Aortic distensibility and left ventricular diastolic functions in endurance athletes.

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：:Recompression during decompression has been suggested to possibly reduce the risk of decompression sickness (DCS). The main objective of the current study was to investigate the effects of FLIRT (First Line Intermittent Recompression Technique) on bubble detection in man. 29 divers underwent 2 simulated dives in a dry...

journal_title：International journal of sports medicine

authors： Winkler BE,Koch A,Schoeppenthau H,Ludwig T,Tetzlaff K,Hartig F,Kaehler W,Koehler A,Kanstinger A,Ciscato W,Muth CM

更新日期：2012-11-01 00:00:00

abstract：:500 and 69 male former elite athletes and 319 male controls completed a health questionnaire in 1985 and in 1995. Register data on the subjects were also collected. Subjects were aged 65 years or less and had no history of hypertension in 1985, and they had been healthy at the age of 20 years. The athletes were groupe...

journal_title：International journal of sports medicine

authors： Hernelahti M,Kujala UM,Kaprio J,Sarna S

更新日期：2002-04-01 00:00:00

abstract：:There are ethical objections to inducing cumulative muscle damage and associated decrements of performance deliberately in a healthy athlete. Available data on acute and chronic over-exertion thus include the changes of immune response observed following a single bout of exhausting exercise, sequential observations ma...

journal_title：International journal of sports medicine

authors： Shephard RJ,Shek PN

更新日期：1998-04-01 00:00:00

abstract：:The purpose of this study is to investigate whether a periosteum patch could enhance polyethylene terephthalate (PET) artificial ligament graft osseointegration in a bone tunnel. 12 female goats underwent ACL reconstruction with a PET artificial ligament graft in the right knees. Right knees in 6 goats were reconstruc...

journal_title：International journal of sports medicine

authors： Dai Z,Bao W,Li S,Li H,Jiang J,Chen S

更新日期：2016-06-01 00:00:00

abstract：:Biomechanical parameters are often analyzed independently, although running gait is a dynamic system wherein changes in one parameter are likely to affect another. Accordingly, the Volodalen® method provides a model for classifying running patterns into 2 categories, aerial and terrestrial, using a global subjective r...

journal_title：International journal of sports medicine

authors： Gindre C,Lussiana T,Hebert-Losier K,Mourot L

更新日期：2016-01-01 00:00:00

abstract：:Over 30 years ago hemodynamic studies on patients with high altitude pulmonary edema (HAPE) excluded the prior contention that the basic cause was left ventricular failure and correctly implicated the pulmonary circulation as the culprit. Physiological studies during the acute stage have revealed a normal pulmonary ar...

journal_title：International journal of sports medicine

authors： Hultgren HN

更新日期：1997-01-01 00:00:00

abstract：:Muscle fiber distribution and muscle enzyme activity (m. vastus lat.) were investigated in 10 elite sprint cyclists and 12 nonathletes. The ratio of fast to slow muscle fibers was 2:3 in cyclists and 3:2 in nonathletes. The mean diameter of each muscle fiber type was significantly higher in the athletes. The mean enzy...

journal_title：International journal of sports medicine

authors： Macková E,Melichna J,Havlícková L,Placheta Z,Blahová D,Semiginovský B

更新日期：1986-10-01 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：:Length and weight for age (1-12 months) charts are presented for the longitudinal Euro-Growth Study. "Weight-for-length", another widely used growth chart, presents a problem from a methodological point of view. Target length values (53-77 cm) are not observed in all infants, leading to truncated age distributions at ...

journal_title：International journal of sports medicine

authors： van't Hof MA,Haschke F

更新日期：1997-07-01 00:00:00

abstract：UNLABELLED:To define the respective roles of the periphery and central oxygen transport in the exercise limitation of heart transplanted patients (HTR), we compared 11 HTR (15.1 +/- 10.8 months after transplantation) to six age and weight matched normal controls (C), during an incremental exercise test (30 W/3 min step...

journal_title：International journal of sports medicine

authors： Mettauer B,Lampert E,Petitjean P,Bogui P,Epailly E,Schnedecker B,Geny B,Eisenmann B,Haberey P,Lonsdorfer J

更新日期：1996-05-01 00:00:00

abstract：UNLABELLED:Caffeine has many diverse physiological effects including central nervous system stimulation. Ventilatory threshold and a recently described heart rate variability threshold both have a relationship with autonomic control that could be altered by caffeine consumption. The purpose of this investigation was to...

journal_title：International journal of sports medicine

authors： Karapetian GK,Engels HJ,Gretebeck KA,Gretebeck RJ

更新日期：2012-07-01 00:00:00

abstract：:β1-adrenergic receptors (ADRB1) and Gαs proteins (GNAS) play important roles in the regulation of cardiac function. The present study sought to investigate whether ADRB1 Arg389Gly (rs1801253), GNAS -1211 G/A (rs6123837) and GNAS 2291 C/T (rs6026584) variants are associated with left ventricular function and exercise t...

journal_title：International journal of sports medicine

authors： Alves AJ,Goldhammer E,Ribeiro F,Eynon N,Ben-Zaken Cohen S,Duarte JA,Viana JL,Sagiv M,Oliveira J

更新日期：2013-03-01 00:00:00

abstract：:Meniscocapsular separations are often seen in knees with other intra-articular pathology. The consequences of these tears with regard to knee contact mechanics are currently unknown, and the biomechanical advantages of repair have not been measured. We hypothesize that tears to the meniscocapsular junction will cause ...

journal_title：International journal of sports medicine

authors： Dugas JR,Barrett AM,Beason DP,Plymale MF,Fleisig GS

更新日期：2015-06-01 00:00:00

abstract：:Rugby union is a sport involving high force and frequency impacts making the likelihood of injury a significant risk. The aim of this study was to measure and report the individual and group acute and cumulative physiological stress response during 3 professional rugby games through non-invasive sampling. 24 professio...

journal_title：International journal of sports medicine

authors： Lindsay A,Lewis JG,Scarrott C,Gill N,Gieseg SP,Draper N

更新日期：2015-06-01 00:00:00

abstract：:This study investigated the effects of marine phytoplankton supplementation on 1) perceived recovery and ground reaction forces in humans following a non-functional overreaching resistance-training program and 2) myogenic molecular markers associated with muscle cell recovery in a rat model. In the human trial, a 5-we...

journal_title：International journal of sports medicine

authors： Sharp MH,Sahin K,Stefan MW,Gheith RH,Reber DD,Ottinger CR,Orhan C,Tuzcu M,Sahin N,Lowery RP,Durkee S,Wilson JM

更新日期：2020-12-22 00:00:00

abstract：:Six successful members of the British Women's Lightweight Rowing Team were assessed before and after two-month (1990) and four-month (1991) periods of weight-reduction controlled by reduced caloric intake, while engaged in their normal physical training. Fat free mass (FFM) was calculated from body weight (BW) by util...

journal_title：International journal of sports medicine

authors： Koutedakis Y,Pacy PJ,Quevedo RM,Millward DJ,Hesp R,Boreham C,Sharp NC

更新日期：1994-11-01 00:00:00

abstract：:The present study investigated the difference in blood glucose concentration (Glu) response during an incremental swimming test before and after a ten-week training period and verified whether blood glucose threshold (GT) could be determined in competitive swimmers. 7 elite male university swimmers participated in thi...

journal_title：International journal of sports medicine

authors： Sengoku Y,Nakamura K,Takeda T,Nabekura Y,Tsubakimoto S

更新日期：2011-11-01 00:00:00

abstract：:Sedentary overweight or obese adult (age<60 years) women, allocated in type 2 diabetes mellitus (T2DM, n=13), dyslipidemia alone (DYS, n=12), dyslipidemia associated with hyperglycaemia (DYSHG, N=12), or healthy control (CON, n=10) groups, had their lipid, glucose, blood pressure, endurance performance, and anthropome...

journal_title：International journal of sports medicine

authors： Alvarez C,Ramirez-Campillo R,Martinez-Salazar C,Castillo A,Gallardo F,Ciolac EG

更新日期：2018-05-01 00:00:00

abstract：:To determine the adaptations of the autonomic nervous system in the control of heart rate and blood pressure induced by endurance training, 10 competitive cyclists aged 27 +/- 7 years and 10 age-, weight- and height-matched sedentary controls were subjected to Power Spectral Analysis of the RR interval and of blood pr...

journal_title：International journal of sports medicine

authors： Macor F,Fagard R,Amery A

更新日期：1996-04-01 00:00:00

abstract：:Hemoglobin oxygen binding properties and acid-base status were investigated in Colombian athletes (A) and controls (C) from Cali (C-1000 m) and Bogotá (B-2600 m). [Hb] and Hct values were not influenced by altitude, but Hct was lower in the blood of athletes (in Cali 2.6%, in Bogotá 1.4%). Both training and altitude p...

journal_title：International journal of sports medicine

authors： Schmidt W,Dahners HW,Correa R,Ramirez R,Rojas J,Böning D

更新日期：1990-02-01 00:00:00

abstract：:Aerobic exercise performance decreases upon ascent to altitude whereas anaerobic performance remains unchanged. Although the effects of 1 - 3 wk of altitude acclimatization on both aerobic and anaerobic exercise performance have been well studied, the effects of short-term altitude acclimatization (i.e., 45 h) on thes...

journal_title：International journal of sports medicine

authors： Burtscher M,Faulhaber M,Flatz M,Likar R,Nachbauer W

更新日期：2006-08-01 00:00:00

abstract：:The purpose of this study was to assess the reliability of a pre-loaded 1 500-m treadmill time trial, conducted in moderate normobaric hypoxia. 8 trained runners/triathletes (24±3 years, 73.2±8.1 kg, 182.5±6.5 cm, altitude specific V˙O2max: 52.9±5.5 ml·kg(-1)·min(-1)) completed 3 trials (the first as a familiarisation...

journal_title：International journal of sports medicine

authors： Shannon O,Barlow M,Duckworth L,Woods DR,Barker T,Grindrod A,Griffiths A,O'Hara JP

更新日期：2016-09-01 00:00:00

abstract：:The 1982 Aberdeen marathon race was held on a cool (12 degrees C) day on a flat, fast course. Fifty-nine of the 750 runners volunteered to take part in this study: rectal temperature of these competitors was measured within 5 min of completing the race. Venous blood samples were obtained before and immediately after t...

journal_title：International journal of sports medicine

authors： Maughan RJ

更新日期：1985-02-01 00:00:00

abstract：:The aim of this study was: i) to compute an energy balance of a slalom kayak competition by measuring the percentage contributions of the aerobic and anaerobic energy sources to total metabolic power (E(tot)); and ii) to compare these data with those obtained, on the same subjects, over a flat-water course covered at ...

journal_title：International journal of sports medicine

authors： Zamparo P,Tomadini S,Didonè F,Grazzina F,Rejc E,Capelli C

更新日期：2006-07-01 00:00:00

abstract：:The effect of recovery duration on performance and fatigue pattern during short exercises was studied including and excluding the flywheel inertia. Subjects (11 males and 11 females) performed a force-velocity test to determine their optimal force (f (opt)). On the following day, subjects performed randomly 4 series o...

journal_title：International journal of sports medicine

authors： Falgairette G,Billaut F,Giacomoni M,Ramdani S,Boyadjian A

更新日期：2004-04-01 00:00:00

abstract：:To determine the effects of aerobic fitness on pregnancy and the newborn, 20 primigravid subjects were studied throughout gestation and immediately postpartum. The subjects were classified as trained (T = 10) or untrained (UT = 10) based on the heart rate response to submaximal cycle ergometry testing done in each tri...

journal_title：International journal of sports medicine

authors： Wong SC,McKenzie DC

更新日期：1987-04-01 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：:The aim of the present study was to evaluate a heart transplanted patient who ran a 20-km race 9 months after surgery. Thirty-six healthy male subjects were studied during the same run and served as control group. Biochemical variables were determined in blood and urine samples collected before and after the race. Pos...

journal_title：International journal of sports medicine

authors： Niset G,Poortmans JR,Leclercq R,Brasseur M,Desmet JM,Degré S,Primo G

更新日期：1985-12-01 00:00:00

abstract：:The normal circadian rhythm in exercise performance may be altered by the habitual timing of training. We have investigated if morning time trial performance is affected by the time at which moderate exercise is performed on the previous day. Eight male cyclists undertook two separate exercise sessions of sub-maximal ...

journal_title：International journal of sports medicine

authors： Edwards BJ,Edwards W,Waterhouse J,Atkinson G,Reilly T

更新日期：2005-10-01 00:00:00