Healthy

健康
  • 文章类型: Journal Article
    目的:健康饮食和富含植物化学物质的饮食可以在前列腺癌中促进健康。因此,本研究旨在探讨健康饮食指标(HDI)和植物化学指数(PI)与前列腺癌比值比之间的可能关联。
    方法:这是一项在设拉子进行的病例对照研究,伊朗,涉及62例新诊断的前列腺癌病例和63例医院控制。这项研究收集了人口统计和人体测量数据,以及通过半定量食物频率问卷获得的饮食摄入量信息。采用Logistic回归模型评估HDI和PI与前列腺癌的相关性。
    结果:该研究包括120名参与者,发现HDI和PI评分较高的个体患前列腺癌的比值比较低(HDI:比值比(OR):0.322-置信区间(CI)95%:0.14-0.700-PI:OR:0.426-CI95%:0.204-0.888)。在调整了潜在的混杂因素后,尤其是在HDI评分较高的人群中,前列腺癌的比值比较低(OR:0.376-CI95%:0.163~0.868).
    结论:本研究的结果表明,采用富含膳食植物化学物质的更健康的饮食习惯可以有效预防和阻止前列腺癌的进展。
    OBJECTIVE: Healthy diets and diets rich in phytochemicals can have health-promoting benefits in prostate cancer. Therefore, this study aimed to explore the possible association between Healthy Diet Indicator (HDI) and Phytochemical Index (PI) with prostate cancer odds ratio.
    METHODS: This is a case-control study conducted in Shiraz, Iran, involving 62 newly diagnosed prostate cancer cases and 63 hospital-based controls. The study collected demographic and anthropometric data, as well as dietary intake information via a semi-quantitative food frequency questionnaire. Logistic regression models were employed to evaluate the association between HDI and PI with prostate cancer.
    RESULTS: The study included 120 participants and found that individuals with higher HDI and PI scores had a lower odds ratio of prostate cancer (HDI: odds ratio (OR): 0.322 - confidence interval (CI) 95%: 0.14-0.700 - PI: OR: 0.426 - CI 95%: 0.204-0.888). After adjusting for potential confounders, a lower odds ratio of prostate cancer was observed specifically among those with higher HDI scores (OR: 0.376 - CI 95%: 0.163-0.868).
    CONCLUSIONS: The findings of the present study suggest that adopting healthier dietary habits rich in dietary phytochemicals could be effective in preventing and halting the progression of prostate cancer.
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  • 文章类型: Journal Article
    三维(3D)斑点追踪超声心动图(3DSTE)是无创成像的最新发展之一,可同时对心房和瓣膜环进行3D评估。3DSTE用于分析健康成人受试者的左心房(LA)体积变化与二尖瓣环(MA)尺寸和功能特性之间的相关性。
    这项回顾性队列研究共纳入297名健康受试者,其中图像质量不足是排除98例(33%)的原因。其余研究人群包括199名健康成年人,无窦性心律瓣膜反流/狭窄(平均年龄:33.5±12.7岁,104名男性,体重指数:24.7±1.2kg/m2,收缩压和舒张压:118.2±3.4mmHg和78.3±4.5mmHg,分别)。所有病例均进行了二维多普勒超声心动图和3DSTE检查。
    更大的LA体积与功能降低的更扩张的MA尺寸相关。仅在收缩期和舒张末期可以证明左心房容积升高,而LA排空分数增加仅存在于舒张末期。减少的MA部分面积变化与更大的舒张LA容积相关,较小的早期舒张LA中风量,此外,所有LA排空分数也较小。可以证明LA和MA参数之间的相关性。
    3DSTE不仅适用于腔室量化,还用于评估瓣膜环的尺寸。LA体积与MA尺寸和功能特性之间存在很强的关系。
    UNASSIGNED: Three-dimensional (3D) speckle-tracking echocardiography (3DSTE) is one of the newest development in non-invasive imaging offering simultaneous 3D evaluation of atria and valvular annuli. 3DSTE was used to analyze correlations between left atrial (LA) volume changes and mitral annular (MA) dimensions and functional properties in healthy adult subjects.
    UNASSIGNED: A total of 297 healthy subjects were enrolled in this retrospective cohort study, from which insufficient quality of images was responsible for the exclusion of 98 cases (33%). The remaining study population consisted of 199 healthy adults without valvular regurgitation/stenosis in sinus rhythm (mean age: 33.5 ± 12.7 years, 104 males, body mass index: 24.7 ± 1.2 kg/ m 2 , systolic and diastolic blood pressure: 118.2 ± 3.4 mmHg and 78.3 ± 4.5 mmHg, respectively). Two-dimensional Doppler echocardiography and 3DSTE were performed in all cases.
    UNASSIGNED: Larger LA volumes were associated with more dilated MA dimensions with its reduced function. Elevated LA stroke volumes could be demonstrated only in systole and end-diastole, while increased LA emptying fraction was present only in end-diastole. Reduced MA fractional area change was associated with larger diastolic LA volumes, smaller early diastolic LA stroke volume, in addition all LA emptying fractions were smaller as well. Correlations could be demonstrated between LA and MA parameters.
    UNASSIGNED: 3DSTE is suitable not only for chamber quantifications, but also for the assessment of valvular annular dimensions. Strong relationship exists between LA volumes and MA dimensions and functional properties.
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  • 文章类型: Journal Article
    背景:营养对于治疗和缓解月经失调的症状很重要。本研究旨在探讨女性月经紊乱与特定食物和营养素摄入之间的关系。
    方法:五十九名经期妇女参与了这项研究。问卷表格是由研究人员通过谷歌表格创建的,并在在线应用程序中分发(WhatsApp,Instagram等。).问卷由5个部分组成,包括人口统计数据,申报人体测量(高度(米或厘米),重量(g或kg)),关于饮食习惯的问题,月经状况,和24小时的食物消费。使用SPSS23进行统计分析;使用BeBiS9.0对食物消耗进行营养分析。
    结果:发现健康参与者的体重指数(BMI)高于月经失调的女性。月经失调的女性蛋白质摄入量较低,维生素K,维生素B3,维生素B5和钠与健康女性相比。所有参与者都有较高的维生素B3,钠,磷,和锰,与国家充足的摄入量相比,其他营养素的摄入量较低。
    结论:我们的研究结果表明,患有月经紊乱的女性食用更多的高糖食物/饮料,并且营养素摄入不足。
    BACKGROUND: Nutrition is important to the management and relief of the symptoms in menstrual disorders. This study aims to investigate the relationship between menstrual disorders and specific foods and nutrient intake in women.
    METHODS: Five-hundred-nine menstruating women participated in the study. The questionnaire form was created by the researchers via Google Forms and distributed in online applications (WhatsApp, Instagram etc.). The questionnaire consists of 5 sections, including demographic data, declared anthropometric measurements (height (m or cm), weight (g or kg)), questions about eating habits, menstruation status, and 24-hour food consumption. Statistical analysis was made with SPSS 23; nutrient analysis of food consumption was made using BeBiS 9.0.
    RESULTS: It was found that the body mass index (BMI) of healthy participants was higher than women with menstrual disorders. Women with menstrual disorders have lower intake of protein, vitamin K, vitamin B3, vitamin B5 and sodium compared with healthy women. All participants have a higher intake of vitamin B3, sodium, phosphorus, and manganese, and have a lower intake of other nutrients compared with the national adequate intake.
    CONCLUSIONS: Our findings showed that women with menstrual disorders consume more high-sugar food/beverages and have inadequate nutrients intake.
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  • 文章类型: Journal Article
    目标:包括Instagram在内的社交网络(SN)越来越受欢迎。然而,SN介导的内容可能会以负面方式影响饮食行为。这项研究分析了声称“健康”的Instagram内容是否符合营养指南。
    方法:在Instagram上用法语发布的食谱,标题为#健康或类似的食谱进行了分析,一次从2023年2月到5月,一次在2024年4月。卫生当局的指南和食品金字塔纳入标准被用于定量和定性分析,分别。然后将食谱分类为平衡的,部分不平衡或不平衡,有两个子组“限制性”和“过度”,根据主要蛋白质来源。
    结果:我们共编码了114个课程(2个数据集,每个57个课程)。其中,3个被归类为平衡主菜,45门作为部分不平衡的主课,66门作为不平衡的主课(21门被认为是限制性的,21为过量,24为不足),大部分都是低热量的课程。大约一半的食谱是素食或素食。
    结论:这些结果表明,在Instagram上发布的食物食谱#healthymay,有时,与营养指南相去甚远,更可能促进不平衡的饮食模式。这表明SN上与食物相关的内容可能没有得到充分的调节,被称为#健康的食谱也许应该伴随着警告和预防措施。这个观察,除了在SN上显示的其他有害行为(例如极端的身体活动或身体图像压力)之外,还可能导致与有问题的SN使用相关的进食障碍(ED)的发生率增加。迫切需要有关此风险的警报和可访问的工具,以预防和早期检测SN用户的ED风险。
    OBJECTIVE: social networks (SN) including Instagram have increased in popularity. However, SN-mediated content may influence eating behaviors in a negative way. This study analyzed whether Instagram content claimed as \"healthy\" complies with nutritional guidelines.
    METHODS: recipes posted in French on Instagram with the caption #healthy or similar ones were analyzed, once from February to May 2023 and again in April 2024. Health authorities\' guidelines and food pyramid inclusion criteria were used for the quantitative and qualitative analysis, respectively. Recipes were then classified as balanced, partially unbalanced or unbalanced, with the two subgroups \"restrictive\" and \"excessive\", and according to the main protein source.
    RESULTS: we coded a total of 114 courses (2 datasets of 57 courses each). Among these, 3 were classified as balanced main courses, 45 as partially unbalanced main courses and 66 as unbalanced main courses (21 were deemed as restrictive, 21 as excessive and 24 were otherwise inadequate), with a majority of hypocaloric courses. Approximately half of the recipes were vegetarian or vegan.
    CONCLUSIONS: these results suggest that food recipes published on Instagram as #healthy may, at times, be far from nutritional guidelines and could rather promote unbalanced eating patterns. This suggest that food-related content on SN might be insufficiently moderated and that recipes referenced as #healthy should perhaps be accompanied by warnings and preventive measures. This observation, in addition to other detrimental behaviors displayed on SN (e.g. extreme physical activity or body image pressure) may contribute to the increased incidence of eating disorders (ED) associated with problematic SN use. Alerts on this risk and accessible tools for the prevention and early detection of ED risk in SN users are urgently needed.
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  • 文章类型: Journal Article
    在肾功能良好的中年人中,载脂蛋白L1(APOL1)基因型对未来肾病风险的影响尚不明确。
    纵向队列研究。
    总共,5,886名健康个体(45-64岁)参加了社区动脉粥样硬化风险研究,其基于肌酐的估计肾小球滤过率≥80mL/min,将是合适的肾脏供体。
    种族和APOL1基因型。
    使用CKD-EPI(慢性肾脏病流行病学合作)2021方程,基于肌动蛋白和胱抑素C的估计肾小球滤过率(eGFRcr-cys),尿白蛋白-肌酐比值(UACR),慢性肾脏病(CKD)3a或更严重的比例,终末期肾病(ESKD),和死亡。
    参与者根据种族和APOL1基因型进行分组。各组比较eGFRcr-cys和UACR。使用多项逻辑回归模型比较CKD的几率。建立Kaplan-Meier存活曲线以比较最后随访时的ESKD和死亡率。
    有5,075名白人(86%),701携带低风险APOL1基因型的黑人(12%),和110名携带高风险APOL1基因型的黑人(2%)。基线时的平均年龄为53±6岁。十年后,白人参与者的eGFRcr-cys低于低危和高危人群(分别为89±16vs91±16和92±15mL/min/1.73m2;P<0.001)。25岁时,白人参与者的eGFRcr-cys继续低于低风险组(70±18vs72±19mL/min/1.73m2;P<0.001),但与高风险APOL1基因型(67±23mL/min/1.73m2)相比没有。在10岁和25岁时,各组之间的UACR没有差异(分别为P=0.87和0.91)。在未调整模型和调整模型中,低风险和高风险APOL1组发生CKD3a期或更差的几率没有差异(分别为P=0.26和P=0.39)。在最后的随访中,<5%发达的ESKD,45%的个体死亡或达到ESKD,组间结局无差异.
    由于死亡和长期随访而导致的确定性低。
    在中年人中,APOL1基因型似乎不是未来肾病风险的主要驱动因素。
    患有肾病的黑人患者携带2种载脂蛋白L1(APOL1)基因变体,被称为高风险基因型,与具有0或1个风险变异的患者相比,肾功能加速下降。尚不清楚高危基因型是否会对健康中年人的肾功能产生负面影响。我们评估了APOL1基因型对基线时肾功能和血压正常的社区动脉粥样硬化风险研究参与者(平均年龄53岁)的肾功能的影响。在25年的随访中,APOL1高危基因型似乎不是未来肾病风险的主要驱动因素.我们的研究结果与老年活体捐献者以及APOL1相关肾脏疾病患者的家庭成员的咨询有关。
    UNASSIGNED: The effect of apolipoprotein L1(APOL1) genotype on future risk of kidney disease among middle-aged individuals with good kidney function is not well established.
    UNASSIGNED: Longitudinal cohort study.
    UNASSIGNED: In total, 5,886 healthy individuals (45-64 years old) enrolled in the Atherosclerosis Risk in Communities study with creatinine-based estimated glomerular filtration rate ≥ 80 mL/min who would be suitable kidney donors.
    UNASSIGNED: Race and APOL1 genotype.
    UNASSIGNED: Creatinine- and cystatin C-based estimated glomerular filtration rate (eGFRcr-cys) using the CKD-EPI (Chronic Kidney Disease Epidemiology Collaboration) 2021 equation, urinary albumin-creatinine ratio (UACR), proportion with chronic kidney disease (CKD) 3a or worse, end-stage kidney disease (ESKD), and death.
    UNASSIGNED: Participants grouped based on race and APOL1 genotype. Compared eGFRcr-cys and UACR across groups. Multinomial logistic regression models were used compare odds of CKD. Kaplan-Meier survival curves were created to compare rates of ESKD and death at last follow-up.
    UNASSIGNED: There were 5,075 Whites (86%), 701 Blacks carrying the low-risk APOL1 genotype (12%), and 110 Blacks carrying the high-risk APOL1 genotype (2%). The mean age at baseline was 53 ± 6 years. At 10 years, White participants had lower eGFRcr-cys than low-risk and high-risk groups (89 ± 16 vs 91 ± 16 and 92 ± 15 mL/min/1.73 m2, respectively; P < 0.001). At 25 years, White participants continued to have lower eGFRcr-cys than the low-risk group (70 ± 18 vs 72 ± 19 mL/min/1.73 m2; P < 0.001) but not compared with the high-risk APOL1 genotype (67±23 mL/min/1.73 m2). There was no difference in UACR among groups at 10 and 25 years (P = 0.87 and 0.91, respectively). The odds of developing CKD stage 3a or worse were not different between low-risk and high-risk APOL1 group in both unadjusted and adjusted models (P = 0.26 and P = 0.39, respectively). At last follow-up, <5% developed ESKD, and 45% of individuals either died or reached ESKD with no difference in outcomes between the groups.
    UNASSIGNED: Low ascertainment because of death and long follow-up.
    UNASSIGNED: Among middle-aged individuals, APOL1 genotype does not appear to be a major driver of future risk of kidney disease.
    Black patients with kidney disease carrying 2 variants of the apolipoprotein L1 (APOL1) gene, referred to as the high-risk genotype, experience an accelerated decline in kidney function than those with 0 or 1 risk variant. It is unknown whether the high-risk genotype negatively affects kidney function of healthy middle-aged individuals. We evaluated the effect of APOL1 genotype on kidney function of the Atherosclerosis Risk in Communities study participants (mean age 53 years) who had normal kidney function and blood pressure at baseline. At 25 years of follow-up, the APOL1 high-risk genotype did not appear to be a major driver of future risk of kidney disease. Our study findings are relevant for counseling older living donor candidates as well as family members of patients with APOL1-associated kidney disease.
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  • 文章类型: Journal Article
    重复经颅磁刺激(rTMS)已被证明可以在不同的神经精神疾病中产生认知增强作用;然而,到目前为止,这些影响是有限的。这项试验研究了使用一种新颖的个性化方法来靶向左背外侧前额叶皮质(L-DLPFC)以增强认知灵活性的功效。首先,根据每个人在随机字母生成任务中的表现,确定了40名健康参与者在L-DLPFC的单一目标位点.参与者随后收到,在交叉单盲实验设计中,对其个性化的DLPFC目标部位进行单次间歇性theta爆发刺激(iTBS),活性对照位点和假iTBS。在每种治疗条件下,参与者完成了任务切换任务和Colour-WordStroop测试。治疗条件对任务切换任务的切换反应时间的主要结果测量没有显着的主要影响[F=1.16(2,21.6),p=0.33]或任何次要认知结果测量。当前的结果不支持使用我们的新的个性化靶向方法来增强健康参与者的认知灵活性。需要研究替代的方法学靶向方法,以进一步提高rTMS的认知增强效果。
    Repetitive transcranial magnetic stimulation (rTMS) has been demonstrated to produce cognitive enhancing effects across different neuropsychiatric disorders; however, so far, these effects have been limited. This trial investigated the efficacy of using a novel individualised approach to target the left dorsolateral prefrontal cortex (L-DLPFC) for enhancing cognitive flexibility based on performance on a cognitive task. First, forty healthy participants had their single target site at the L-DLPFC determined based on each individual\'s performance on a random letter generation task. Participants then received, in a cross-over single-blinded experimental design, a single session of intermittent theta burst stimulation (iTBS) to their individualised DLPFC target site, an active control site and sham iTBS. Following each treatment condition, participants completed the Task Switching task and Colour-Word Stroop test. There was no significant main effect of treatment condition on the primary outcome measure of switch reaction times from the Task Switching task [F = 1.16 (2, 21.6), p = 0.33] or for any of the secondary cognitive outcome measures. The current results do not support the use of our novel individualised targeting methodology for enhancing cognitive flexibility in healthy participants. Research into alternative methodological targeting approaches is required to further improve rTMS\'s cognitive enhancing effects.
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  • 文章类型: Journal Article
    这项研究的目的是确定健康儿童的纤维蛋白单体参考间隔。这项横断面研究在越南国家儿童医院血液科(2023年4月至2024年3月)进行。这项研究纳入了没有凝血障碍或抗凝剂使用史的儿童,这些儿童在骨科手术或腹股沟疝手术的准备中住院。纤维蛋白单体测试方法是STA-R系统上的定量纤维蛋白单体测试(DiagnosticaStago™,法国)。86名儿童(58名男性和28名女性)被纳入研究。中位数(四分位数间距,2.5-97.5)研究对象的纤维蛋白单体值为2.56(0.11-5.93)µg/mL,1个月至3岁年龄组的纤维蛋白单体值无统计学差异,3年到13年,13年到18年。这是越南进行的第一项确定儿童纤维蛋白单体参考值的研究。这些信息可以帮助儿童早期高凝阶段和弥散性血管内凝血的诊断和治疗。
    The objective of this study is to determine the fibrin monomer reference intervals in healthy children. This cross-sectional study was conducted in the Hematology Department at Vietnam National Children\'s Hospital (April 2023 to March 2024). Children without prior history of clotting disorders or anticoagulants use hospitalized in preparation for orthopedic surgery or inguinal hernia surgery were enrolled in the study. The fibrin monomer test method was the quantitative fibrin monomer test on the STA-R system (Diagnostica Stago™, France). Eighty-six children (58 males and 28 females) were enrolled in the study. The median (interquartile range, 2.5th-97.5th) fibrin monomer value of the study subjects was 2.56 (0.11-5.93) µg/mL, with no statistically significant difference in fibrin monomer values among the age groups of 1 month to 3 years, 3 years to 13 years, and 13 years to 18 years. This is the first study conducted in Vietnam to determine reference values of fibrin monomer in children. This information can help in the diagnosis and treatment of early hypercoagulation stage and disseminated intravascular coagulation in children.
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  • 文章类型: Journal Article
    背景:在许多研究中,自我评估健康(SRH)已被确定为死亡率和医疗保健利用的有效预测指标。关于SRH和饮食摄入的研究有限。这项研究旨在调查居住在德黑兰的成年人的健康饮食指数(HEI)与SRH之间的关系。
    方法:这项横断面研究是在2021年至2022年访问德黑兰卫生中心的850名20-59岁成年男女中进行的。使用经过验证和可靠的半定量食物频率问卷对168种食物进行评估,SRH被评估了一个问题:“总的来说,“你如何评价你的健康?”我们将SRH分类为优秀/非常好,不错,公平/贫穷。在描述性统计部分,我们对定量和定性变量使用平均值±标准偏差或数字(比率),分别。卡方检验和单因素方差分析用于计算SRH各三分位数的人口统计特征的百分比和平均值。协方差分析用于比较能量的均值,大量营养素,HEI,及其跨SRH三分位数的分量变量。
    结果:最终样本包括795名参与者(68.2%为女性;平均±标准偏差年龄:44.81±10.62岁),其中40%报告了优异/非常好的SRH,30%的人分别报告了良好和一般/较差的SRH。体重指数之间没有关联,身体活动,教育,健康状况,吸烟,和SRH的睡眠持续时间。调整后,HEI总评分及其组成部分评分在不同的SRH状态中没有差异.然而,SRH良好的参与者总能量摄入量较高(平均差(MD):180.33大卡,P值<0.001),总脂肪(MD:8.15gr,P值=0.002),和总碳水化合物(MD:20.18gr,P值=0.004)比SRH好/差的高。
    结论:根据我们的发现,一般/较差的SRH与较低的总能耗有关,总脂肪,以及伊朗成年人的总碳水化合物。额外的观察研究将是必要的,以澄清这些发现。
    BACKGROUND: Self-rated health (SRH) has been identified in many studies as a valid predictor of mortality and healthcare utilization. There is limited research on SRH and dietary intake. This study aimed to investigate the association between healthy eating index (HEI) and SRH in adults living in Tehran.
    METHODS: This cross-sectional study was carried out among 850 adult men and women aged 20-59 years who visited health centers in Tehran from 2021 to 2022. Dietary intake was assessed using a validated and reliable semiquantitative food frequency questionnaire with 168 food items, and SRH was assessed with one question: \"In general, how do you rate your health?\". We categorized SRH into excellent/very good, good, and fair/poor. In the descriptive statistics part, we used mean ± standard deviation or number (ratio) for quantitative and qualitative variables, respectively. The chi-squared test and one-way analysis of variance were used to calculate the percentage and mean for demographic characteristics across tertiles of SRH. An analysis of covariance was used to compare the means of energy, macronutrients, the HEI, and its component variables across the tertiles of SRH.
    RESULTS: The final sample included 795 participants (68.2% female; mean ± standard deviation age: 44.81 ± 10.62 years) whose 40% reported excellent/very good SRH, and 30% reported good and fair/poor SRH separately. There was no association between body mass index, physical activity, education, health status, smoking, and sleep duration with SRH. After adjustment, the total HEI score and its component scores did not differ across the tertiles of SRH status. However, participants with good SRH had a higher intake of total energy (mean difference (MD): 180.33 Kcal, P value < 0.001), total fat (MD: 8.15 gr, P value = 0.002), and total carbohydrates (MD: 20.18 gr, P value = 0.004) than those with fair/poor SRH.
    CONCLUSIONS: According to our findings, fair/poor SRH was associated with a lower consumption of total energy, total fat, and total carbohydrates in Iranian adults. Additional observational studies would be necessary to clarify these findings.
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  • 文章类型: Journal Article
    高强度间歇训练(HIIT)已成为现代社会流行的锻炼策略,塔巴塔训练方法是最受欢迎的。在过去,这些训练方法大多是在没有设备的情况下完成的,但是将运动游戏纳入训练中可能会为肌肉训练提供新的选择。
    这项研究的目的是使用HIIT程序结合exergaming来探索上肢肌肉激活的差异。
    共招募了15名健康男性参与者进行研究,在HIIT期间,比较了俯卧撑和exergaming(NintendoSwitchRingFitAdventurewithRing-Con配件)之间的肌肉激活差异。在测试之前,参与者进行了预测试,包括各种肌肉群的最大自愿收缩,最大俯卧撑测试,以及使用游戏设备的最大运动测试。俯卧撑和exergaming测试在不同的日子进行,以避免干扰,在测试前在跑步机上预热5分钟。三角肌外侧和前部的肌肉激活,胸大肌的胸骨和锁骨头,在每种运动模式的最大自愿收缩和单轮测试期间测量背阔肌。重复测量ANOVA用于评估在两种不同的运动模式中观察到的肌肉激活的变化。特别是俯卧撑和运动游戏。
    在游戏游戏中,俯卧撑的重复次数明显少于单场练习(平均23.13,SD6.36vs平均55.67,SD17.83;P=.001;效应大小[ES]:2.43)和单轮练习(平均21.93,SD7.67vs平均92.40,SD20.47;P=.001;ES:4.56).心率差异无统计学意义(均P>.05),然而,在特定的肌肉群中,锻炼导致了更好的肌肉激活,特别是右前三角肌(平均48.00%,标准差为7.66%,平均值为32.84%,SD10.27%;P=.001;ES:1.67)和右胸大肌(胸骨头:平均38.99%,SD9.98%与平均值26.90%,SD12.97%;P=.001;ES:1.04;锁骨头:平均43.54%,SD9.59%与平均值30.09%,SD11.59%;P=.002;ES:1.26)在力竭训练期间。在单轮训练中,前三角肌观察到类似的模式(平均51.37%,SD11.76%与平均值35.47%,SD12.72%;P=0.002;ES:1.30)和胸大肌(胸骨头:平均53.27%,SD10.79%与平均值31.56%,SD16.92%;P=.001;ES:1.53;锁骨头:平均53.75%,SD13.01%与平均值37.95%,SD14.67%;P=.006;ES:1.14)。这些结果表明,运动对目标肌肉激活可能更有效。
    总而言之,HIIT可以增加上肢的肌肉激活,并且可以纳入exergaming策略,以提供一种有趣且引人入胜的锻炼方式。
    UNASSIGNED: High-intensity interval training (HIIT) has become a popular exercise strategy in modern society, with the Tabata training method being the most popular. In the past, these training methods were mostly done without equipment, but incorporating exergaming into the training may provide a new option for muscle training.
    UNASSIGNED: The aim of this study was to explore the differences in upper limb muscle activation using an HIIT program combined with exergaming.
    UNASSIGNED: A total of 15 healthy male participants were recruited for the study, and the differences in muscle activation were compared between push-ups and exergaming (Nintendo Switch Ring Fit Adventure with the Ring-Con accessory) during HIIT. Prior to the tests, participants underwent pretests, including maximal voluntary contractions of various muscle groups, maximal push-up tests, and maximal movement tests using the exergaming device. The push-up and exergaming tests were conducted on separate days to avoid interference, with a warm-up period of 5 minutes on a treadmill before testing. Muscle activation in the lateral and anterior portions of the deltoid muscle, the sternal and clavicular heads of the pectoralis major muscle, and the latissimus dorsi muscle were measured during the maximal voluntary contractions and single-round tests for each exercise mode. A repeated measures ANOVA was used to assess the variations in muscle activation observed across the 2 distinct modes of exercise, specifically push-ups and exergaming.
    UNASSIGNED: In exergaming, the number of repetitions for push-ups was significantly fewer than for single-site exercises across both exhaustive (mean 23.13, SD 6.36 vs mean 55.67, SD 17.83; P=.001; effect size [ES]: 2.43) and single-round (mean 21.93, SD 7.67 vs mean 92.40, SD 20.47; P=.001; ES: 4.56) training. Heart rate differences were not significant (all P>.05), yet exergaming led to better muscle activation in specific muscle groups, particularly the right anterior deltoid (mean 48.00%, SD 7.66% vs mean 32.84%, SD 10.27%; P=.001; ES: 1.67) and right pectoralis major (sternal head: mean 38.99%, SD 9.98% vs mean 26.90%, SD 12.97%; P=.001; ES: 1.04; clavicular head: mean 43.54%, SD 9.59% vs mean 30.09%, SD 11.59%; P=.002; ES: 1.26) during exhaustive training. In single-round training, similar patterns were observed with the anterior deltoid (mean 51.37%, SD 11.76% vs mean 35.47%, SD 12.72%; P=.002; ES: 1.30) and pectoralis major (sternal head: mean 53.27%, SD 10.79% vs mean 31.56%, SD 16.92%; P=.001; ES: 1.53; clavicular head: mean 53.75%, SD 13.01% vs mean 37.95%, SD 14.67%; P=.006; ES: 1.14). These results suggest that exergaming may be more effective for targeted muscle activation.
    UNASSIGNED: In conclusion, HIIT can increase muscle activation in the upper extremities and can be incorporated into exergaming strategies to provide a fun and engaging way to exercise.
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  • 文章类型: Journal Article
    目的:运动功能在日常活动中起着至关重要的作用,从基本的自我护理任务到需要精确和灵巧的复杂活动。本研究旨在研究经颅直流电刺激(tDCS)对健康人握力和手灵活性的影响。
    方法:我们进行了一项双盲随机临床试验,包括假和活动性tDCS两组。阳极固定在C3点上的初级运动皮层区域M1上。主要结果是通过测力计测量的手握力,次要结果是通过PurduePegboard测试评估的手灵活性和装配性。tDCS计划在第一周和第二周休息三次和两次,共五次,每次20分钟。
    结果:假(N=27)和主动(N=27)tDCS组之间的平均握力差异没有显着改善(1.7vs.2.3,曼-惠特尼U检验,P=0.869,d=0.02)。接受主动tDCS的参与者在右手灵活性方面表现出细微的改善(0.6vs.1.3,U检验P=0.017,d=0.33)和总体手动灵活性(1.4vs.3.2,U检验P=0.023,d=0.31)与假手术组比拟。两组之间手的灵活性和装配性(小物体操纵过程中的运动协调和精细技能)的其他比较均无统计学意义。我们没有发现假性或活动性tDCS的任何不良反应。
    结论:我们的研究表明,健康个体在接受五次tDCS治疗后,手的灵活性有可能得到临床改善。
    OBJECTIVE: Motor function plays a critical role in everyday activities, from basic self-care tasks to complex activities that require precision and dexterity. This study was conducted to investigate the effects of transcranial direct current stimulation (tDCS) on grip strength and hand dexterity in healthy individuals.
    METHODS: We conducted a double-blind randomized clinical trial with two groups of sham and active tDCS. The anode was fixed over the primary motor cortex area M1 on the C3 point. The primary outcome was hand grip strength measured by a dynamometer and the secondary outcomes were hand dexterity and assembly assessed by the Purdue Pegboard test. The tDCS program was administered at rest three and two times for the first and second week for a total of five sessions of 20 min each.
    RESULTS: There was no significant improvement in the mean difference in grip strength between the sham (N = 27) and active (N = 27) tDCS groups (1.7 vs. 2.3, Mann-Whitney U test, P = 0.869, d = 0.02). Participants who received active tDCS showed subtle improvements in right-hand dexterity (0.6 vs. 1.3, U test P = 0.017, d = 0.33) and overall manual dexterity (1.4 vs. 3.2, U test P = 0.023, d = 0.31) compared with the sham group. Other comparisons for hand dexterity and assembly (motor coordination and fine skills during the manipulation of small objects) between the two groups were not significant. We did not find any adverse effects of sham or active tDCS.
    CONCLUSIONS: Our study showed a potential for clinical improvement in hand dexterity after five sessions of tDCS in healthy individuals.
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