Erythropoietin (rHuEPO) doping: effects of exercise on anaerobic metabolism in rats.

abstract：:One hundred and three women who were habitual distance runners and 74 age-matched physically inactive women provided three-day diet records. Intergroup differences in intakes of energy nutrients, micronutrients, cholesterol and fiber were evaluated via analysis of variance and, to assess qualitative differences, via a...

journal_title：International journal of sports medicine

authors： Pate RR,Sargent RG,Baldwin C,Burgess ML

更新日期：1990-12-01 00:00:00

abstract：:Electromyographic and force production characteristics of leg extensor muscles of elite weight lifters (n = 14) were examined during isometric, concentric, and various stretch-shortening cycle exercises. The data showed that utilization of stored elastic energy of leg extensor muscles was observable in countermovement...

journal_title：International journal of sports medicine

authors： Häkkinen K,Komi PV,Kauhanen H

更新日期：1986-06-01 00:00:00

abstract：:The purpose of the present study was to ascertain whether increase in step frequency at a given velocity during running reduces the lower extremity loading variables, which is associated with tibial stress fracture in runner. We hypothesized that the lower extremity loading variables at a given speed would be minimize...

journal_title：International journal of sports medicine

authors： Hobara H,Sato T,Sakaguchi M,Sato T,Nakazawa K

更新日期：2012-04-01 00:00:00

abstract：:Unlike in Europeans and Africans, the relationship between the human guanine nucleotide binding beta polypeptide 3 (GNB3) C825T gene polymorphism (rs5443) and blood pressures is inconsistent in Asians. The aim of the study was to investigate whether the GNB3 genotype demonstrates different associations with resting bl...

journal_title：International journal of sports medicine

authors： Lee JY,Kim SU,Cho JK,Woo SK,Kang HS

更新日期：2009-12-01 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：:Aortic elastic properties are important determinants of left ventricular function. The aim of this study was to determine left ventricular diastolic function and aortic distensibility in endurance athletes. Thirty male runners and thirty age-matched healthy male controls took part in the study. All subjects underwent ...

journal_title：International journal of sports medicine

authors： Kasikcioglu E,Kayserilioglu A,Oflaz H,Akhan H

更新日期：2005-04-01 00:00:00

abstract：:The aim of this study was to determine long term changes in shoulder and elbow joints of former elite javelin throwers. Twenty-one elite javelin throwers were examined at an average of 19 years after the end of their high performance phase. Mean age at examination was 50 years. Functional assessment of both shoulders ...

journal_title：International journal of sports medicine

authors： Schmitt H,Hansmann HJ,Brocai DR,Loew M

更新日期：2001-05-01 00:00:00

abstract：:The purpose of this study was to investigate the effects of a vibration training protocol and a conventional strength training program consisting of similar exercises on knee extensors and flexors strength and postural sway in middle-aged women. 38 women were randomly assigned into a Vibration Group (n=12, static and ...

journal_title：International journal of sports medicine

authors： Spiliopoulou SI,Amiridis IG,Tsigganos G,Economides D,Kellis E

更新日期：2010-09-01 00:00:00

abstract：:The aim of the present study was to monitor the nutritional status of 9 Greek national top-level swimmers during a competitive season of eight months. The swimmers were assessed through recording of food and supplement intake, blood sampling, and anthropometry at four landmarks: in the beginning of the season (baselin...

journal_title：International journal of sports medicine

authors： Kabasakalis A,Kalitsis K,Tsalis G,Mougios V

更新日期：2007-09-01 00:00:00

abstract：:Wheelchair users undergo changes in body composition as a result of disability. In this study the distribution of bone mineral, lean and fat mass was assessed in highly-trained female wheelchair athletes and a reference group by dual-energy X-ray absorptiometry (DXA). The transferability of anthropometric equations co...

journal_title：International journal of sports medicine

authors： Sutton L,Wallace J,Goosey-Tolfrey V,Scott M,Reilly T

更新日期：2009-04-01 00:00:00

abstract：:Consumption of a high-fat meal (HFM) causes postprandial lipemia and vascular dysfunction. Acute resistance exercise (RE) alone may also have a negative effect on vascular function. The purpose of this study was to measure arterial stiffness and postprandial lipemia after a HFM with or without acute RE. 9 recreational...

journal_title：International journal of sports medicine

authors： Augustine J,Tarzia B,Kasprowicz A,Heffernan KS

更新日期：2014-10-01 00:00:00

abstract：:Inhibition of adipose tissue lipolysis, leading to a reduced availability of non-esterified fatty acids for energy production in the active skeletal muscles, may be involved in the impairment of endurance exercise capacity after administration of a beta-adrenoceptor blocking agent. The effect of increasing the availab...

journal_title：International journal of sports medicine

authors： van Baak MA,Mooij JM,Wijnen JA

更新日期：1993-01-01 00:00:00

abstract：:Prevalence of Achilles tendinopathy increases with age leading to a weaker tendon with predisposition to rupture. Conclusive evidence of the influence of age and pathology on Achilles tendon (AT) properties remains limited, as previous studies are based on standardized isometric conditions. The study investigates the ...

journal_title：International journal of sports medicine

authors： Intziegianni K,Cassel M,Rauf S,White S,Rector M,Kaplick H,Wahmkow G,Kratzenstein S,Mayer F

更新日期：2016-11-01 00:00:00

abstract：:The aim of the current study was to determine the validity of an automated multiple-camera tracking system (Venatrack™), for the measurement of speed during soccer. 18 recreationally active males (mean age 27±8.6 years) performed a series of runs (total 391), representative of the movements made by soccer players, at ...

journal_title：International journal of sports medicine

authors： Redwood-Brown A,Cranton W,Sunderland C

更新日期：2012-08-01 00:00:00

abstract：:This study examines the effects of a 7 weeks sub-maximal training period of electrostimulation on the maximal isometric, concentric, eccentric voluntary torque and muscle contractile properties of the elbow flexor muscles of nine subjects. The daily program consisted of five series of six 6-s isometric actions (60 to ...

journal_title：International journal of sports medicine

authors： Colson S,Martin A,Van Hoecke J

更新日期：2000-05-01 00:00:00

abstract：:The optimal exercise modality for the improvement of health-related parameters and microvascular function in obese adolescents is not yet fully understood. Therefore, this study aimed to 1) compare the microvascular phenotype of obese and normal-weight adolescents; and 2) to determine the effects of a lifestyle interv...

journal_title：International journal of sports medicine

authors： Morrissey C,Montero D,Raverdy C,Masson D,Amiot MJ,Vinet A

更新日期：2018-06-01 00:00:00

abstract：:In a study of the effects of motion load on weight-bearing articular cartilage, rabbits were made to run on a treadmill for 1-, 5-, and 30-day periods. One group ran on a level surface, and another ran uphill. In vivo 35S-sulfate bound in glycosaminoglycans (GAG) after running was used as an indicator of the synthesis...

journal_title：International journal of sports medicine

authors： Videman T,Eronen I

更新日期：1984-12-01 00:00:00

abstract：:The purpose of this investigation was to determine the oxygen consumption, heart rate and plasma lactate responses at the fatigue threshold (FT) and estimate the length of time the FT could be maintained. Ten adult males (mean age +/- SD = 21.1 +/- 1.3 yrs) volunteered to perform a maximal treadmill test and FT test. ...

journal_title：International journal of sports medicine

authors： Housh TJ,Johnson GO,McDowell SL,Housh DJ,Pepper M

更新日期：1991-06-01 00:00:00

abstract：:Several studies have established that systemic sclerosis patients have a reduced exercise capacity when compared to healthy individuals. It is relevant to evaluate whether aerobic exercise in systemic sclerosis patients is a safe and effective intervention to improve aerobic capacity. Seven patients without pulmonary ...

journal_title：International journal of sports medicine

authors： Oliveira NC,dos Santos Sabbag LM,de Sá Pinto AL,Borges CL,Lima FR

更新日期：2009-10-01 00:00:00

abstract：:Leukocytes play a central role in asthma physiopathology. Aerobic training (AT) reduces leukocytes recruitment to the airways, but the effects of AT on some aspects of leukocytes activation in asthma are unknown. Therefore, the effects of 4 weeks of AT on airway inflammation, pulmonary and systemic Th2 cytokines level...

journal_title：International journal of sports medicine

authors： Vieira RP,Silva RA,Oliveira-Junior MC,Greiffo FR,Ligeiro-Oliveira AP,Martins MA,Carvalho CR

更新日期：2014-06-01 00:00:00

abstract：:The principal aim of our study was the determination of the effectiveness of a standardized ratio, allometric scaling model and a gamma function model in normalizing the isometric torque data of spinal cord patients and healthy subjects. For this purpose we studied a sample of 21 healthy males and 23 spinal cord injur...

journal_title：International journal of sports medicine

authors： Serra-Añó P,García-Massó X,Pellicer M,González LM,López-Pascual J,Giner-Pascual M,Toca-Herrera JL

更新日期：2012-06-01 00:00:00

abstract：:As of 2017, the international football federation introduced the change of direction ability test (CODA) and the 5×30 m sprint test for assistant referees (ARs) and continued the 6×40 m sprint test for field referees (FRs) as mandatory tests. The aim of this study was to evaluate the association between performance in...

journal_title：International journal of sports medicine

authors： Riiser A,Andersen V,Castagna C,Pettersen SA,Saeterbakken A,Froyd C,Ylvisaker E,Naess Kjosnes T,Fusche Moe V

更新日期：2018-07-01 00:00:00

abstract：:The purpose of this study was to analyse adaptations in propulsion technique and gross efficiency in novice able-bodied subjects during the initial phase of learning hand-rim wheelchair propulsion to music. 22 able bodied participants performed wheelchair propulsion (1.1 m·s(-1)) followed by a VO(2) peak test on a whe...

journal_title：International journal of sports medicine

authors： Goosey-Tolfrey VL,West M,Lenton JP,Tolfrey K

更新日期：2011-02-01 00:00:00

abstract：:It has been suggested that lactate concentrations may provide a guide to an optimal training intensity. However, lactate concentrations established during incremental exercise in the laboratory are not always indicative of what is occurring during constant-load exercise at the same intensity. Ideally, lactate concentr...

journal_title：International journal of sports medicine

authors： Bishop D

更新日期：2001-10-01 00:00:00

abstract：:The nutrition of 57 native Bolivian boys living at high altitude (HA) in La Paz (+/- 4000 m) and of 63 boys living at low altitude (LA) in St. Cruz (+/- 400 m) is described. The dietary information was obtained with a 24-h recall method, by interviewing the child and mother. The food items are listed in household meas...

journal_title：International journal of sports medicine

authors： Post GB,Lujan C,San Miquel JL,Kemper HC

更新日期：1994-04-01 00:00:00

abstract：:In a randomised, double-blind, placebo-controlled crossover design, 10 females taking monophasic oral contraceptives completed 90 min intermittent treadmill-running 45 min after ingestion of 6 mg∙kg(-1) body mass anhydrous caffeine or artificial sweetener (placebo). Water (3 mL∙kg(-1)) was provided every 15 min during...

journal_title：International journal of sports medicine

authors： Ali A,O'Donnell JM,Starck C,Rutherfurd-Markwick KJ

更新日期：2015-06-01 00:00:00

abstract：:The purpose of this study was to compare Anaerobic Work Capacity (AWC) measured on an isoinertial or an isokinetic bicycle ergometer. Twelve male participants completed two randomly ordered exercise testing sessions including a torque-velocity test followed by a 30-s all-out test on an isokinetic ergometer, or a force...

journal_title：International journal of sports medicine

authors： Wiedemann MS,Bosquet L

更新日期：2010-02-01 00:00:00

abstract：:Neuromuscular activity of the lower leg is dependent on the task performed, speed of movement and gender. Whether training volume influences neuromuscular activity is not known. The EMG of physically active persons differing in running mileage was analysed to investigate this. 55 volunteers were allocated to a low (LM...

journal_title：International journal of sports medicine

authors： Baur H,Hirschmüller A,Müller S,Cassel M,Mayer F

更新日期：2012-01-01 00:00:00

abstract：:Because metabolic heat production is proportional to the amount of work performed, the differences in core body temperature (Tcore) of humans exercising at similar absolute exercise intensities are due to differences in their efficiency of heat dissipation. The purpose of this paper is to delineate the effects of trai...

journal_title：International journal of sports medicine

authors： Armstrong LE,Maresh CM

更新日期：1998-06-01 00:00:00

abstract：:Altitude exposure leads to considerable weight loss. The different hypotheses that have been put forward to explain this phenomenon are discussed reviewing the literature: 1) a primary decrease of food intake due to loss of appetite caused, directly or indirectly, by hypoxia, changes of menus, comfort and habits, 2) a...

journal_title：International journal of sports medicine

authors： Kayser B

更新日期：1992-10-01 00:00:00