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International journal of sports medicine 10건

  1. [해외논문]   Changes to the Editorial Team of the IJSM   SCI SCIE

    Duarte, José
    International journal of sports medicine v.39 no.1 ,pp. 3 - 3 , 2018 , 0172-4622 ,

    초록

    There have been some changes to the Board of Editors of the IJSM. Already this year, Prof. Donald Dengel of the University of Minnesota, USA, replaced editor Prof. Joseph Houmard, who had been with the journal since 2006 and chose to leave the team for professional reasons. Unfortunately, our Editor-in-Chief Prof. Appell Coriolano is fast approaching his retirement from academia and will also be leaving the IJSM editorial team. Hans-Joachim Appell Coriolano joined the Editorial Board of the IJSM in 1987 and accepted the position of Assistant Editor in 1989. Over the years, he gradually assumed even greater responsibility for manuscript organization and editing. He has served as Editor-in-Chief since 2006 and is regarded as a true “primus inter pares” within the editors' team. For his tremendous commitment and unwavering dedication to the IJSM for nearly 30 years, Prof. Appell Coriolano is acknowledged by his peers and Thieme Publishers as the “heart and soul” of the IJSM as it exists today. The level of scientific quality and international recognition attained by the IJSM is in large part due to his valuable contributions and scientific rigor. It is therefore with great regret that we bid him farewell, but we are sure that his guidance and spirit will continue to shape the future of this publication.

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    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

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  2. [해외논문]   Effect of Neuromuscular Electrical Stimulation on Brain-derived Neurotrophic Factor   SCI SCIE

    Miyamoto, Toshiaki (School of Rehabilitation, Hyogo University of Health Sciences, Kobe, Japan ) , Kou, Keihou (School of Nursing, Hyogo University of Health Sciences, Kobe, Japan ) , Yanamoto, Hideya (School of Rehabilitation, Hyogo University of Health Sciences, Kobe, Japan ) , Hashimoto, Saya (School of Rehabilitation, Hyogo University of Health Sciences, Kobe, Japan ) , Ikawa, Mai (School of Rehabilitation, Hyogo University of Health Sciences, Kobe, Japan ) , Sekiyama, Takashi (School of Rehabilitation, Hyogo University of Health Sciences, Kobe, Japan ) , Nakano, Yoshiki (School of Rehabilitation, Hyogo University of Health Sciences, Kobe, Japan ) , Kashiwamura, Shin-ichiro (General Education Center, Hyogo University of Health Sciences, Kobe, Japan ) , Takeda, Chisako (School of Nursing, Hyogo University of Health Sciences, Kobe, Japan ) , Fujioka, Hiroyuki (School of Rehabilitation, Hyogo University of Health Sciences, Kobe, Japan)
    International journal of sports medicine v.39 no.1 ,pp. 5 - 11 , 2018 , 0172-4622 ,

    초록

    Abstract Brain-derived neurotrophic factor (BDNF) has been considered an essential mediator responsible for the beneficial effects of physical activity in preventing cognitive impairment. This study aimed at examining the effects of a single bout of neuromuscular electrical stimulation (NMES) on levels of BDNF in the plasma and on cognitive performance in healthy adult men. Thirteen healthy adult men participated in three experimental sessions. The first session was 30 min of NMES to both legs, the second was 30 min of cycling exercise at the intensity of 60% peak oxygen uptake, and the third was 30 min of complete rest. Blood was examined for plasma BDNF levels and glucose concentrations, and cognitive performance tests were performed before and after each session. A single bout of NMES significantly increased plasma BDNF levels (p 0.05). However, there were no significant changes in cognitive performance between the sessions (p>0.05). The present study found that a single bout of NMES significantly increased plasma BDNF to levels normally present during moderate voluntary exercise. Therefore, NMES could serve as an alternative method of exercise, and might shed light on individuals for whom voluntary physical exercise is contraindicated.

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    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

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  3. [해외논문]   Impact of Type of Sport, Gender and Age on Red Blood Cell Deformability of Elite Athletes   SCI SCIE

    Tomschi, Fabian (Molecular and Cellular Sports Medicine, German Sport University Cologne, Germany ) , Bloch, Wilhelm (Molecular and Cellular Sports Medicine, German Sport University Cologne, Germany ) , Grau, Marijke (Molecular and Cellular Sports Medicine, German Sport University Cologne, Germany)
    International journal of sports medicine v.39 no.1 ,pp. 12 - 20 , 2018 , 0172-4622 ,

    초록

    Abstract Our objective was to detect possible differences in red blood cell (RBC) deformability of elite athletes performing different types of sports and being of different age and gender.182 athletes were included in this cross-sectional study. RBC deformability was measured using the laser-assisted optical rotational cell-analyzer. Maximal elongation index (EI max) and shear stress at half-maximum deformation (SS 1/2) were calculated. The ratio SS 1/2 /EI max (EI Ratio) was calculated with low values representing high RBC deformation. Hematocrit (Hct) and mean cellular volume (MCV) were determined in venous blood. Overall RBC deformability did not differ between male and female athletes but, when separated by age of the subjects, RBC deformability increased with age in male but not in female athletes. RBC deformability was lower in Combat sports compared other sport groups. Hct was higher in male compared to female athletes while no difference was observed for MCV. MCV and Hct increased with increasing age. A negative correlation was found between the EI Ratio and MCV and between EI Ratio and Hct. Conclusion: RBC deformability is influenced by age and endurance rate of the sport which suggests that the RBC system may adapt to changing conditions such as adolescence with the onset effects of sex hormones or physical exercise.

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    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

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  4. [해외논문]   Lifelong Voluntary Exercise Modulates Age-Related Changes in Oxidative Stress   SCI SCIE

    Bouzid, Mohamed (Unité) , Filaire, Edith (de Recherche Education, Motricité, Sport et Santé) , Matran, Ré (UR15JS01, Institut Supérieur du Sport et de l'Education Physique de Sfax, Université) , gis (de Sfax, Tunisie ) , Robin, Sophie (Laboratoire CIAMS, EA4532, Université) , Fabre, Claudine (Paris-Sud, Université)
    International journal of sports medicine v.39 no.1 ,pp. 21 - 28 , 2018 , 0172-4622 ,

    초록

    Abstract The hypothesis that aging and regular physical activity could influence oxidative stress has been studied by comparing antioxidant activities (superoxide dismutase (SOD), glutathione peroxidase (GPX), glutathione reductase (GR), ascorbic acid and α-Tocopherol) and malondialdehyde level (MDA) in four groups: young sedentary (n=15; age: 20.3±2.8 years; YS), young active (n=16; age: 21.4±1.9 years; YA), old sedentary (n=15; age: 65.1±3.5 years; OS) and old active (n=17; age: 67.2±4.8 years; OA). Antioxidant activities and MDA level were assessed at rest and after an incremental exercise. There was no difference in resting antioxidant activities and lipid peroxidation between YS and OS. However, resting SOD and GR activities were higher in YA compared to OA (p

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    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

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  5. [해외논문]   Concurrent Training with Blood Flow Restriction does not Decrease Inflammatory Markers   SCI SCIE

    de Souza, Thiago (Faculty of Physical Education, University of Campinas, UNICAMP, Campinas, Brazil ) , Libardi, Cleiton (Department of Physical Education, Federal University of São Carlos - UFSCar, São Carlos, Brazil ) , Cavaglieri, Clá (Faculty of Physical Education, University of Campinas, UNICAMP, Campinas, Brazil ) , udia (Faculty of Physical Education, University of Campinas, UNICAMP, Campinas, Brazil ) , Gá (Faculty of Physical Education, University of Campinas, UNICAMP, Campinas, Brazil ) , spari, Arthur (Faculty of Physical Education, University of Campinas, UNICAMP, Campinas, Brazil ) , Brunelli, Diego (School of Physical Education and Sport, University of São Paulo, USP, São Paulo, Brazil ) , de Souza, Giovana (Department of Neurology, University of Campinas, UNICAMP, Campinas, Brazil ) , Ugrinowitsch, Carlos (Faculty of Physical Education, University of Campinas, UNICAMP, Campinas, Brazil) , Min Li, Li , Chacon-Mikahil, Mara
    International journal of sports medicine v.39 no.1 ,pp. 29 - 36 , 2018 , 0172-4622 ,

    초록

    Abstract The aging process is associated with several changes in the elderly such as the decrease in cardiorespiratory fitness, strength and muscle mass, in addition to chronic low-grade inflammation. Concurrent training with blood flow restriction can be an interesting alternative to improve functional capacity with low mechanical stress in the elderly. The purpose of this study was to compare the inflammatory effects in older individuals submitted to two different protocols of concurrent training. Twenty-two healthy older adults (63.7±3.8 years; 69.8±8.9 kg; 1.6±0.1 m) performed 12 weeks of concurrent training (CT) or concurrent training with blood flow restriction (CTBFR) and the effects on inflammatory markers were analyzed. We found inflammatory behavior for the CTBFR group with a significant difference in serum concentration of C-reactive protein between pre- and post-moment (0.96±0.37 to 1.71±1.45, p=0.049), with no difference between groups, and a time effect in interleukin-6 (pre=0.86±0.43; post=1.02±0.46, p=0.016). We conclude that the CTBFR showed a pro-inflammatory profile after the period of intervention whereas the CT showed the opposite.

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    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

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  6. [해외논문]   MRI Cartilage Assessment of the Subtalar and Midtarsal Joints During a Transcontinental Ultramarathon – New Insights into Human Locomotion   SCI SCIE

    Schü (Universitatsklinikum Ulm, Klinik für Diagnostische und Interventionelle Radiologie, Ulm, Germany ) , tz, Uwe (Universitatsklinikum Ulm, Klinik für Diagnostische und Interventionelle Radiologie, Ulm, Germany ) , Billich, Christian (Universitatsklinikum Ulm, Klinik für Diagnostische und Interventionelle Radiologie, Ulm, Germany ) , Schoss, Daniel (Universitatsklinikum Ulm, Klinik für Diagnostische und Interventionelle Radiologie, Ulm, Germany ) , Beer, Meinrad (University of Minnesota, Department of Radiology (CMRR), Minneapolis, United States) , Ellermann, Jutta
    International journal of sports medicine v.39 no.1 ,pp. 37 - 49 , 2018 , 0172-4622 ,

    초록

    Abstract MR measurements can be accurately performed during 4486 km of running, opening a window into in vivo assessment of hindfoot articular cartilage under extreme ultra-endurance loading. This observational cross-sectional study included 22 randomized participants of TransEurope FootRace between Italy and the North Cape, which was accompanied by a trailer-mounted 1.5T MRI scanner over 9 weeks. Four follow up MR examinations of subtalar and midtarsal joints were performed. Statistics of cartilage T2* and thickness were obtained. Nearly all observed joints showed an initial significant mean T2* increase of 20.9% and 26.3% for the left and right side, followed by a relative decrease of 28.5% and 16.0% during the second half, respectively. It could be demonstrated that mobile MRI field studies allow in vivo functional tissue observations under extreme loading. Elevated T2* values recovered during the second half of the ultramarathon supported the evidence that this response is a physiological adaptive mechanism of chondrocyte function via upregulation of de novo synthesis of proteoglycans and collagen. These changes occurred in a distinct asymmetric pattern leaving a “biochemical signature” of articular cartilage that allows in vivo insight into joint loading. In conclusion, the normal articular cartilage of the hindfoot is resilient and adaptive, leaving extreme endurance activities up to limitless human ambition.

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    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

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  7. [해외논문]   Effects of Drop-height and Surface Instability on Jump Performance and Knee Kinematics   SCI SCIE

    Lesinski, Melanie (University of Potsdam, Division of Training and Movement Science, Potsdam, Germany (1) ) , Prieske, Olaf (University of Potsdam, Division of Training and Movement Science, Potsdam, Germany (1) ) , Beurskens, Rainer (Universität Heidelberg, Geriatric Center at the University of Heidelberg, Heidelberg, Germany ) , Behm, David (Memorial University of Newfoundland, School of Human Kinetics and Recreation, Saint John's, Newfoundland and Labrador, Canada ) , Granacher, Urs (University of Potsdam, Division of Training and Movement Science, Potsdam, Germany (1))
    International journal of sports medicine v.39 no.1 ,pp. 50 - 57 , 2018 , 0172-4622 ,

    초록

    Abstract The purpose of this study was to examine the combined effects of drop-height and surface condition on drop jump (DJ) performance and knee joint kinematics. DJ performance, sagittal and frontal plane knee joint kinematics were measured in jump experienced young male and female adults during DJs on stable, unstable and highly unstable surfaces using different drop-heights (20, 40, 60 cm). Findings revealed impaired DJ performance (Δ5–16%; p 40 cm) together with highly unstable surfaces should be used cautiously during plyometrics because this may increase the risk of injury due to higher knee valgus stress.

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    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

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  8. [해외논문]   Factors Predicting Lower Leg Chronic Exertional Compartment Syndrome in a Large Population   SCI SCIE

    de Bruijn, Johan (Máxima Medical Center, Surgery, Veldhoven, the Netherlands ) , van Zantvoort, Aniek (Máxima Medical Center, Surgery, Veldhoven, the Netherlands ) , van Klaveren, David (Erasmus MC, Public health, Rotterdam, the Netherlands ) , Winkes, Michiel (Máxima Medical Center, Surgery, Veldhoven, the Netherlands ) , van der Cruijsen-Raaijmakers, Marike (Máxima Medical Center, Sports Medicine, Veldhoven, the Netherlands ) , Hoogeveen, Adwin (Máxima Medical Center, Sports Medicine, Veldhoven, the Netherlands ) , Teijink, Joep (Catharina Hospital, Surgery, Eindhoven, the Netherlands ) , Scheltinga, Marc (Máxima Medical Center, Surgery, Veldhoven, the Netherlands)
    International journal of sports medicine v.39 no.1 ,pp. 58 - 66 , 2018 , 0172-4622 ,

    초록

    Abstract Knowledge about lower leg chronic exertional compartment syndrome (CECS) is largely obtained from highly selected populations. Patient characteristics may therefore not be appropriate for the general population. Our purpose was to describe a heterogeneous population of individuals suspected of lower leg CECS and to identify predictors of CECS. Charts of individuals who were analyzed for exercise-induced lower leg pain in a referral center between 2001 and 2013 were retrospectively studied. Patients were included if history and physical examination were suggestive of CECS and if they had undergone a dynamic intracompartmental pressure measurement. Six hundred ninety-eight of 1411 individuals were diagnosed with CECS in one or more of three lower leg muscle compartments (anterior tibial, deep flexor, lateral). Prevalence of CECS peaked around the age of 20–25 years and decreased thereafter, although a plateau around 50 years was found. Age, gender, bilateral symptoms, previous lower leg pathology, sports (running and skating) and tender muscle compartments were identified as independent predictors of lower leg CECS. The proposed predictive model has moderate discriminative ability (AUC 0.66) and good calibration over the complete range of predicted probabilities. The predictive model, displayed as a nomogram, may aid in selecting individuals requiring an invasive dynamic intracompartmental muscle pressure measurement.

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  9. [해외논문]   Sprint Interval Training Decreases Circulating MicroRNAs Important for Muscle Development   SCI SCIE

    Denham, Joshua (School of Science and Technology, University of New England, Armidale, Australia ) , Gray, Adrian (School of Science and Technology, University of New England, Armidale, Australia ) , Scott-Hamilton, John (School of Health, University of New England, Armidale, Australia ) , Hagstrom, Amanda (School of Science and Technology, University of New England, Armidale, Australia)
    International journal of sports medicine v.39 no.1 ,pp. 67 - 72 , 2018 , 0172-4622 ,

    초록

    Abstract Small non-coding RNAs, such as microRNAs (miRNAs), have emerged as powerful post-transcriptional regulators of gene expression that play important roles in many developmental and biological processes. In this study, we assessed the abundance of circulating microRNAs important for skeletal muscle and heart adaptations to exercise (miR-1, miR-133a, miR-133b and miR-486), following acute exercise and short-term sprint interval training (SIT). Twenty-eight individuals completed four all-out efforts on a cycle ergometer, and donated blood before and 30 min after the cessation of exercise. A subset of 10 untrained men completed 4-6 efforts of SIT, three times a week for 6 weeks, and donated resting blood samples before and after the intervention. MiRNA TaqMan qPCR was performed and whilst no changes were observed after a single session of SIT (all p>0.05), the 6-wk SIT intervention significantly reduced the whole blood content of all four miRNAs (mean fold-changes: 0.37–0.48, all p

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    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

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  10. [해외논문]   Resting Autonomic Function in Active and Insufficiently Active People Living with HIV   SCI SCIE

    Quiles, Norberto (Queens College, Family, Nutrition and Exercise Science, Flushing, United States ) , Garber, Carol (Biobehavioral Sciences, Teachers College of Columbia University, New York, United States ) , Ciccolo, Joseph (Biobehavioral Sciences, Teachers College of Columbia University, New York, United States)
    International journal of sports medicine v.39 no.1 ,pp. 73 - 78 , 2018 , 0172-4622 ,

    초록

    Abstract Autonomic dysfunction appears to be prevalent in people living with HIV/AIDS (PLWHA). However, there are limited data on the resting autonomic responses to exercise in active and insufficiently active PLWHA. We aimed to determine whether active PLWHA have better autonomic responses compared with insufficiently active PLWHA. Active PLWHA receiving anti-retroviral therapy (n=13) and insufficiently active PLWHA (n=10) were recruited. A 10-min recording of the supine electrocardiogram was taken. Resting heart rate variability was analyzed from this electrocardiogram. Parasympathetic modulation, as measured by high frequency power in normalized units, was greater in active PLWHA when compared to insufficiently active PLWHA (41.0±15.6 vs. 25.2±9.7; p

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    Fig. 1 이미지

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