数: 0
Response to the comment on "Does ischemic preconditioning enhance sports performance more than placebo or no intervention? A systematic review with meta-analysis". 对“缺血预处理是否比安慰剂或不干预更能提高运动成绩?”荟萃分析的系统综述”。
IF 10.3 1区 医学 Q1 HOSPITALITY, LEISURE, SPORT & TOURISM Pub Date : 2025-12-01 Epub Date: 2025-05-17 DOI: 10.1016/j.jshs.2025.101057
Hiago L R Souza, Géssyca T Oliveira, Anderson Meireles, Marcelo P Dos Santos, João G Vieira, Rhai A Arriel, Stephen D Patterson, Moacir Marocolo
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引用次数: 0
Commentary on the dose-response effect of pre-exercise carbohydrates in McArdle disease: Methodological considerations and practical implications. 关于麦卡德尔病运动前碳水化合物剂量反应效应的评论:方法学考虑和实际意义:麦卡德尔病的运动前碳水化合物。
IF 10.3 1区 医学 Q1 HOSPITALITY, LEISURE, SPORT & TOURISM Pub Date : 2025-12-01 Epub Date: 2024-08-27 DOI: 10.1016/j.jshs.2024.100972
Jiawei Du, Jinghua Hou
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引用次数: 0
期刊
Journal of Sport and Health Science
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