Abnormal serotonin reuptake in an overtrained, insomnic and depressed team athlete.

abstract：:Natural immunity, including that of the natural killer (NK) cells, is strongly influenced by physical exercise, but the physiological significance of the reported changes in NK cells after exercise training is as yet unclear. The exercise effect is likely mediated by interactions between the central nervous and endocr...

journal_title：International journal of sports medicine

authors： Jonsdottir IH

更新日期：2000-05-01 00:00:00

abstract：:The aim of this study was to examine the relationship between anthropometry, physical capacity, and sprint swimming performance in swimmers of both genders aged 12 - 14 years old. Anthropometric characteristics (body height and mass, total upper extremity, hand and foot lengths, chest circumference, certain body bread...

journal_title：International journal of sports medicine

authors： Geladas ND,Nassis GP,Pavlicevic S

更新日期：2005-03-01 00:00:00

abstract：:The aim of this study was to assess the hypothesis that water intake will accelerate cardiac vagal reactivation after a single session of upper-body resistance exercise. 13 healthy men (26.5±5.9 years) with previous experience in resistance training were enrolled. In visits 1 and 2, participants performed the one-repe...

journal_title：International journal of sports medicine

authors： Teixeira AL,Ramos PS,Marins JB,Ricardo DR

更新日期：2015-03-01 00:00:00

abstract：:The aim of the study was to compare the effects of two different models of altering the frequency of strength training sessions of females. The "regular training" (RT) consisted of one training unit every third day over the whole menstrual cycle. The "menstrual cycle triggered training" (MCTT) was characterized by wor...

journal_title：International journal of sports medicine

authors： Reis E,Frick U,Schmidtbleicher D

更新日期：1995-11-01 00:00:00

abstract：:Considering the large and repetitive loads associated with jumping in team sports, automatic detection and quantification of jumping may show promise in reducing injury risks. The aim of this study was to validate commercially available inertial-movement analysis software to detect and quantify jumping in team sports....

journal_title：International journal of sports medicine

authors： Spangler R,Rantalainen T,Gastin PB,Wundersitz D

更新日期：2018-10-01 00:00:00

abstract：:Pulse oximetry allows non-invasive monitoring of arterial oxygen saturation (SO2). To study the validity of pulse oximetry, comparative measurements were performed. During exhaustion limited exercise SO2-values measured by pulse oximetry (SO2puls), calculated SO2-values (algorithms of Kelman, Severinghaus, and Siggaar...

journal_title：International journal of sports medicine

authors： Breuer HW,Groeben H,Schöndeling H,Worth H

更新日期：1990-02-01 00:00:00

abstract：:Secretory IgA (S-IgA) levels in stimulated salvia were measured before and after a maximal treadmill test in a population of 175 young adults (84 men, 91 women). Habitual physical activity levels of this population were measured by a standardized interview, and scores were obtained for the amount of time and intensity...

journal_title：International journal of sports medicine

authors： Schouten WJ,Verschuur R,Kemper HC

更新日期：1988-08-01 00:00:00

abstract：:The aim of this study was to determine whether the amplitude of the V˙O (2) slow component was dependent from Critical Power (CP; the slope of the linear time - distance relationship) in individuals matched for V˙O (2) peak. 30 moderately-trained endurance athletes completed a maximal graded exercise test, 2 randomly ...

journal_title：International journal of sports medicine

authors： Bosquet L,Larrouturou M,Lheureux O,Carter H

更新日期：2011-09-01 00:00:00

abstract：:During the world junior speed skating championship 2002 all athletes (60 males, 56 females) were subjected to hematologic blood testing one day before the competition as requested by International Skating Union--ISU. This study aimed to obtain hematological reference values for junior athletes, whilst the influence of...

journal_title：International journal of sports medicine

authors： Mayr A,Kuipers H,Falk M,Santer P,Wierer B

更新日期：2006-04-01 00:00:00

abstract：:This study sought to (a) compare and contrast the effect of 2 commonly used cryotherapy treatments, 4 min of -110 °C whole body cryotherapy and 8 °C cold water immersion, on knee skin temperature and (b) establish whether either protocol was capable of achieving a skin temperature (<13 °C) believed to be required for ...

journal_title：International journal of sports medicine

authors： Costello JT,Donnelly AE,Karki A,Selfe J

更新日期：2014-01-01 00:00:00

abstract：:Evidence suggests that myofibers from endurance trained skeletal muscle display unique contractile parameters. However, the underlying mechanisms remain unclear. To further elucidate the influence of endurance training on myofiber contractile function, we examined factors that may impact myofilament interactions (i. e...

journal_title：International journal of sports medicine

authors： Reidy PT,Hinkley JM,Trappe TA,Trappe SW,Harber MP

更新日期：2014-06-01 00:00:00

abstract：:To examine torque variability in 2 antagonistic muscles 20 individuals performed maximal and submaximal (5, 10, 20, 50 and 75% of Maximal Voluntary Contraction, MVC) isometric wrist flexions and extensions (5 s) at 5 different angles (230, 210, 180, 150 and 130°). The EMG activity of Flexor Carpi Ulnaris (FCU) and Ext...

journal_title：International journal of sports medicine

authors： Salonikidis K,Amiridis IG,Oxyzoglou N,Giagazoglou P,Akrivopoulou G

更新日期：2011-10-01 00:00:00

abstract：:To examine the acute influence of pedaling cadence on arterial stiffness in young men, 15 healthy men (21.8±0.4 years) underwent 3 trials in self-control crossover design: non-cycling control (CON), cycling at 60 (RPM60) and 90 rounds per min (RPM90). Cycling lasted 30 min at intensity of 35% heart rate reserve. Arter...

journal_title：International journal of sports medicine

authors： Yin J,Wu H,Yu L,Zhang J,Zhu W

更新日期：2019-01-01 00:00:00

abstract：:Metabolic syndrome (MetS) is a cluster of cardiometabolic risk factors with high prevalence among adult populations and elevated costs for public health systems worldwide. Despite the lack of consensus regarding the syndrome definition and diagnosis criteria, it is characterized by the coexistence of risk factors such...

journal_title：International journal of sports medicine

authors： Bovolini A,Garcia J,Andrade MA,Duarte JA

更新日期：2020-10-19 00:00:00

abstract：:Changes in body components occur over a season, but their impact on performance is still unclear. We aimed to analyze the relationship between changes in leg strength and jump performance with body composition over a season in highly trained athletes. Measures from the beginning to the main competitive periods of a se...

journal_title：International journal of sports medicine

authors： Silva AM,Matias CN,Santos DA,Rocha PM,Minderico CS,Sardinha LB

更新日期：2014-12-01 00:00:00

abstract：:We studied 12 highly trained athletes, 6 male ice-hockey players and 6 cross-country skiers (2 females, 4 males). All of them participated in a maximal electrically braked bicycle ergometer test in a hypobaric chamber at the simulated altitude of 3000m (520 mmHg) and in normobaric conditions two days apart in random o...

journal_title：International journal of sports medicine

authors： Koistinen P,Takala T,Martikkala V,Leppäluoto J

更新日期：1995-02-01 00:00:00

abstract：:Vigorous and prolonged physical exercise and mechanical involvement of the perineal region might influence prostatic function and measurement of both total (PSA) and free prostate specific antigen (fPSA), decreasing the diagnostic efficiency of the laboratory screening for either benign or neoplastic prostate disorder...

journal_title：International journal of sports medicine

authors： Lippi G,Corgnati A,Salvagno G,Schena F,Franchini M,Guidi G

更新日期：2005-01-01 00:00:00

abstract：:The objective of our study was to evaluate the effect of taping on the dynamic postural stability during a jump landing protocol in subjects with chronic ankle instability (CAI). For this purpose, 28 subjects with CAI performed a sagittal and frontal plane landing task in a non-taped and taped condition. As main outco...

journal_title：International journal of sports medicine

authors： De Ridder R,Willems TM,Vanrenterghem J,Roosen P

更新日期：2015-04-01 00:00:00

abstract：:The purpose of the present study was to assess the effects of 2-mercaptoacetate (MA), an inhibitor of hepatic fatty acid oxidation, on the metabolic and pancreatic hormone response to a prolonged (3 h) swimming exercise. All rats were first adrenodemedullated and were either submitted for 3 weeks to a normal (5% fat) ...

journal_title：International journal of sports medicine

authors： Lavoie JM,Bolduc L,Hélie R,Bergeron R,Lafond S,Cardin S,Trabelsi F,Yamaguchi N

更新日期：1994-02-01 00:00:00

abstract：:Highly repetitive submaximal intermittent contractions of the forearm muscles during periods of 30-50 min partially explain why motorcycle races are so demanding for the neuromuscular system. This study investigated the contribution of central and peripheral mechanisms of fatigue on the exerted and contralateral exten...

journal_title：International journal of sports medicine

authors： Torrado P,Cabib C,Morales M,Valls-Sole J,Marina M

更新日期：2015-11-01 00:00:00

abstract：:To study the effects of long-term, home-based exercise on physical fitness and cardiovascular risk factors of middle-aged nonsmoking males, a controlled study was conducted in 61 sedentary Swiss men. Thirty-nine men were randomly allocated to jog 2 h/week for 4 months on an individually prescribed and heart-rate-contr...

journal_title：International journal of sports medicine

authors： Suter E,Marti B,Tschopp A,Wanner HU,Wenk C,Gutzwiller F

更新日期：1990-12-01 00:00:00

abstract：:T-lymphocytes were determined by rosette formation with sheep erythrocytes in the peripheral blood obtained from 30 healthy aged subjects who were practicing Taichiquan (88 style) exercise and 30 age-matched normal aged who served as a control group. At rest the total number of T-lymphocytes and the number of active T...

journal_title：International journal of sports medicine

authors： Sun XS,Xu Y,Xia YJ

更新日期：1989-06-01 00:00:00

abstract：:The purpose of the study was to investigate whether severe fatigue, possibly leading to overreaching, could be diagnosed at an early stage by a combination of parameters. Seven well-trained male subjects (age [mean +/- SD]: 25.3 +/- 4.7 yr; body mass: 76 +/- 6.6 kg; VO2max: 61.1 +/- 7 ml.kg(-1).min(-1)) increased thei...

journal_title：International journal of sports medicine

authors： Rietjens GJ,Kuipers H,Adam JJ,Saris WH,van Breda E,van Hamont D,Keizer HA

更新日期：2005-01-01 00:00:00

abstract：:Signs of overuse after intense muscular exertion are well described in adults, while little research has been conducted in children. The aim of the study was to investigate some indirect markers of muscle damage in 13 years old boys following two different protocols of one-leg stepping exercise to exhaustion. This ste...

journal_title：International journal of sports medicine

authors： Duarte JA,Magalhães JF,Monteiro L,Almeida-Dias A,Soares JM,Appell HJ

更新日期：1999-02-01 00:00:00

abstract：:The purpose of this study was to measure and compare the total energy expenditure of the four competitive swimming strokes. Twenty-six swimmers of international level were submitted to an incremental set of 200-m swims (5 swimmers at Breaststroke, 5 swimmers at Backstroke, 4 swimmers at Butterfly and 12 swimmers at Fr...

journal_title：International journal of sports medicine

authors： Barbosa TM,Fernandes R,Keskinen KL,Colaço P,Cardoso C,Silva J,Vilas-Boas JP

更新日期：2006-11-01 00:00:00

abstract：:The total number of leucocytes, T lymphocyte subsets, mitogen induced proliferation of lymphocytes, Il-2 generation, adherence capacity and chemiluminescence of granulocytes were measured and a leukergy test performed in fifteen young cyclists. The investigations were carried out at rest at the beginning of a training...

journal_title：International journal of sports medicine

authors： Baj Z,Kantorski J,Majewska E,Zeman K,Pokoca L,Fornalczyk E,Tchórzewski H,Sulowska Z,Lewicki R

更新日期：1994-08-01 00:00:00

abstract：:The aim of the study was to examine the associations between maximal and submaximal field tests with match physical activity and biological maturation in youth football players. Sixty-eight youth football players (U14, U15, U16, U17) performed maximal and submaximal field endurance tests. Biological maturity was estim...

journal_title：International journal of sports medicine

authors： Francini L,Rampinini E,Bosio A,Connolly D,Carlomagno D,Castagna C

更新日期：2019-09-01 00:00:00

abstract：:It has been recently suggested that high and sustained lactate levels may elicit increases in peripheral B-EN concentrations (16). We have observed elevated and sustained lactate concentrations in response to a low-volume resistive exercise protocol (14) that were similar to those from other exercise protocols that pr...

journal_title：International journal of sports medicine

authors： Kraemer RR,Acevedo EO,Dzewaltowski D,Kilgore JL,Kraemer GR,Castracane VD

更新日期：1996-01-01 00:00:00

abstract：:The aim of this study was to establish the presence of postural deficits in subjects with chronic ankle instability (CAI) and to assess the effect of an 8-week balance training program on dynamic postural control. A total of 43 subjects with CAI and 31 controls participated in this case-control study. Participants wit...

journal_title：International journal of sports medicine

authors： De Ridder R,Willems TM,Vanrenterghem J,Roosen P

更新日期：2015-06-01 00:00:00

abstract：:Prolonged altitude exposure usually leads to considerable weight loss of which a large part is from muscle tissue. This loss reduces maximum alactic anaerobic muscle power. It was hypothesized that most of the weight loss may simply be the result of malnutrition due to lack of palatable food in an uncomfortable enviro...

journal_title：International journal of sports medicine

authors： Kayser B,Narici M,Milesi S,Grassi B,Cerretelli P

更新日期：1993-07-01 00:00:00