Protein composition of endurance trained human skeletal muscle.

abstract：:The purpose of this study was to examine whether mental fatigue influences the perceived effort required to complete fairly light and hard effort self-paced exercise challenges. 12 participants completed 2 trials in a randomised cross-over design. Each participant was required to complete a time-matched pre-exercise t...

journal_title：International journal of sports medicine

authors： Brownsberger J,Edwards A,Crowther R,Cottrell D

更新日期：2013-12-01 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：:Screening for cardiac health should involve relevant parameters or indices that are easy and inexpensive to obtain. Various cardiac adaptation mechanisms develop during regular exercise that are affected by many factors, and these are reflected on a surface electrocardiogram. QT dispersion has been considered a surrog...

journal_title：International journal of sports medicine

authors： Kasikcioglu E,Kayserilioglu A,Yildiz S,Akhan H,Cuhadaroglu C

更新日期：2004-04-01 00:00:00

abstract：:The aims of this study were: to compare energy expenditure (EE) estimated from the existing GT3X accelerometer equations and EE measured with indirect calorimetry; to define new equations for EE estimation with the GT3X in youth, adults and older people; and to define GT3X vector magnitude (VM) cut points allowing to ...

journal_title：International journal of sports medicine

authors： Santos-Lozano A,Santín-Medeiros F,Cardon G,Torres-Luque G,Bailón R,Bergmeir C,Ruiz JR,Lucia A,Garatachea N

更新日期：2013-11-01 00:00:00

abstract：:The present study examined the neuromuscular activation characteristics of the hamstrings during the 'Nordic' hamstrings exercise (NHE) and changes in the eccentric strength of the knee flexors with NHE training. Initially, the normalised root mean square electromyographic (EMG) activity of the hamstrings of both limb...

journal_title：International journal of sports medicine

authors： Iga J,Fruer CS,Deighan M,Croix MD,James DV

更新日期：2012-12-01 00:00:00

abstract：:The oxygen uptake (VO2) attained during a constant speed 800-m pace trial on a treadmill is less than the maximal VO2 (VO2max) in male middle-distance runners with a high VO2max (i.e., > 65 ml x kg (-1) x min (-1)). We therefore investigated whether the VO2 attained was influenced by the pacing strategy adopted. Eight...

journal_title：International journal of sports medicine

authors： Sandals LE,Wood DM,Draper SB,James DV

更新日期：2006-01-01 00:00:00

abstract：:Circulating progenitor cells (CPC) are bone marrow-derived cells that are mobilized into the circulation. While exercise is a powerful mediator of hematopoiesis, CPC levels increase, and reports of their activation after different types of exercise are contradictory. Moreover, few studies have compared the possible ef...

journal_title：International journal of sports medicine

authors： Niño O,Balague N,Aragones D,Blasi J,Alamo JM,Corral L,Javierre C,Miguel M,Viscor G,Ventura JL

更新日期：2015-04-01 00:00:00

abstract：:The stress of strenuous long-term exercise may alter renal function. Whether this is also true for marathon cycling is unknown so far. The purpose of this study was to evaluate renal function following competitive marathon cycling. We investigated 38-male, well-trained recreational cyclists credibly not taking any kin...

journal_title：International journal of sports medicine

authors： Neumayr G,Pfister R,Hoertnagl H,Mitterbauer G,Getzner W,Ulmer H,Gaenzer H,Joannidis M

更新日期：2003-02-01 00:00:00

abstract：:Measurement of skeletal muscle strength gains increasing importance as outcome parameter in patients with chronic heart failure. This study aimed at establishing short-term reliability of isokinetic strength measurements of knee extensor and flexor muscles in 38 patients with chronic heart failure. Strength tests were...

journal_title：International journal of sports medicine

authors： Quittan M,Wiesinger GF,Crevenna R,Nuhr MJ,Sochor A,Pacher R,Fialka-Moser V

更新日期：2001-01-01 00:00:00

abstract：:To investigate the effect of a transition program of simulated barefoot running (SBR) on running kinematics and foot-strike patterns, female recreational athletes (n=9, age 29 ± 3 yrs) without SBR experience gradually increased running distance in Vibram FiveFingers SBR footwear over 12 weeks. Matched controls (n=10, ...

journal_title：International journal of sports medicine

authors： McCarthy C,Fleming N,Donne B,Blanksby B

更新日期：2014-05-01 00:00:00

abstract：:Ulnar and posterior tibial motor nerve conduction velocity (NCV) was assessed in 91 athletes and nonathletes. The athletes included male weight lifters, swimmers, jumpers and male and female track sprinters and distance runners. NCV of the weight lifters was significantly faster than that of the other groups for both ...

journal_title：International journal of sports medicine

authors： Kamen G,Taylor P,Beehler PJ

更新日期：1984-02-01 00:00:00

abstract：:The purpose of this investigation was to determine the time course and magnitude of learning effects associated with repeated maximum cycling power tests and to determine if cycle-trained men exhibit different learning effects than active men who are not cycle-trained. Cycle-trained (N = 13) and active men (N = 35) pe...

journal_title：International journal of sports medicine

authors： Martin JC,Diedrich D,Coyle EF

更新日期：2000-10-01 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：:This study investigated the effects of a training taper on muscle damage indices and performance. Two matched groups of seven male runners each performed two self paced half-marathons on a motorised treadmill. After the first half-marathon one group maintained their normal weekly training volume, while the taper group...

journal_title：International journal of sports medicine

authors： Child RB,Wilkinson DM,Fallowfield JL

更新日期：2000-07-01 00:00:00

abstract：:The aim of the current study was to determine the validity of an automated multiple-camera tracking system (Venatrack™), for the measurement of speed during soccer. 18 recreationally active males (mean age 27±8.6 years) performed a series of runs (total 391), representative of the movements made by soccer players, at ...

journal_title：International journal of sports medicine

authors： Redwood-Brown A,Cranton W,Sunderland C

更新日期：2012-08-01 00:00:00

abstract：:The albuminuria occurring after swimming in splenectomized dogs was investigated. Swimming in splenectomized dogs induces metabolic acidosis, a decrease in renal vascular conductance, and an increase in plasma renin activity, all three factors possibly implicated in the occurrence of albuminuria. The administration of...

journal_title：International journal of sports medicine

authors： Joles JA,Nicaise E,Sanders M,Schot A

更新日期：1984-12-01 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：:The effects of anabolic agents and training on skeletal muscle are believed to be mediated by a variety of growth and transcription factors. Among these regulatory proteins, insulin-like growth factor-I (IGF-I) and androgen receptor (AR) play a crucial role. The purpose of this study was to investigate the effects of ...

journal_title：International journal of sports medicine

authors： Matsakas A,Nikolaidis MG,Kokalas N,Mougios V,Diel P

更新日期：2004-10-01 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：:Phagocytic cells constitute the organism's first line of defence against external aggression. These cells carry out their non-specific defence function through what is known as the phagocytic process. This can be split up into several stages: adherence, chemotaxis, attachment, ingestion and killing of the foreign agen...

journal_title：International journal of sports medicine

authors： Ortega Rincón E

更新日期：1994-10-01 00:00:00

abstract：:Chlorhexidine-containing mouthwash (STRONG), which disturbs oral microflora, has been shown to diminish the rise in plasma nitrite concentration ([NO2-]) and attenuate the reduction in resting blood pressure (BP) typically seen after acute nitrate (NO3-) ingestion. We aimed to determine whether STRONG and weaker antis...

journal_title：International journal of sports medicine

authors： McDonagh ST,Wylie LJ,Winyard PG,Vanhatalo A,Jones AM

更新日期：2015-12-01 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：:The purpose of this study was to examine the effect of different loads on repetition speed during single sets of repetitions to failure in bench press and parallel squat. Thirty-six physical active men performed 1-repetition maximum in a bench press (1 RM (BP)) and half squat position (1 RM (HS)), and performed maxima...

journal_title：International journal of sports medicine

authors： Izquierdo M,González-Badillo JJ,Häkkinen K,Ibáñez J,Kraemer WJ,Altadill A,Eslava J,Gorostiaga EM

更新日期：2006-09-01 00:00:00

abstract：:This study assessed the validity of a photoplethysmographic heart rate (HR) monitor, the Polar OH1 in various sports performed in ecological conditions: running, cycling, soccer, kayaking, walking, tennis and fitness. Seventy trained athletes (56 males, 14 females) wore the Polar OH1 armband and the H7 chest belt duri...

journal_title：International journal of sports medicine

authors： Hermand E,Cassirame J,Ennequin G,Hue O

更新日期：2019-07-01 00:00:00

abstract：:The objectives of this study were to 1) continuously assess oxygen uptake during and after difficult sport rock climbing and 2) to evaluate the effects of active versus passive recovery on post-climbing blood lactate and hand grip strength. Fifteen expert rock climbers attempted to climb (i.e., red point lead) a 20 m ...

journal_title：International journal of sports medicine

authors： Watts PB,Daggett M,Gallagher P,Wilkins B

更新日期：2000-04-01 00:00:00

abstract：:Limited data exist concerning exercise training-induced alterations in skeletal muscle oxidative and antioxidant enzyme activity in senescent animals. Therefore, the purpose of this study was twofold: 1) to examine the exercise training-induced changes in oxidative and antioxidant enzyme activity in skeletal muscle of...

journal_title：International journal of sports medicine

authors： Hammeren J,Powers S,Lawler J,Criswell D,Martin D,Lowenthal D,Pollock M

更新日期：1992-07-01 00:00:00

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：:T-lymphocytes were determined by rosette formation with sheep erythrocytes in the peripheral blood obtained from 30 healthy aged subjects who were practicing Taichiquan (88 style) exercise and 30 age-matched normal aged who served as a control group. At rest the total number of T-lymphocytes and the number of active T...

journal_title：International journal of sports medicine

authors： Sun XS,Xu Y,Xia YJ

更新日期：1989-06-01 00:00:00

abstract：:The postural control of ten male soccer players with functional instability (FI) of the ankle joint, i.e., recurrent sprains and/or a feeling of giving way, was studied before and after ankle disk training. Postural control was studied by means of stabilometry and an optoelectronic movement recording system. In the pr...

journal_title：International journal of sports medicine

authors： Gauffin H,Tropp H,Odenrick P

更新日期：1988-04-01 00:00:00

abstract：:Controversy exists as to whether plasma volume (PV) expansion has the potential to increase maximal oxygen uptake (VO2max). In the present study, VO2max and exercise time to fatigue were measured in nine untrained men when plasma volume (PV) was normal and then again on the next day following two levels of PV expansio...

journal_title：International journal of sports medicine

authors： Coyle EF,Hopper MK,Coggan AR

更新日期：1990-04-01 00:00:00