Accumulated O2 deficit during intense exercise and muscle characteristics of elite athletes.

abstract：:The aim of this study was to test the validity and the reliability of the G-Cog which is a new BMX powermeter allowing for the measurements of the acceleration on X-Y-Z axis (250 Hz) at the BMX rear wheel. These measurements allow computing lateral, angular, linear acceleration, angular, linear velocity and the distan...

journal_title：International journal of sports medicine

authors： Chiementin X,Crequy S,Bertucci W

更新日期：2013-11-01 00:00:00

abstract：:Fitness, and specifically body composition of football referees requires attention in order to achieve the highest possible standards. The aim of the present study was to describe body composition of elite Spanish football referees over 11 years. Data from 2001 to 2012 pre-seasons were analyzed from a total of 470 ref...

journal_title：International journal of sports medicine

authors： Casajús JA,Gonzalez-Aguero A

更新日期：2015-06-01 00:00:00

abstract：:Male (n = 9) and female (n = 8) collegiate cross-country runners were studied during a training session to determine the amount of iron lost in the sweat. Sweat samples were collected from the arm using polyethylene bags. Total sweat loss was determined by weighing subjects before and after the runs. Average time of s...

journal_title：International journal of sports medicine

authors： Lamanca JJ,Haymes EM,Daly JA,Moffatt RJ,Waller MF

更新日期：1988-02-01 00:00:00

abstract：:The present study assessed the effectiveness of an RPE learning protocol for improving the validity of the Borg 6-20 RPE scale for self-regulating exercise intensity during Indoor Cycling (IC). 16 healthy adults performed 5 IC sessions. Heart rate (HR) was continuously monitored. In sessions 1 and 5, participants perc...

journal_title：International journal of sports medicine

authors： Soriano-Maldonado A,Romero L,Femia P,Roero C,Ruiz JR,Gutierrez A

更新日期：2014-05-01 00:00:00

abstract：:The aim of the present study was to identify anthropometric, physical, coordinative and ice-skating specific characteristics that discriminate young elite ice skaters from non-elite skaters and their non-skating peers. 32 skaters aged 9-12 years old (11 elites and 21 non-elites) voluntarily participated in the study. ...

journal_title：International journal of sports medicine

authors： Mostaert M,Deconinck F,Pion J,Lenoir M

更新日期：2016-06-01 00:00:00

abstract：:Duplicate haemoglobin mass (Hbmass) measurements are recommended before and after altitude training sojourns to identify individual adaptations in athletes with a high level of certainty. Duplicate measurements reduce typical error (TE) and disclose measurement outliers, but are usually made on separate days, which is...

journal_title：International journal of sports medicine

authors： Naef N,Steiner T,Wehrlin JP

更新日期：2015-05-01 00:00:00

abstract：:Serum zinc was determined using atomic absorption spectrophotometry in 160 training athletes (57 females) in the morning at rest. In 23.3% of the male and 43% of the female athletes, serum Zn was lower than the limit accepted for the normal range (75 microgram/dl or 11.5 mumol/l). The average serum Zn (96.7 +/- 12.6 m...

journal_title：International journal of sports medicine

authors： Haralambie G

更新日期：1981-08-01 00:00:00

abstract：:Earlier studies of endurance athletes have shown decreased levels of secretory IgA and an increased frequency of upper respiratory tract (URT) infections after periods of hard training. In this study, 14 world-class canoeists were studied during very hard physical training, after lower-intensity training combined with...

journal_title：International journal of sports medicine

authors： Lindberg K,Berglund B

更新日期：1996-04-01 00:00:00

abstract：:Based on the importance of exercise and crucial role of liver in metabolism, the aim of this study was to determine whether the expression of peroxisome proliferator-activated receptor (PPAR)-α, γ and adiponectin receptor 2 in OLETF rat liver were altered in conjunction with improved metabolism with exercise training....

journal_title：International journal of sports medicine

authors： Zhang S,Liu Y,Li Q,Dong X,Hu H,Hu R,Ye H,Wu Y,Hu R,Li Y

更新日期：2011-08-01 00:00:00

abstract：:To understand the influence of gender on oxygen consumption of respiratory muscles (VO(2)resp), 32 healthy subjects participated in the study (16 males, 16 females). They were divided into four groups: young males, young females, older males and older females. We used a closed circuit device which allowed a continuous...

journal_title：International journal of sports medicine

authors： Topin N,Mucci P,Hayot M,Prefaut C,Ramonatxo M

更新日期：2003-11-01 00:00:00

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：:During an overhead throw, the gluteal muscle group stabilizes the lumbopelvic-hip complex (LPHC), leading to efficient energy transfer from the lower to upper extremity. It has been shown that LPHC instability can lead to throwing pathomechanics. The single leg squat has become a common assessment for LPHC stability, ...

journal_title：International journal of sports medicine

authors： Washington J,Gilmer G,Oliver G

更新日期：2018-07-01 00:00:00

abstract：UNLABELLED:Often blood screening is repeatedly done in elite athletes although training and competition can affect its results and normal ranges for highly active individuals are widely unknown. This study was conducted to provide reference data in professional soccer players. 467 male soccer players of the 2 highest G...

journal_title：International journal of sports medicine

authors： Meyer T,Meister S

更新日期：2011-11-01 00:00:00

abstract：:Perceived exertion has been investigated during incremental exercise to exhaustion with athletes, according to the 6-20 scale proposed by Borg (RPE, 1970) and a new scale based on the estimation of exhaustion time (t(lim)) (Estimated Time Limit or ETL, from 1 to 20; ETL= 21 - 2 n, with n = log2t(lim)). ETL increased l...

journal_title：International journal of sports medicine

authors： Garcin M,Vandewalle H,Monod H

更新日期：1999-01-01 00:00:00

abstract：:In the present prospective longitudinal study 17 male endurance trained athletes (cyclists and triathletes; age 23.4+/-6.7 years, VO2max 61.2+/-7.5 ml x min(-1) x kg(-1); means+/-SD) were investigated both during a state of overtraining syndrome (OT: N=15), mainly induced by an increase of exercise intensity, as well ...

journal_title：International journal of sports medicine

authors： Urhausen A,Gabriel HH,Weiler B,Kindermann W

更新日期：1998-02-01 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：:The goal of this study was to examine the hypothesis that the difference in the 200-m sprint performance of amputee and able-bodied sprinters is due to a shorter step length rather than a lower step frequency. Men's elite-level 200-m races with a total of 16 able-bodied, 13 unilateral transtibial, 5 bilateral transtib...

journal_title：International journal of sports medicine

authors： Hobara H,Sano Y,Kobayashi Y,Heldoorn TA,Mochimaru M

更新日期：2016-02-01 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：:Fourteen male physical education students performed a single bout of running until exhaustion on the treadmill at 22 km/h and 7.5% slope. They received single oral doses of 100 mg bupranolol (nonselective beta-blockade), 100 mg metoprolol (beta-1-selective blockade), and placebo 60-90 min before running. Arterialized ...

journal_title：International journal of sports medicine

authors： Schnabel A,Kindermann W,Salas-Fraire O,Cassens J,Steinkraus V

更新日期：1983-11-01 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：:The aim of this study was to examine the effect of defensive pressure on movement behaviour during an under-18 basketball game. 20 international male players (age: M=16.05, SD=2.09 years old; weekly practice: M=10.9, SD=1.94 h; playing experience: M=7.1, SD=1.1 years) played two 10-min basketball quarters, using man-t...

journal_title：International journal of sports medicine

authors： Leite NM,Leser R,Gonçalves B,Calleja-Gonzalez J,Baca A,Sampaio J

更新日期：2014-08-01 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

abstract：:This study was designed to evaluate recovery of dynamic muscle function following muscle fatigue produced by isokinetic testing. Sixteen physically active males (age = 29.2) performed fatigue and recovery tests on an isokinetic dynamometer (KIN-COM 500H). The fatigue test involved concentric contractions of the quadri...

journal_title：International journal of sports medicine

authors： Schwendner KI,Mikesky AE,Wigglesworth JK,Burr DB

更新日期：1995-04-01 00:00:00

abstract：:This study assessed tolerance to fluid ingestion with repeated sessions of drinking while running. Runners (n = 7; age 22 +/- 2 yr; V O (2max) = 54.4 +/- 7.1 ml/kg/min) performed six 90-min runs (65 % V O (2max); separated by 7 - 11 days). During run 1, subjects drank a glucose-electrolyte solution AD LIBITUM for 1 mi...

journal_title：International journal of sports medicine

authors： Lambert GP,Lang J,Bull A,Eckerson J,Lanspa S,O'Brien J

更新日期：2008-11-01 00:00:00

abstract：:Excessive and prolonged exposure to impact acceleration during running is associated with increased injury rate. Acute use of compressive garments has been speculated to improve attenuation. However, it is unknown how longer interventions of compressive garments influence attenuation in running. 40 runners trained wit...

journal_title：International journal of sports medicine

authors： Lucas-Cuevas AG,Priego-Quesada JI,Aparicio I,Giménez JV,Llana-Belloch S,Pérez-Soriano P

更新日期：2015-10-01 00:00:00

abstract：:The circulation of blood during upright exercise involves a two-pump system, a central cardiac pump and a peripheral pump responsible for systemic venous return. Axiomatically, the function of the two pumps must be equal, and certain evidence suggests that the peripheral pump may "drive" the circulation during exercis...

journal_title：International journal of sports medicine

authors： Rowland TW

更新日期：2001-11-01 00:00:00

abstract：:This prospective experimental study aimed to compare effects of 3 different home-based postoperative respiratory muscle training protocols - inspiratory, expiratory and combined, in the patients' postoperative recovery, regarding safety and respiratory muscle function, pulmonary function, physical fitness, physical ac...

journal_title：International journal of sports medicine

authors： Kendall F,Silva G,Almeida J,Eusébio E,Pinho P,Oliveira J,Bastos PT

更新日期：2020-06-01 00:00:00

abstract：:The aim of the present study was to compare the peak vertical ground reaction force (V-GRF(peak)) and impulse of women performing water aerobic exercises at different intensities in aquatic and dry land environments. 15 young women performed 1 session in each environment consisting of 3 water aerobic exercises (statio...

journal_title：International journal of sports medicine

authors： Alberton CL,Tartaruga MP,Pinto SS,Cadore EL,Antunes AH,Finatto P,Kruel LF

更新日期：2013-10-01 00:00:00

abstract：:Cardiac magnetic resonance imaging was performed on 14 junior elite Olympic weight lifters and 14 controls (means +/- Se, age = 18.4 +/- 0.5 and 17.8 +/- 0.4 years, weight = 76.5 +/- 3.6 and 78.8 +/- 3.3 kg, % fat = 6.5% +/- 0.8% and 11.5% +/- 1.7%, respectively). Controls were individually matched to the lifters to w...

journal_title：International journal of sports medicine

authors： Fleck SJ,Henke C,Wilson W

更新日期：1989-10-01 00:00:00

abstract：:This study aimed to investigate the impact of a 16-week dance-based aerobic exercise program on lymphocyte function in healthy and type 2 diabetes mellitus (T2DM) women. We enrolled 23 women: 11 with T2DM and 12 non-diabetic controls. Initially, we performed anthropometry and body composition measurements, afterwards,...

journal_title：International journal of sports medicine

authors： Passos MEP,Borges L,Dos Santos-Oliveira LC,Alecrim-Zeza AL,Lobato TB,de Oliveira HH,Santos CMM,Diniz VLS,Iser-Bem PN,Manoel R,Murata GM,Hirabara SM,Curi R,Pithon-Curi TC,Hatanaka E,Gorjao R

更新日期：2020-12-15 00:00:00