Journal of Sports Medicine最新文献_第4页

Effects of Marathon Running on Aerobic Fitness and Performance in Recreational Runners One Week after a Race. 马拉松跑对休闲跑者在比赛后一周有氧体能和表现的影响。

Journal of Sports Medicine Pub Date : 2017-01-01 Epub Date: 2017-08-24 DOI: 10.1155/2017/9402386

Fuminori Takayama, Atsushi Aoyagi, Wataru Shimazu, Yoshiharu Nabekura

{"title":"Effects of Marathon Running on Aerobic Fitness and Performance in Recreational Runners One Week after a Race.","authors":"Fuminori Takayama, Atsushi Aoyagi, Wataru Shimazu, Yoshiharu Nabekura","doi":"10.1155/2017/9402386","DOIUrl":"https://doi.org/10.1155/2017/9402386","url":null,"abstract":"It is not clear whether or not recreational runners can recover aerobic fitness and performance within one week after marathon running. This study aimed to investigate the effects of running a marathon race on aerobic fitness and performance one week later. Eleven recreational runners (six men, five women) completed the race in 3 h 36 min 20 s ± 41 min 34 s (mean ± standard deviation). Before and 7 days after the race, they performed a treadmill running test. Perceived muscle soreness was assessed before the race and for the following 7 days. The magnitude of changes in the treadmill running test was considered possibly trivial for maximal oxygen uptake ([Formula: see text]O2max) (mean difference -1.2 ml/kg/min; ±90% confidence limits 2 ml/kg/min), unclear for %[Formula: see text]O2max at anaerobic threshold (AT) (-0.5; ±4.1%) and RE (0.2; ±3.5 ml/kg/km), and likely trivial for both velocity at AT and peak (-0.2; ±0.49 km/h and -0.3; ±0.28 km/h). Perceived muscle soreness increased until 3 days after the race, but there were no clear differences between the values before the race and 4-7 days after it. These results show that physiological capacity associated with marathon running performance is recovered within 7 days after a marathon run.","PeriodicalId":30574,"journal":{"name":"Journal of Sports Medicine","volume":"2017 ","pages":"9402386"},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/2017/9402386","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"35251694","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 20

Concussion Incidence and Recurrence in Professional Australian Football Match-Play: A 14-Year Analysis. 澳大利亚职业足球比赛中脑震荡的发病率和复发:一个14年的分析。

Journal of Sports Medicine Pub Date : 2017-01-01 Epub Date: 2017-07-19 DOI: 10.1155/2017/2831751

Nathan Gibbs, Mark Watsford

{"title":"Concussion Incidence and Recurrence in Professional Australian Football Match-Play: A 14-Year Analysis.","authors":"Nathan Gibbs, Mark Watsford","doi":"10.1155/2017/2831751","DOIUrl":"https://doi.org/10.1155/2017/2831751","url":null,"abstract":"Background: Concussion incidence rates in professional Australian football may be underreported due to the injury classification definition. A myriad of factors contribute to concussion risk; however, there is limited long-term surveillance in Australian football. This study analysed concussion in one Australian football team over an extended period.Method: Match-play concussion injuries in one team (n = 116 participants) were diagnosed and treated by the team physician over 14 years. Analysis of factors related to concussion including matches played, time of day and season, and return to play provided an insight into occurrence and recurrence rates.Results: 140 concussions were recorded (17.6 per 1000 player match hours). A strong relationship was evident between matches played and concussion incidence (r = 0.70) and match conditions did not negatively affect the concussion rate. Whether an athlete returned to play in the same match or suffered a loss-of-consciousness concussion (p = 0.84), their ensuing rate of concussion was not affected.Conclusion: Concussion in professional Australian football was related to the number of matches played. Further, neither previous incidence nor loss of consciousness affected future concussion risk. This study provides ecologically valid evidence of the concussion incidence rate in professional Australian football and has implications for the management of athletes sustaining concussion injuries.","PeriodicalId":30574,"journal":{"name":"Journal of Sports Medicine","volume":"2017 ","pages":"2831751"},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/2017/2831751","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"35318097","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 6

Open versus Closed Kinetic Chain Exercises following an Anterior Cruciate Ligament Reconstruction: A Systematic Review and Meta-Analysis. 前交叉韧带重建后开放与封闭运动链训练:系统回顾和荟萃分析。

Journal of Sports Medicine Pub Date : 2017-01-01 Epub Date: 2017-08-17 DOI: 10.1155/2017/4721548

Daniel Jewiss, Cecilia Ostman, Neil Smart

{"title":"Open versus Closed Kinetic Chain Exercises following an Anterior Cruciate Ligament Reconstruction: A Systematic Review and Meta-Analysis.","authors":"Daniel Jewiss, Cecilia Ostman, Neil Smart","doi":"10.1155/2017/4721548","DOIUrl":"https://doi.org/10.1155/2017/4721548","url":null,"abstract":"Background: There is no consensus on whether closed kinetic chain (CKC) or open kinetic chain (OKC) exercises should be the intervention of choice following an anterior cruciate ligament (ACL) injury or reconstruction.Methods: A systematic search identified randomized controlled trials of OKC versus CKC exercise training in people who had undergone ACL reconstructive surgery. All published studies in this systematic review were comparisons between OKC and CKC groups.Results: Seven studies were included. Lysholm knee scoring scale was not significantly different between OKC and CKC exercise patients: MD: -1.03%; CI: -13.02, 10.95; p value = 0.87 (Chi2 = 0.18, df = 1, and p value = 0.67). Hughston clinic questionnaire scores were not significantly different between OKC and CKC exercise patients: MD: -1.29% (-12.02, 9.43); p value = 0.81 (Chi2 = 0.01, df = 1, and p value = 0.93).Conclusions: While OKC and CKC may be beneficial during ACL surgical rehabilitation, there is insufficient evidence to suggest that either one is superior to the other.","PeriodicalId":30574,"journal":{"name":"Journal of Sports Medicine","volume":"2017 ","pages":"4721548"},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/2017/4721548","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"35515519","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 29

Walking Cadence to Exercise at Moderate Intensity for Adults: A Systematic Review. 成人中等强度运动的步行节奏：系统回顾。

Journal of Sports Medicine Pub Date : 2017-01-01 Epub Date: 2017-03-28 DOI: 10.1155/2017/4641203

J Slaght, M Sénéchal, T J Hrubeniuk, A Mayo, D R Bouchard

{"title":"Walking Cadence to Exercise at Moderate Intensity for Adults: A Systematic Review.","authors":"J Slaght, M Sénéchal, T J Hrubeniuk, A Mayo, D R Bouchard","doi":"10.1155/2017/4641203","DOIUrl":"10.1155/2017/4641203","url":null,"abstract":"Background. Most adults choose walking as a leisure activity. However, many do not reach the international physical activity guidelines for adults, which recommend moderate intensity aerobic activity for at least 150 minutes/week in bouts of 10 minutes. Purpose. This systematic review provides an update on the walking cadence required to reach moderate intensity in adults and older adults, identifies variables associated with reaching moderate intensity, and evaluates how walking cadence intensity should be measured, but the main purpose is to report the interventions that have been attempted to prescribe walking cadence to increase time spent at moderate intensity or other outcomes for adults and older adults. Methods. SportDISCUS, Scopus, and PubMed databases were searched. We identified 3,917 articles and 31 were retained for this systematic review. Only articles written in English were included. Results. In general, 100 steps/minute is prescribed for adults to achieve moderate intensity, but older adults may require a higher cadence. Currently, few studies have explored using walking cadence prescription as an intervention to increase physical activity levels. Conclusion. Prescribing walking cadence as a way to increase physical activity levels has potential as a practical and useful strategy, but more evidence is required to assess its ability to increase physical activity levels at moderate intensity.","PeriodicalId":30574,"journal":{"name":"Journal of Sports Medicine","volume":"2017 ","pages":"4641203"},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5387837/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"34956459","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Reductions in Resting Blood Pressure in Young Adults When Isometric Exercise Is Performed Whilst Walking. 边走边做等长运动可降低年轻人的静息血压

Journal of Sports Medicine Pub Date : 2017-01-01 Epub Date: 2017-05-07 DOI: 10.1155/2017/7123834

Anthony W Baross, David A Hodgson, Sarah L Padfield, Ian L Swaine

{"title":"Reductions in Resting Blood Pressure in Young Adults When Isometric Exercise Is Performed Whilst Walking.","authors":"Anthony W Baross, David A Hodgson, Sarah L Padfield, Ian L Swaine","doi":"10.1155/2017/7123834","DOIUrl":"10.1155/2017/7123834","url":null,"abstract":"Aerobic and isometric training have been shown to reduce resting blood pressure, but simultaneous aerobic and isometric training have not been studied. The purpose of this study was to compare the changes in resting systolic (SBP), diastolic (DBP), and mean arterial blood pressure (MAP) after 6 weeks of either (i) simultaneous walking and isometric handgrip exercise (WHG), (ii) walking (WLK), (iii) isometric handgrip exercise (IHG), or control (CON). Forty-eight healthy sedentary participants (age 20.7 ± 1.7 yrs, mass 67.2 ± 10.2 kg, height 176.7 ± 1.2 cm, male n = 26, and female n = 22) were randomly allocated, to one of four groups (n = 12 in each). Training was performed 4 × week-1 and involved either treadmill walking for 30 minutes (WLK), handgrip exercise 3 × 10 s at 20% MVC (IHG), or both performed simultaneously (WHG). Resting SBP, DBP, and MAP were recorded at rest, before and after the 6-week study period. Reductions in resting blood pressure were significantly greater in the simultaneous walking and handgrip group than any other group. These results show that simultaneous walking and handgrip training may have summative effects on reductions in resting blood pressure.","PeriodicalId":30574,"journal":{"name":"Journal of Sports Medicine","volume":"2017 ","pages":"7123834"},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5438836/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"35036619","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Erratum to "Nutritional Considerations for Performance in Young Athletes". 对“年轻运动员表现的营养考虑”的勘误。

Journal of Sports Medicine Pub Date : 2017-01-01 Epub Date: 2017-11-22 DOI: 10.1155/2017/6904048

JohnEric W Smith, Megan E Holmes, Matthew J McAllister

引用次数: 0

Examining Measures of Weight as Risk Factors for Sport-Related Injury in Adolescents. 研究作为青少年运动相关伤害风险因素的体重测量方法。

Journal of Sports Medicine Pub Date : 2016-01-01 Epub Date: 2016-07-20 DOI: 10.1155/2016/7316947

Sarah A Richmond, Alberto Nettel-Aguirre, Patricia K Doyle-Baker, Alison Macpherson, Carolyn A Emery

{"title":"Examining Measures of Weight as Risk Factors for Sport-Related Injury in Adolescents.","authors":"Sarah A Richmond, Alberto Nettel-Aguirre, Patricia K Doyle-Baker, Alison Macpherson, Carolyn A Emery","doi":"10.1155/2016/7316947","DOIUrl":"10.1155/2016/7316947","url":null,"abstract":"Objectives. To examine body mass index (BMI) and waist circumference (WC) as risk factors for sport injury in adolescents. Design. A secondary analysis of prospectively collected data from a pilot cluster randomized controlled trial. Methods. Adolescents (n = 1,040) at the ages of 11-15 years from two Calgary junior high schools were included. BMI (kg/m(2)) and WC (cm) were measured from direct measures at baseline assessment. Categories (overweight/obese) were created using validated international (BMI) and national (WC) cut-off points. A Poisson regression analysis controlling for relevant covariates (sex, previous injury, sport participation, intervention group, and aerobic fitness level) estimated the risk of sport injury [incidence rate ratios (IRR) with 95% confidence intervals (CI)]. Results. There was an increased risk of time loss injury (IRR = 2.82, 95% CI: 1.01-8.04) and knee injury (IRR = 2.07, 95% CI: 1.00-6.94) in adolescents that were overweight/obese; however, increases in injury risk for all injury and lower extremity injury were not statistically significant. Estimates suggested a greater risk of time loss injury [IRR = 1.63 (95% CI: 0.93-2.47)] in adolescents with high measures of WC. Conclusions. There is an increased risk of time loss injury and knee injury in overweight/obese adolescents. Sport injury prevention training programs should include strategies that target all known risk factors for injury. ","PeriodicalId":30574,"journal":{"name":"Journal of Sports Medicine","volume":"2016 ","pages":"7316947"},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4971326/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"34369995","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Plasma Cytokine Profiles in Long-Term Strenuous Exercise. 长期剧烈运动的血浆细胞因子谱。

Journal of Sports Medicine Pub Date : 2016-01-01 Epub Date: 2016-04-28 DOI: 10.1155/2016/7186137

Hilde G Nielsen, Olav Øktedalen, Per-Kristian Opstad, Torstein Lyberg

{"title":"Plasma Cytokine Profiles in Long-Term Strenuous Exercise.","authors":"Hilde G Nielsen, Olav Øktedalen, Per-Kristian Opstad, Torstein Lyberg","doi":"10.1155/2016/7186137","DOIUrl":"https://doi.org/10.1155/2016/7186137","url":null,"abstract":"The open window theory indicates altered immunity 3 to 72 hours after exercise. The J-curve describes the risk of illness in response to exercise. The aim of this study was to examine the secretion of proinflammatory and anti-inflammatory cytokines before and after long-term strenuous exercise. Fourteen marathon and 16 half-marathon runners and 10 military cadets participating in a military ranger-training course were recruited to this study. Within-subject design was used measuring levels of plasma cytokines before, during, and after exercise. Plasma cytokines were measured using Luminex multiplex technology and ELISA. Comparing pre/post plasma levels both the marathon- and the half-marathon runners showed heavily increased levels of IL-6, IL-10, and IL-8 (P < 0.001). LPS stimulation among the half-marathon runners decreased the postrace levels of IL-6, IL-1b, and TNFα by 45%, 24%, and 43%, respectively (P < 0.01). During the ranger training course the spontaneous and LPS-stimulated levels of IL-6, IL-8, IL-10, IL-1b, and TNFα changed in a similar fashion as in the half-marathon runners although the fluctuations were smaller. Our study supports the open window and the J-curve theory; the immune system is more activated and the subjects are more threatened to infectious pathogens after intensive physical activity and in the period after exercise. ","PeriodicalId":30574,"journal":{"name":"Journal of Sports Medicine","volume":"2016 ","pages":"7186137"},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/2016/7186137","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"34528855","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 55

Validity of a Smartphone-Based Application for Determining Sprinting Performance. 基于智能手机的短跑成绩判定应用程序的有效性。

Journal of Sports Medicine Pub Date : 2016-01-01 Epub Date: 2016-07-21 DOI: 10.1155/2016/7476820

Robert Stanton, Melanie Hayman, Nyree Humphris, Hanna Borgelt, Jordan Fox, Luke Del Vecchio, Brendan Humphries

{"title":"Validity of a Smartphone-Based Application for Determining Sprinting Performance.","authors":"Robert Stanton, Melanie Hayman, Nyree Humphris, Hanna Borgelt, Jordan Fox, Luke Del Vecchio, Brendan Humphries","doi":"10.1155/2016/7476820","DOIUrl":"https://doi.org/10.1155/2016/7476820","url":null,"abstract":"Recent innovations in smartphone technology have led to the development of a number of applications for the valid and reliable measurement of physical performance. Smartphone applications offer a number of advantages over laboratory based testing including cost, portability, and absence of postprocessing. However, smartphone applications for the measurement of running speed have not yet been validated. In the present study, the iOS smartphone application, SpeedClock, was compared to conventional timing lights during flying 10 m sprints in recreationally active women. Independent samples t-test showed no statistically significant difference between SpeedClock and timing lights (t(190) = 1.83, p = 0.07), while intraclass correlations showed excellent agreement between SpeedClock and timing lights (ICC (2,1) = 0.93, p = 0.00, 95% CI 0.64-0.97). Bland-Altman plots showed a small systematic bias (mean difference = 0.13 seconds) with SpeedClock giving slightly lower values compared to the timing lights. Our findings suggest SpeedClock for iOS devices is a low-cost, valid tool for the assessment of mean flying 10 m sprint velocity in recreationally active females. Systematic bias should be considered when interpreting the results from SpeedClock. ","PeriodicalId":30574,"journal":{"name":"Journal of Sports Medicine","volume":"2016 ","pages":"7476820"},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/2016/7476820","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"34369996","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 18

Comparison of Muscle Onset Activation Sequences between a Golf or Tennis Swing and Common Training Exercises Using Surface Electromyography: A Pilot Study. 使用表面肌电图比较高尔夫或网球挥杆和普通训练运动之间的肌肉启动激活序列:一项初步研究。

Journal of Sports Medicine Pub Date : 2016-01-01 Epub Date: 2016-06-15 DOI: 10.1155/2016/3987486

John M Vasudevan, Andrew Logan, Rebecca Shultz, Jeffrey J Koval, Eugene Y Roh, Michael Fredericson

{"title":"Comparison of Muscle Onset Activation Sequences between a Golf or Tennis Swing and Common Training Exercises Using Surface Electromyography: A Pilot Study.","authors":"John M Vasudevan, Andrew Logan, Rebecca Shultz, Jeffrey J Koval, Eugene Y Roh, Michael Fredericson","doi":"10.1155/2016/3987486","DOIUrl":"https://doi.org/10.1155/2016/3987486","url":null,"abstract":"Aim. The purpose of this pilot study is to use surface electromyography to determine an individual athlete's typical muscle onset activation sequence when performing a golf or tennis forward swing and to use the method to assess to what degree the sequence is reproduced with common conditioning exercises and a machine designed for this purpose. Methods. Data for 18 healthy male subjects were collected for 15 muscles of the trunk and lower extremities. Data were filtered and processed to determine the average onset of muscle activation for each motion. A Spearman correlation estimated congruence of activation order between the swing and each exercise. Correlations of each group were pooled with 95% confidence intervals using a random effects meta-analytic strategy. Results. The averaged sequences differed among each athlete tested, but pooled correlations demonstrated a positive association between each exercise and the participants' natural muscle onset activation sequence. Conclusion. The selected training exercises and Turning Point™ device all partially reproduced our athletes' averaged muscle onset activation sequences for both sports. The results support consideration of a larger, adequately powered study using this method to quantify to what degree each of the selected exercises is appropriate for use in both golf and tennis. ","PeriodicalId":30574,"journal":{"name":"Journal of Sports Medicine","volume":"2016 ","pages":"3987486"},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/2016/3987486","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"34659865","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 3