The effect of exercise at various temperatures on salivary levels of immunoglobulin A.

abstract：:The purpose of this study was to determine the reproducibility of time at or above 90 % (t (90 % )VO (2max)) and 95 % (t (95 % )VO (2max)) maximal oxygen uptake during an intermittent treadmill run to exhaustion. Twenty-two distance runners (age 38.0 +/- 7.1 yrs) performed two identical incremental and two identical i...

journal_title：International journal of sports medicine

authors： Midgley AW,McNaughton LR,Carroll S

更新日期：2007-01-01 00:00:00

abstract：:We aimed to describe the changes in footprint characteristics after 2 types of resistance training sessions performed at different intensities. 18 young subjects (8 men and 10 women) volunteered for the study. All of them performed 2 different resistance training sessions, one with light loads (LS) and the other with ...

journal_title：International journal of sports medicine

authors： Jimenez-Ormeño E,Aguado X,Delgado-Abellan L,Mecerreyes L,Alegre LM

更新日期：2011-08-01 00:00:00

abstract：:Circulatory leukocytes vary significantly in response to acute bouts of exercise. However, little is known concerning the adaptability of this response to chronic intense exercise training. We investigated the circulating leukocytic response to acute exercise in trained athletes during a 28-day intense exercise traini...

journal_title：International journal of sports medicine

authors： Ndon JA,Snyder AC,Foster C,Wehrenberg WB

更新日期：1992-02-01 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：:Ten young male adults (mean age 46.9 +/- 1.2 yrs) with 9.2 +/- 1.4 years of weight training experience and the ability to parallel squat at least 1.5 times their body mass were selected as subjects. The exercise session consisted of sets of 10 repetitions at 65% 1-RM of the parallel leg squat, with a cadence of one re...

journal_title：International journal of sports medicine

authors： Nieman DC,Henson DA,Sampson CS,Herring JL,Suttles J,Conley M,Stone MH,Butterworth DE,Davis JM

更新日期：1995-07-01 00:00:00

abstract：:The aim of the present study was to investigate the relationships between heart rate variability (HRV) changes and both training variations and performances in elite swimmers. A secondary purpose was to measure catecholamine urinary excretion in elite swimmers to validate the HRV indices of sympathetic activity during...

journal_title：International journal of sports medicine

authors： Atlaoui D,Pichot V,Lacoste L,Barale F,Lacour JR,Chatard JC

更新日期：2007-05-01 00:00:00

abstract：:The aim of this study was to compare heart rate variability (HRV) recovery after two iso-volume (5 km) exercises performed at different intensities. 14 subjects volunteered (25.17±5.08 years; 74.7±6.28 kg; 175±0.05 cm; 59.56±5.15 mL·kg(-1)·min(-1)) and after determination of peak oxygen uptake (VO2Peak) and the speed ...

journal_title：International journal of sports medicine

authors： Cabral-Santos C,Giacon TR,Campos EZ,Gerosa-Neto J,Rodrigues B,Vanderlei LC,Lira FS

更新日期：2016-06-01 00:00:00

abstract：:Rhinitis has been demonstrated to impose a significant disease burden upon the general population. We sought to determine the prevalence of rhinitis in athletes; to investigate its relationship with co-existing allergic symptoms; and to quantify the impact of rhinitis on quality of life in the athlete.3 subgroups were...

journal_title：International journal of sports medicine

authors： Walker A,Surda P,Rossiter M,Little S

更新日期：2017-01-01 00:00:00

abstract：:The main goal of the preventive intervention study in one community of the German CINDI (Countrywide Integrated Non-Communicable Diseases Intervention programme of the WHO) area was to improve cardiovascular health by reducing the risk factors smoking, hypertension, obesity, hypercholesterolaemia, and by changing sede...

journal_title：International journal of sports medicine

authors： Wiesemann A,Metz J,Nuessel E,Scheidt R,Scheuermann W

更新日期：1997-05-01 00:00:00

abstract：:The early vascular adaptation to indoor cycling, a popular activity at many fitness centres, is incompletely evaluated. Forty two healthy women (21-45 years) underwent measurements of arterial wall properties and geometry as well as a maximal bicycle exercise test before and after a 3 months period during which 21 of ...

journal_title：International journal of sports medicine

authors： Bjarnegård N,Hedman K,Länne T

更新日期：2019-04-01 00:00:00

abstract：:The acute effect of weightlifting on beta-endorphin and estradiol was studied in experienced female recreational weightlifters. Five eumenorrheic females completed two months of testing, each with a different sequence of testing conditions (SEQ1 and SEQ2). In SEQ1, a week of weight maintenance diet and prescribed exer...

journal_title：International journal of sports medicine

authors： Walberg-Rankin J,Franke WD,Gwazdauskas FC

更新日期：1992-10-01 00:00:00

abstract：:The first aim of this study was to verify the occurrence of the EMG threshold (EMG (Th)) in each of eight lower limb muscles (vastus lateralis [VL], vatus medialis [VM], rectus femoris [RF], semimembranosus [SM], biceps femoris [BF], gastrocnemius lateralis [GL] and medialis [GM], and tibialis anterior [TA]) during in...

journal_title：International journal of sports medicine

authors： Hug F,Laplaud D,Lucia A,Grelot L

更新日期：2006-06-01 00:00:00

abstract：:Cardiac damage has recently been implicated in the aetiology of "exercise induced cardiac dysfunction". The humoral markers of cardiac damage that have been utilised to date are not sufficiently cardio-specific to investigate this hypothesis. The aim of the present study was to examine cardiac function following prolo...

journal_title：International journal of sports medicine

authors： Shave RE,Dawson E,Whyte G,George K,Ball D,Gaze DC,Collinson PO

更新日期：2002-10-01 00:00:00

abstract：:During rowing, the respiratory musculature is confronted with dual demands: assisting the propulsive force generation and as the effector for ventilatory control. We determined the pulmomechanical and breathing pattern features of rowing-induced hyperpnea in five national class rowers (18 years old). Each subject perf...

journal_title：International journal of sports medicine

authors： Steinacker JM,Both M,Whipp BJ

更新日期：1993-09-01 00:00:00

abstract：:The purpose of this study was to examine electromyographic changes of the agonist and antagonist muscles during fatigue. Nine healthy, untrained subjects exerted a maximum voluntary heel lifting contraction with their dominant limb. The EMG activity over the soleus and the tibialis anterior muscles was recorded during...

journal_title：International journal of sports medicine

authors： Patikas D,Michailidis C,Bassa H,Kotzamanidis C,Tokmakidis S,Alexiou S,Koceja DM

更新日期：2002-05-01 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：: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：:Understanding the etiology of factors influencing bone mineral density (BMD) in Hispanic women for the prevention of osteoporosis was the aim of this investigation. Whole body BMD (WBBMD) of 39 Hispanic, premenopausal women aged 22 - 51 years was measured using dual-energy X-ray absorptiometry (DXA). Maximal aerobic c...

journal_title：International journal of sports medicine

authors： Afghani A,Abbott AV,Wiswell RA,Jaque SV,Gleckner C,Schroeder ET,Johnson CA

更新日期：2004-07-01 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：:This study investigated whether 4 weeks of daily supplementation with 500 or 1000 mg of Vitamin C and 500 or 1000 IU of Vitamin E could modify biochemical and ultrastructural indices of muscle damage following a 21 km run. Fifteen experienced male distance runners were divided into two groups (vitamin or placebo) and ...

journal_title：International journal of sports medicine

authors： Dawson B,Henry GJ,Goodman C,Gillam I,Beilby JR,Ching S,Fabian V,Dasig D,Morling P,Kakulus BA

更新日期：2002-01-01 00:00:00

abstract：:This study examined the effect of exercise-induced dehydration by ~4% body mass loss on 5-km cycling time trial (TT) performance and neuromuscular drive, independent of hyperthermia. 7 active males were dehydrated on 2 occasions, separated by 7 d. Participants remained dehydrated (DEH, -3.8±0.5%) or were rehydrated (R...

journal_title：International journal of sports medicine

authors： Stewart CJ,Whyte DG,Cannon J,Wickham J,Marino FE

更新日期：2014-08-01 00:00:00

abstract：:Blood pressure (BP) assessment during resistance exercise can be useful to avoid high BP, reducing cardiovascular risk, especially in hypertensive individuals. However, non-invasive accurate technique for this purpose is not available. The aim of this study was to compare finger photoplethysmographic (FPP) and intra-a...

journal_title：International journal of sports medicine

authors： Gomides RS,Dias RM,Souza DR,Costa LA,Ortega KC,Mion D Jr,Tinucci T,de Moraes Forjaz CL

更新日期：2010-08-01 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：:Single outcomes of standard isokinetic dynamometry tests do not discern between various muscle mechanical capacities. In this study, we aimed to (1) evaluate the shape and strength of the force-velocity relationship of knee extensors, as observed in isokinetic tests conducted at a wide range of angular velocities, and...

journal_title：International journal of sports medicine

authors： Grbic V,Djuric S,Knezevic OM,Mirkov DM,Nedeljkovic A,Jaric S

更新日期：2017-09-01 00:00:00

abstract：:The present study was designed to investigate the neuronal control and biomechanical effects of stumbling reactions. To induce these perturbations, a specially prepared treadmill was used which allowed rapid and powerful changes of treadmill speed. EMG recordings of leg muscles were related to cinematic movement patte...

journal_title：International journal of sports medicine

authors： Gollhofer A,Schmidtbleicher D,Quintern J,Dietz V

更新日期：1986-12-01 00:00:00

abstract：:The purpose of this study was to evaluate the effect of using different mathematical models to describe the relationship between treadmill running speed and time to exhaustion. All models generated a value for an aerobic parameter (critical speed; S (critical)). 35 university students performed 5-7 constant-speed 0%-s...

journal_title：International journal of sports medicine

authors： Hill DW,Vingren JL,Nakamura FY,Kokobun E

更新日期：2011-07-01 00:00:00

abstract：:We compared 35 prepubertal girls, 9 artistic gymnasts and 13 rhythmic gymnasts with 13 nonphysically active controls to study the effect of gymnastics on bone and muscle mass. Lean mass, bone mineral content and areal density were measured by dual energy X-ray absorptiometry, and physical fitness was also assessed. Th...

journal_title：International journal of sports medicine

authors： Vicente-Rodriguez G,Dorado C,Ara I,Perez-Gomez J,Olmedillas H,Delgado-Guerra S,Calbet JA

更新日期：2007-05-01 00:00:00

abstract：:Brain 5-HT neurotransmission has been described to be down-regulated in depressed people, and also suspected to be changed in overtraining state, the consequence of long-term physical overloading and stress in athletes. We studied brain serotonin (5-HT) transporter binding i.e., 5-HT reuptake with the specific radioli...

journal_title：International journal of sports medicine

authors： Uusitalo AL,Vanninen E,Valkonen-Korhonen M,Kuikka JT

更新日期：2006-09-01 00:00:00

abstract：:Sports influence the hypothalamus-pituitary-gonadal axis (HPG). The purpose of this study was to analyze the effects of physical stress on qualitative male LH secretion. We evaluated the HPG axis at rest and the LH response to a treadmill exercise (90 % of Vdot;O 2 max) in eight trained (running 50 to 70 km/week) and ...

journal_title：International journal of sports medicine

authors： Di Luigi L,Guidetti L,Baldari C,Fabbri A,Moretti C,Romanelli F

更新日期：2002-07-01 00:00:00

abstract：:Although analysis of lactate concentrations with a Yellow Springs Instruments (YSI) automated analyzer has become very popular in Sports Medicine, the accuracy and reliability of this technique has not been carefully studied. Additionally, the influence of a common lysing agent Triton X-100 (TX) on blood lactate measu...

journal_title：International journal of sports medicine

authors： Bishop PA,Smith JF,Kime JC,Mayo JM,Tin YH

更新日期：1992-01-01 00:00:00