Physiology and biochemistry: influence of exercise on phagocytosis.

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 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：:We examined the effects of acute exercise on reaction time to visual stimuli presented in the central portion and periphery of the visual field. Twelve participants performed reaction time tasks at rest and during cycling at 65 % peak oxygen uptake in two visual conditions. We used circular black-and-white checkerboar...

journal_title：International journal of sports medicine

authors： Ando S,Kokubu M,Kimura T,Moritani T,Araki M

更新日期：2008-12-01 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：:We examined the effects of 28 weeks of training on 24-hr urinary catecholamine excretion and mood (evaluated using the Recovery-Stress Questionnaire for Athletes RESTQ-Sport) among seven national young female tennis players. Data were collected after a 1-month rest (September, T (1)), 3 months after T1(T2) and 7 month...

journal_title：International journal of sports medicine

authors： Filaire E,Rouveix M,Duclos M

更新日期：2009-01-01 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：UNLABELLED:The present study investigated the specific atmospheric conditions expected in Athens during the summer of 2004 in relation to the performance of elite athletes. DESIGN:Atmospheric pollution and weather data for the period April 16th to September 30th covering the entire greater Athens area and collected fr...

journal_title：International journal of sports medicine

authors： Flouris AD

更新日期：2006-02-01 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 present study was designed to examine the effects of administration of a GABAergic agonist (Baclofen) on run-time to exhaustion in trained and untrained rats, and on some indicators of fatigue. Run-time to exhaustion on a treadmill set at a speed of 25 m.min-1 was significantly increased in both untrained (p < 0.0...

journal_title：International journal of sports medicine

authors： Abdelmalki A,Merino D,Bonneau D,Bigard AX,Guezennec CY

更新日期：1997-02-01 00:00:00

abstract：:The purpose of this study was to determine whether a post-exercise cryotherapy protocol could facilitate recovery of elbow flexor strength and reduce the severity of delayed onset muscle soreness following eccentric exercise. Eight resistance-trained males (23 +/- 3 yr) performed 64 eccentric elbow flexions with each ...

journal_title：International journal of sports medicine

authors： Paddon-Jones DJ,Quigley BM

更新日期：1997-11-01 00:00:00

abstract：:Mechanical efficiency of positive work (eta+) and elastic behavior of human skeletal muscles were investigated on a special sledge apparatus which allowed the use of the normal stretch-shortening cycle exercises. Twenty-five young men were investigated in a total of 92 exercise situations, in which the intensity of th...

journal_title：International journal of sports medicine

authors： Aura O,Komi PV

更新日期：1986-06-01 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：:The purpose of this study was to determine if an eight-week intrahospital supervised, conditioning program improves functional capacity and quality of life (QOL) in children (4 boys, 4 girls) (mean [SD] age: 10.9 [2.8] years [range: 8-16]) who have undergone bone marrow transplantation (BMT) for leukemia treatment wit...

journal_title：International journal of sports medicine

authors： San Juan AF,Chamorro-Viña C,Moral S,Fernández del Valle M,Madero L,Ramírez M,Pérez M,Lucia A

更新日期：2008-05-01 00:00:00

abstract：:Total body water (TBW) and water turnover rates (WTR) of six competitive male cyclists (CG) and six age-matched sedentary men (SG) were determined using deuterium oxide dilution and elimination. During the 7 day study, individuals in the CG cycled daily outside on average 50 (range 12-146) km at an average speed of 29...

journal_title：International journal of sports medicine

authors： Leiper JB,Pitsiladis Y,Maughan RJ

更新日期：2001-04-01 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：:This study aimed to describe injury/illness rates in ultratrail runners competing in a 65-km race to build a foundation for injury prevention and help race organizers to plan medical provision for these events. Prospectively transcribed medical records were analysed for 77 athletes at the end of the race. Number of in...

journal_title：International journal of sports medicine

authors： Vernillo G,Savoldelli A,La Torre A,Skafidas S,Bortolan L,Schena F

更新日期：2016-06-01 00:00:00

abstract：:The aims of the study were to investigate the presence of a relative age effect and the influence of birth quarter on anthropometric characteristics, an estimation of biological maturity and performance in the Yo-Yo Intermittent Recovery Test level 1 in 606 elite, Flemish youth soccer players. The sample was divided i...

journal_title：International journal of sports medicine

authors： Deprez D,Vaeyens R,Coutts AJ,Lenoir M,Philippaerts R

更新日期：2012-12-01 00:00:00

abstract：:Sprint cycling performance is heavily dependent on mechanical peak power output (PPO) and the underlying power- and torque-cadence relationships. Other key indices of these relationships include maximum torque (TMAX), cadence (CMAX) and optimal cadence (COPT). Two common methods are used in the laboratory to ascertain...

journal_title：International journal of sports medicine

authors： Kordi M,Folland J,Goodall S,Barratt P,Howatson G

更新日期：2019-12-01 00:00:00

abstract：:Leukocytosis was postulated to accompany short- and medium-length exercise; in this report, we have studied the changes in leukocyte count during and following prolonged exercise. White blood cell (WBC) counts were obtained in 15 endurance-trained subjects before, during, and at a recovery period after an ultralong ex...

journal_title：International journal of sports medicine

authors： Galun E,Burstein R,Assia E,Tur-Kaspa I,Rosenblum J,Epstein Y

更新日期：1987-08-01 00:00:00

abstract：:Spatio-temporal, metabolic and psychometric responses during and after a 400-m freestyle swim trial were investigated for gender and skill-level effects. Thirty-four men and women, 18 national and international competitors and 16 recreational swimmers, were compared. Mean speed, stroke rate (SR), and stroke length (SL...

journal_title：International journal of sports medicine

authors： Schnitzler C,Ernwein V,Seifert L,Chollet D

更新日期：2007-02-01 00:00:00

abstract：:Exercise induced proteinuria is a common phenomenon in high performance sports. Based on the appearance of so called "effort urines" in routine doping analysis the purpose of this study was to investigate the influence of exercise induced proteinuria on IEF profiles and SDS-PAGE relative mobility values (rMVs) of endo...

journal_title：International journal of sports medicine

authors： Voss S,Lüdke A,Romberg S,Schänzer E,Flenker U,deMarees M,Achtzehn S,Mester J,Schänzer W

更新日期：2010-06-01 00:00:00

abstract：:The purpose of the present study was to correlate the acute and chronic decrease in blood pressure (BP) following resistance training (RT). 13 normotensive women (18-49 years) completed an acute whole body RT session with 3 sets of 10 repetitions at 60% 1RM and then 8 weeks of RT as follows: 3/week, 3 sets of 8-12 rep...

journal_title：International journal of sports medicine

authors： Tibana RA,de Sousa NM,da Cunha Nascimento D,Pereira GB,Thomas SG,Balsamo S,Simoes HG,Prestes J

更新日期：2015-01-01 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

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 purpose of this study was to measure and compare the total energy expenditure of the four competitive swimming strokes. Twenty-six swimmers of international level were submitted to an incremental set of 200-m swims (5 swimmers at Breaststroke, 5 swimmers at Backstroke, 4 swimmers at Butterfly and 12 swimmers at Fr...

journal_title：International journal of sports medicine

authors： Barbosa TM,Fernandes R,Keskinen KL,Colaço P,Cardoso C,Silva J,Vilas-Boas JP

更新日期：2006-11-01 00:00:00

abstract：:Previous studies have demonstrated that full recovery from weight loss may take months or years. The present investigation examined short-term recovery (5 wks "post") of physical performance (muscular strength, muscular power, vertical jump), body composition, metabolic hormones (testosterone, luteinizing hormone, sex...

journal_title：International journal of sports medicine

authors： Nindl BC,Friedl KE,Frykman PN,Marchitelli LJ,Shippee RL,Patton JF

更新日期：1997-07-01 00:00:00

abstract：:To assess changes of sex hormones, cortisol, prolactin (PRL) and beta-endorphins in an exhaustive aerobic performance, blood samples were taken in 11 endurance trained runners (R) along an ultra-marathon race of 110 km (T1 before the start, T2 at km 33, T3 at km 75 and T4 immediately after completing the race). Result...

journal_title：International journal of sports medicine

authors： Fournier PE,Stalder J,Mermillod B,Chantraine A

更新日期：1997-05-01 00:00:00

abstract：:This study aims to investigate the changes in the mechanical properties of quadriceps muscle following a sub-maximal concentric-eccentric stepping exercise protocol. Twenty-four untrained healthy subjects aged 21.9 +/- 0.55 years were asked to perform a 10-minute stepping exercise where the dominant leg worked eccentr...

journal_title：International journal of sports medicine

authors： Yeung SS,Yeung EW

更新日期：2008-03-01 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：:The present study evaluated the accuracy of predicting velocity and oxygen consumption (VO2) at the LT lactate threshold and FBLC fixed blood lactate concentrations from a 3200-m time trial in women. Forty-four women (mean age = 31.1 yrs, mean ht = 164.9 cm, mean wt = 65.0 kg) completed a treadmill protocol for the de...

journal_title：International journal of sports medicine

authors： Weltman A,Seip R,Bogardus AJ,Snead D,Dowling E,Levine S,Weltman J,Rogol A

更新日期：1990-10-01 00:00:00