Pulmonary function in children after a single scuba dive.

abstract：:The purpose of this study was to examine whether lower body positive pressure (LBPP) could improve maximal performance in paraplegic subjects (P). LBPP may diminish venous blood pooling (VBP) below the lesion and, therefore, support the redistribution of blood during exercise. Twelve male P subjects with complete spin...

journal_title：International journal of sports medicine

authors： Hopman MT,Kamerbeek IC,Pistorius M,Binkhorst RA

更新日期：1993-10-01 00:00:00

abstract：:Participation in aerobic dance is associated with a number of lower extremity injuries, and abnormal joint loading seems to be a factor in these. However, information on joint loading is limited. The purpose of this study was to investigate the kinetics of the lower extremity in step aerobic dance and to compare the d...

journal_title：International journal of sports medicine

authors： Wu HW,Hsieh HM,Chang YW,Wang LH

更新日期：2012-11-01 00:00:00

abstract：:The O2 equivalent of lactic acid accumulation in blood was estimated from data on ten subjects acclimatized to altitudes up to 6500 m in the course of a Mt. Everest expedition. The calculated value of the O2 equivalent of La by standard least squares regression was 2.07 +/- 0.4 l O2 for a rise of blood lactic acid con...

journal_title：International journal of sports medicine

authors： Cerretelli P,Binzoni T

更新日期：1990-02-01 00:00:00

abstract：:The present paper reviews evidence for the role of specific amino acids in the etiology of fatigue and the overtraining syndrome in athletes. An increase in the plasma concentration ratio of free tryptophan: branched-chain amino acids may mediate an increase in 5-HT synthesis in the brain and thus induce fatigue durin...

journal_title：International journal of sports medicine

authors： Parry-Billings M,Blomstrand E,McAndrew N,Newsholme EA

更新日期：1990-05-01 00:00:00

abstract：:The aim of this study was to evaluate the effect of swimming exercise, without overloading, on the biomechanical parameters of the calcaneal tendon of rats. 27 male Wistar rats (70 days) were distributed randomly into 2 groups, Control Group (CG; n=15) with restricted movements inside the cage and Swimming Group (SG; ...

journal_title：International journal of sports medicine

authors： Bezerra MA,Santos de Lira KD,Coutinho MP,de Mesquita GN,Novaes KA,da Silva RT,de Brito Nascimento AK,Inácio Teixeira MF,Moraes SR

更新日期：2013-12-01 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：:Twenty-six male runners aged 14-16 years not yet specifically trained for sprint or middle-distance running performed a field test with distances of 25 m, 75 m, and 1000 m. Before the field test they were designated as sprinters (n = 19) and middle-distance runners (n = 7) according to their self-assessment and the es...

journal_title：International journal of sports medicine

authors： Hageloch W,Schneider S,Weicker H

更新日期：1990-05-01 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：: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：:Forty-six male wheelchair basketball players performed a set of field tests to evaluate aerobic capacity (25 m shuttle run), anaerobic capacity (30s sprint), and six specific wheelchair basketball skills. Overall test-retest reliability (n = 20) ranged from r = 0.65 to r = 0.97. To study the validity (criterion relate...

journal_title：International journal of sports medicine

authors： Vanlandewijck YC,Daly DJ,Theisen DM

更新日期：1999-11-01 00:00:00

abstract：:The hypothalamic-pituitary-testicular (H-P-T) axis was evaluated in groups of endurance-trained (TRG) and untrained (UNT) males. Each group was subjected to: 1) a 4-h resting hormonal profile [testosterone (T), free-testosterone (FT), estradiol (E2), luteinizing hormone (LH), prolactin (PRL), and cortisol (C)], 2) a d...

journal_title：International journal of sports medicine

authors： Hackney AC,Sinning WE,Bruot BC

更新日期：1990-08-01 00:00:00

abstract：:The purpose of this investigation was to determine the accuracy of the critical velocity (CV) test for predicting time to exhaustion (time limit = TL) during treadmill running. Ten adult males (mean +/- SD of age = 23 +/- 2 years) volunteered to perform a maximal treadmill test, a CV test, and five exhaustive treadmil...

journal_title：International journal of sports medicine

authors： Pepper ML,Housh TJ,Johnson GO

更新日期：1992-02-01 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：:This study compared acute responses of systolic and diastolic blood pressure (SBP/DBP), cardiac output (Q), heart rate (HR), stroke volume (SV), total peripheral resistance (TPR) and rate of perceived exertion (RPE) during resistance exercise performed continuously and discontinuously. Hemodynamic responses and RPE we...

journal_title：International journal of sports medicine

authors： Massaferri R,Matos-Santos L,Farinatti P,Monteiro WD

更新日期：2015-11-01 00:00:00

abstract：:The purpose of the present study was to test the hypothesis that large increases in blood lactate concentration ([La] (b)) and/or body temperature may occur during an endurance training on a rowing ergometer and disrupt training. The influence of an increase in air convection on the capacity to perform a prolonged exe...

journal_title：International journal of sports medicine

authors： Maciejewski H,Messonnier L,Moyen B,Bourdin M

更新日期：2007-11-01 00:00:00

abstract：:Aerobic performance is negatively impacted by tropical climate due to impairment of thermoregulatory mechanisms. We tested the hypothesis that a torso application of a 4% menthol solution would have the same effect on a best performance 10-km run as an external use of cold water. Thirteen trained male athletes complet...

journal_title：International journal of sports medicine

authors： Hermand E,Collado A,Hue O

更新日期：2020-03-01 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：:Leptin, the product of the ob-gene, is specifically released by adipocytes. In addition to its metabolic function it seems to affect the feedback-mechanisms of the hypothalamic-pituitary-gonadal-axis. We studied 13 female juvenile elite gymnasts with anorexia athletica (AA) and 9 female patients with anorexia nervosa ...

journal_title：International journal of sports medicine

authors： Matejek N,Weimann E,Witzel C,Mölenkamp G,Schwidergall S,Böhles H

更新日期：1999-10-01 00:00:00

abstract：:Physical exercise is associated with increases of serum and salivary levels of cortisol. The concomitant increase in serum lactate has been implicated as one of the mechanisms responsible for adrenocortical activation. We evaluated the responses of serum lactate and serum and salivary cortisol to an acute bout of high...

journal_title：International journal of sports medicine

authors： Paccotti P,Minetto M,Terzolo M,Ventura M,Ganzit GP,Borrione P,Termine A,Angeli A

更新日期：2005-11-01 00:00:00

abstract：:This randomized, double-blind, placebo-controlled study examined the influence of 6% carbohydrate ingestion on hormonal and lymphocyte proliferative responses (5 total samples over 9 hours) to 2.5 h of high-intensity running by 30 experienced marathon runners. The T-cell response differed between groups, with the plac...

journal_title：International journal of sports medicine

authors： Henson DA,Nieman DC,Parker JC,Rainwater MK,Butterworth DE,Warren BJ,Utter A,Davis JM,Fagoaga OR,Nehlsen-Cannarella SL

更新日期：1998-11-01 00:00:00

abstract：:Five male endurance-trained runners completed an interval running session of 15 x 1-min intervals at 95% VO2 max. Venous blood samples were collected pre-exercise and then immediately, 30- and 60-minutes post-exercise. The response of cultures of total lymphocytes to mitogen (phytohaemagglutinin) were significantly re...

journal_title：International journal of sports medicine

authors： Hinton JR,Rowbottom DG,Keast D,Morton AR

更新日期：1997-02-01 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：:The study was performed on healthy volunteers subjected to submaximal physical exercise (75% VO2max). Activities of catalase (CT) (EC 1.11.1.6), glutathione peroxidase (GPO) (EC 1.11.1.9), superoxide dismutase (ZnCu-SOD) (EC 1.15.1.1) and malonyldialdehyde (MDA) concentration in blood platelets before and after physic...

journal_title：International journal of sports medicine

authors： Buczynski A,Kedziora J,Tkaczewski W,Wachowicz B

更新日期：1991-02-01 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：: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：:The present study aimed to evaluate the applicability of using a single slice cross-sectional area (CSA) of the skeletal muscle for estimating segmental skeletal muscle volume (SMV). By using MRI, the SMV of each of the upper arm, lower arm, upper leg, lower leg, and trunk was determined in 29 males. First, step-wise ...

journal_title：International journal of sports medicine

authors： Tanaka NI,Kanehisa H

更新日期：2014-06-01 00:00:00

abstract：:The diving response elicited by breath-holding (BH) and immersion mainly consists of bradycardia, decreased cardiac output, and peripheral vasoconstriction. These responses reduce oxygen consumption and thereby prolong the duration of the dive. They may also lead to cardiac arrhythmias or hypoxia, however, which in tu...

journal_title：International journal of sports medicine

authors： Lemaître F,Bernier F,Petit I,Renard N,Gardette B,Joulia F

更新日期：2005-07-01 00:00:00

abstract：:Caffeine enhances endurance performance; however, its effect on accumulated lactate remains unclear. Conversely, taurine, which also enhances endurance performance, decreases accumulated lactate. In this study, the effect of combination of caffeine and taurine on endurance performance was assessed. Mice ran on a tread...

journal_title：International journal of sports medicine

authors： Imagawa TF,Hirano I,Utsuki K,Horie M,Naka A,Matsumoto K,Imagawa S

更新日期：2009-07-01 00:00:00

abstract：:This study investigated the relationship between sports participation/physical activity during youth (13 - 18 years of age) and adulthood (30 - 40 years of age), and cardiovascular risk factors (body fat and fat distribution, blood pressure, lipoprotein levels and cardiorespiratory fitness) at 40 years of age. Subject...

journal_title：International journal of sports medicine

authors： Lefevre J,Philippaerts R,Delvaux K,Thomis M,Claessens AL,Lysens R,Renson R,Vanden Eynde B,Vanreusel B,Beunen G

更新日期：2002-05-01 00:00:00

abstract：:We investigated the protective effect of Erythropoietin (EPO) analogue rHuEPO on renal injury induced by acute exhaustive exercise in the rat. Rats were randomly allocated to one of 3 groups: normal control (C), exhaustive exercise test (ET) and EPO pre-treatment (rHuEPO 2 000 U/kg) plus ET (EPO+ET). Compared with con...

journal_title：International journal of sports medicine

authors： Lin X,Qu S,Hu M,Jiang C

更新日期：2010-12-01 00:00:00