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Aerobic Fitness Changes In Trained And Untrained Subjects Following A Three Week Cycling Course 经过三周的自行车训练和未训练的受试者有氧适能的变化
Pub Date : 2020-07-01 DOI: 10.1249/01.mss.0000685148.50633.c0
K. Farmer, Marlene R. Wenta
PURPOSE: We determined the effect of a 5BX-style program on peak oxygen uptake (VO2peak) in inactive but healthy young men and women (20±1 y; body mass index: 20±5 kg/m ; mean±SD). METHODS: Participants were randomized to a training group that performed 18 sessions over six weeks (n=9), or a non-training control group (n=10). Each session involved a 1-minute warm-up (jumping jacks), followed by 1-minute bouts of five exercises (burpees, high knees, split squat jumps, high knees, squat jumps), each interspersed with 1-minute of active recovery (walking around the room). Participants were instructed to complete as many repetitions per bout as possible, at a self-determined ―challenging‖ pace. All sessions were supervised and compliance was 100%. RESULTS: Mean intensity during training was 82±5% of maximal heart rate. Borg Scale ratings of perceived exertion for the five exercises ranged from 12±2 to 15±3 out of 20. ANCOVA revealed a significant difference between groups after the intervention, such that VO2peak was higher in the training group compared to control (34.2±6.4 vs 30.3±11.1 ml/kg/min; P=0.03). Peak power output during the VO2peak test was also higher after training compared to control (211±43 vs 191±50 W, p=0.004). There were no changes in leg muscular endurance, handgrip strength or vertical jump height in either group. CONCLUSIONS: A simple bodyweight interval training program, requiring 11 minutes per session, increased cardiorespiratory fitness in previously sedentary young adults when performed three times per week for six weeks. Supported by NSERC.
目的:我们确定5bx式运动对不运动但健康的年轻男性和女性(20±1y;体重指数:20±5 kg/m;平均数±标准差)。方法:参与者被随机分配到6周内进行18次训练的训练组(n=9)和非训练对照组(n=10)。每次训练包括1分钟的热身(开合跳),然后是1分钟的五组练习(立卧撑、高膝、劈腿深蹲跳、高膝、深蹲跳),每组中间穿插1分钟的主动恢复(在房间里走动)。参与者被要求以一种自我确定的“具有挑战性”的速度,每回合尽可能多地完成重复。所有的会议都有监督,遵守是100%。结果:平均训练强度为最大心率的82±5%。博格量表对五种运动的感知用力程度评分范围从12±2到15±3(满分20分)。干预后各组间ANCOVA差异显著,训练组vo2峰值高于对照组(34.2±6.4 vs 30.3±11.1 ml/kg/min;P = 0.03)。训练后vo2峰值测试期间的峰值功率输出也高于对照组(211±43 vs 191±50 W, p=0.004)。两组的腿部肌肉耐力、握力和垂直跳跃高度都没有变化。结论:一个简单的体重间歇训练项目,每次需要11分钟,可以提高以前久坐不动的年轻人的心肺健康,每周进行三次,持续六周。NSERC支持。
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引用次数: 0
Prehabilitation With High Intensity Inverval Training Before Major Abdominal Surgery 腹部大手术前的高强度后仰训练
Pub Date : 2020-07-01 DOI: 10.1249/01.mss.0000678716.64436.90
J. Woodfield, K. Clifford, W. Tait, Tim McGuire, J. Baldi
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引用次数: 0
Sustainability Strategies Of A 3-week Preventive Measure In Patients With Knee Osteoarthritis 膝关节骨关节炎患者3周预防措施的可持续性策略
Pub Date : 2020-07-01 DOI: 10.1249/01.mss.0000678624.04377.2a
A. Pietsch, J. Schroeder, R. Reer, H. Riepenhof
time trial (6MTT), respectively. PA and SB were recorded using an activPAL micro accelerometer. QoL was assessed using the EQ5D VAS and the PHQ8. Fasting serum levels of glucose, triglycerides, HDL-C, LDL-C and CRP were measured. Blood pressure (BP) was measured using a 24-hour ambulatory BP monitor. ActivPAL generated PA and SB variables were analyzed using PCA. General linear models were used to investigate the association between PA and SB and indices of health. RESULTS: PCA analysis of sedentary time, standing time, stepping time, LIPA, MVPA, step count, sedentary bout lengths and total number of sedentary bouts generated three distinct factor; i) prolonged sedentary behavior (PSB), ii) physical activity (PA), and iii) broken sedentary behavior (BSB). The three derived variables account for 86% of the total the variance in PA and SB. There was a significant main effect for PSB on LDL-C (F (1,189) = 9.06) and PHQ8 scores (F(1,162) = 6.82). There was a significant main effect for PA on BMI (F(1,99) = 14.48), WHR (F(1,99) = 5.77), STS (F(1,222) =77.08), 6 MTT (F(1,222) = 77.08), EQ5D VAS (F(1,162) = 14.13), triglycerides (F(1,188) = 4.95), CRP (F(1,155) = 4.28), and systolic BP (F(1,99) = 4.94). There was a significant main effect for BSB on HDL cholesterol (F(1,188) = 6.25). CONCLUSIONS: The PCA derived factors PSB, PA and BSB are associated with established disease risk factors in patients with CD
计时赛(6MTT)。PA和SB用activPAL微加速度计记录。采用EQ5D VAS和PHQ8评价生活质量。测定空腹血清葡萄糖、甘油三酯、HDL-C、LDL-C和CRP水平。采用24小时动态血压监测仪测量血压(BP)。用PCA分析ActivPAL生成的PA和SB变量。采用一般线性模型研究PA、SB与健康指标之间的关系。结果:通过PCA分析,久坐时间、站立时间、步行时间、LIPA、MVPA、步数、久坐回合长度和总久坐回合数产生了三个显著因子;1)长时间久坐行为(PSB), 2)身体活动(PA), 3)打破久坐行为(BSB)。这三个衍生变量占PA和SB总方差的86%。PSB对LDL-C (F(1189) = 9.06)和PHQ8评分(F(1162) = 6.82)有显著的主效应。PA对BMI (F(1,99) = 14.48)、WHR (F(1,99) = 5.77)、STS (F(1,222) =77.08)、6 MTT (F(1,222) =77.08)、EQ5D VAS (F(1,162) = 14.13)、甘油三酯(F(1,188) = 4.95)、CRP (F(1,155) = 4.28)、收缩压(F(1,99) = 4.94)有显著的主要影响。BSB对HDL胆固醇有显著的主效应(F(1188) = 6.25)。结论:PCA衍生因子PSB、PA和BSB与CD患者已确定的疾病危险因素相关
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引用次数: 0
Ethnic Differences In Post-prandial Glycemic Control After Acute Moderate-intensity Continuous Or High-intensity Interval Exercise 急性中强度连续或高强度间歇运动后餐后血糖控制的种族差异
Pub Date : 2020-07-01 DOI: 10.1249/01.mss.0000671556.59454.84
J. Sargeant, C. Jelleyman, Matthew McCarthy, J. Henson, J. King, K. Khunti, M. Davies, T. Yates
PURPOSE: The purpose of this study was to investigate the effects of progressive combined exercise program on irisin, C-peptide, HOMA-β, HOMA-IR, body composition and physical fitness in obese elderly women with type 2 diabetes. METHODS: Thirty six obese elderly women with T2DM patients (76.64 ± 6.56 years, %BF 36.09 ± 4.18, HbA1c 7.05 ± 0.85%) were randomly assigned to the combined exercise group (n = 20) and to the control group (n = 16). The 60 minute combined exercise program (outdoor walking + elastic-band resistance exercise) was performed 3 times per week for 12 weeks, and the intensity was progressively increased every four weeks (Outdoor walking RPE 11-14; Band exercise 1-4 weeks: OMNI-RES 3 to 4, 5-8 weeks: OMNI-RES 5 to 6, 9-12weeks: OMNI-RES 7 to 8). RESULTS: There were significant time × group interactions for irisin (p<0.001), C-peptide (p=0.002), HOMA-β (p<0.001), HOMA-IR (p=0.045), fasting blood glucose (p<0.001), and HbA1c (p<0.001). Result of combined exercise group were as follows; percentage of body fat had significantly decreased, and irisin level had significantly increased. In addition, HbA1c and Glucose were significantly decreased to improve glycemic control, and C-peptide, CPI and HOMA-β levels were significantly increased. Fasting glucose (r=-0.424), HbA1c (r=-0.351), SBP (r=-0.397) and percentage of body fat (r=-0.423) changes level showed a negative whereas HOMA-β (r=0.411) and aerobic endurance (r=0.355) changes level had a positive correlation with irisin change level. CONCLUSIONS: Combined exercise improves irisin levels and regulates percentage of body fat and blood glucose, which improves beta-cell function than non-exercise. Therefore, progressive combined exercise improves body composition, blood glucose and β-cell function by increasing irisin levels in obese elderly women with type 2 diabetes.
目的:探讨进行性联合运动方案对老年肥胖2型糖尿病女性鸢尾素、c肽、HOMA-β、HOMA- ir、体成分和体质的影响。方法:36例肥胖老年女性T2DM患者(76.64±6.56岁,%BF 36.09±4.18,HbA1c 7.05±0.85%)随机分为联合运动组(n = 20)和对照组(n = 16)。60分钟的联合运动方案(户外散步+弹力带阻力运动)每周进行3次,持续12周,强度每四周逐步增加一次(户外散步RPE 11-14;结果:组间鸢尾素(p<0.001)、c肽(p=0.002)、HOMA-β (p<0.001)、HOMA- ir (p=0.045)、空腹血糖(p<0.001)、HbA1c (p<0.001)的时间×组相互作用显著。联合运动组结果如下:体脂率显著降低,鸢尾素水平显著升高。此外,显著降低HbA1c和葡萄糖水平,改善血糖控制,c肽、CPI和HOMA-β水平显著升高。空腹血糖(r=-0.424)、HbA1c (r=-0.351)、SBP (r=-0.397)和体脂百分比(r=-0.423)变化水平与鸢尾素变化水平呈负相关,HOMA-β (r=0.411)和有氧耐力(r=0.355)变化水平与鸢尾素变化水平呈正相关。结论:与不运动相比,联合运动可提高鸢尾素水平,调节体脂率和血糖,改善β细胞功能。因此,进行性联合运动可以通过提高肥胖老年2型糖尿病女性的鸢尾素水平来改善身体成分、血糖和β细胞功能。
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引用次数: 0
High-intensity Interval Training Reduces Symptom- And Disability-associated Inflammation Marker In Persons With Multiple Sclerosis 高强度间歇训练减少多发性硬化症患者症状和残疾相关炎症标志物
Pub Date : 2020-07-01 DOI: 10.1249/01.mss.0000671592.48065.ce
N. Joisten, J. Bansi, A. Rademacher, S. Proschinger, A. Schenk, W. Bloch, P. Zimmer
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引用次数: 0
Combined Aerobic And Strength Exercise Maintains Circulating Fgf-21 In Asian Breast Cancer Patients 有氧和力量联合运动维持亚洲乳腺癌患者循环Fgf-21
Pub Date : 2020-07-01 DOI: 10.1249/01.mss.0000686284.55868.7d
Jorming Goh, L. Lim, B. Kennedy, S. C. Lee
PURPOSE: Combined aerobic and resistance training improves systemic inflammation and muscle mass in breast cancer survivors. However, whether combined exercise modulates novel metabolic hormones and alarmins is unknown. FGF-21 was reported to modulate glucose metabolism in physically active adults, while IL-33, a recently discovered alarmin, is prognostic for breast cancer outcomes. This study aimed to determine the effects of 3 months of combined aerobic and strength exercise on systemic FGF-21, FGF-23, IL-33 and cytokines in Asian breast cancer patients. METHODS: Patients with early stage (I-II) breast cancer underwent curative breast surgery and were randomized into a combined aerobic and strength exercise group (Age: 55.3 ± 9.2 years; BMI: 26.7 ± 3.8; N = 23) or observation group (Age: 49.3 ± 8.7 years ; BMI: 24.7 ± 4.6; N = 20) that spanned 3 months. Antecubital blood was collected at baseline, 3 months and 6 months. Serum concentration of cytokines (IL-10, IL-12, IL-33, IFN-γ, TNF-α) and myokines (FGF-21, FGF-23) were quantified using a customized magnetic bead panel (Milliplex®) and read with a Luminx 200TM instrument. Biomarker data were assessed by a 2-way [group (exercise vs. observation) by time (baseline, 3 months, 6 months)] analysis of variance (ANOVA). Data are reported as means ± SD, with significance set at P < 0.05. RESULTS: A significant main effect of intervention was observed for FGF-21 (P < 0.01), with patients in the exercise group presenting with higher FGF-21 at 3 months (73.16 ± 54.05 pg/mL vs. 46.47 ± 25.33 pg/mL) and 6 months (66.67 ± 50.03 pg/mL vs. 41.79 ±33.81 pg/mL), compared with the observation group. A significant main effect of exercise on IFN-γ (P < 0.05) was observed, with lower serum IFN-γ in the exercise group at 3 months (3.85 ± 4.34 pg/mL vs. 5.43 ± 7.28 pg/mL and 6 months (3.89 ± 4.58 pg/mL vs. 5.32 ± 8.1 pg/mL), compared with controls. No significant differences were observed between groups in other outcome measures. CONCLUSIONS: A 3-month aerobic and strength exercise program preserves serum FGF-21, possibly associated with better glucose control in breast cancer patients. Lower serum IFN-γ after exercise training may suggest an attenuated pro-inflammatory response, which may be linked to better immune outcomes.
目的:有氧和抗阻联合训练可改善乳腺癌幸存者的全身炎症和肌肉质量。然而,是否联合运动调节新的代谢激素和警报是未知的。据报道,FGF-21可以调节身体活跃的成年人的葡萄糖代谢,而IL-33是一种最近发现的警报蛋白,可以预测乳腺癌的预后。本研究旨在确定3个月有氧和力量联合运动对亚洲乳腺癌患者全身FGF-21、FGF-23、IL-33和细胞因子的影响。方法:接受治愈性乳房手术的早期(I-II)乳腺癌患者随机分为有氧运动和力量运动联合组(年龄:55.3±9.2岁;Bmi: 26.7±3.8;N = 23)或观察组(年龄:49.3±8.7岁;Bmi: 24.7±4.6;N = 20),持续3个月。在基线、3个月和6个月采集肘前血。血清细胞因子(IL-10、IL-12、IL-33、IFN-γ、TNF-α)和肌因子(FGF-21、FGF-23)浓度使用定制磁珠面板(Milliplex®)进行定量,并用Luminx 200TM仪器进行读数。生物标志物数据通过时间(基线、3个月、6个月)方差分析(ANOVA)进行双向[组(运动vs观察)]评估。数据以均数±SD报告,显著性为P < 0.05。结果:干预对FGF-21有显著的主效应(P < 0.01),运动组患者FGF-21在3个月(73.16±54.05 pg/mL vs. 46.47±25.33 pg/mL)和6个月(66.67±50.03 pg/mL vs. 41.79±33.81 pg/mL)时均高于观察组。运动对IFN-γ有显著的主要影响(P < 0.05),与对照组相比,运动组在3个月(3.85±4.34 pg/mL vs. 5.43±7.28 pg/mL)和6个月(3.89±4.58 pg/mL vs. 5.32±8.1 pg/mL)时血清IFN-γ较低。在其他结果测量中,两组间未观察到显著差异。结论:3个月的有氧和力量锻炼计划可保持血清FGF-21,可能与乳腺癌患者更好的血糖控制有关。运动训练后较低的血清IFN-γ可能表明促炎反应减弱,这可能与更好的免疫结果有关。
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引用次数: 0
Orthostatic Challenge After High-intensity Interval Exercise Vs. Continuous Aerobic Exercise In Young Women 年轻女性高强度间歇运动与持续有氧运动后的站立挑战
Pub Date : 2020-07-01 DOI: 10.1249/01.mss.0000682900.28800.e6
Jitanan Laosiripisan, Napasakorn Chuensiri, Kadidesh Chomkum, Suwijak Boonpratheep
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引用次数: 0
Sudden Collapse - Field Hockey 突然崩溃-曲棍球
Pub Date : 2020-07-01 DOI: 10.1249/01.mss.0000679704.71446.29
Jill S. Moschelli
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引用次数: 0
Association Between Chronic Diseases, Sports Participation And Obesity: Findings From A Brazilian Longitudinal Study 慢性病、运动参与和肥胖之间的关系:来自巴西纵向研究的发现
Pub Date : 2020-07-01 DOI: 10.1249/01.mss.0000678612.92779.25
B. C. T. Lynch, J. Codogno, R. Fernandes, H. Monteiro
{"title":"Association Between Chronic Diseases, Sports Participation And Obesity: Findings From A Brazilian Longitudinal Study","authors":"B. C. T. Lynch, J. Codogno, R. Fernandes, H. Monteiro","doi":"10.1249/01.mss.0000678612.92779.25","DOIUrl":"https://doi.org/10.1249/01.mss.0000678612.92779.25","url":null,"abstract":"","PeriodicalId":14781,"journal":{"name":"Journal is not defined within the JOURNAL database.","volume":"39 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80532613","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Brain Derived Neurotropic Factor Response To Aerobic Exercise In The Cold 脑源性神经营养因子对寒冷条件下有氧运动的反应
Pub Date : 2020-07-01 DOI: 10.1249/01.mss.0000683604.90282.6d
C. Sedlacek, Ryan Wiet, Emily C. Tagesen, Eliott Arroyo, E. Glickman, Adam R. Jajtner
{"title":"Brain Derived Neurotropic Factor Response To Aerobic Exercise In The Cold","authors":"C. Sedlacek, Ryan Wiet, Emily C. Tagesen, Eliott Arroyo, E. Glickman, Adam R. Jajtner","doi":"10.1249/01.mss.0000683604.90282.6d","DOIUrl":"https://doi.org/10.1249/01.mss.0000683604.90282.6d","url":null,"abstract":"","PeriodicalId":14781,"journal":{"name":"Journal is not defined within the JOURNAL database.","volume":"46 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79008620","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
期刊
Journal is not defined within the JOURNAL database.
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