Postexercise proteinuria in childhood and adolescence.

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：:This study compared physiological responses associated with exercise tolerance in girls (G) and women (W) of similar fitness and heat acclimatization level during exercise in a hot and humid outdoor environment (33.4 degrees C and 55.1 % RH; WBGT = 29.9 +/- 0.2 degrees C). Nine pre-menarcheal G (age = 11.3 yr) and nin...

journal_title：International journal of sports medicine

authors： Rivera-Brown AM,Rowland TW,Ramírez-Marrero FA,Santacana G,Vann A

更新日期：2006-12-01 00:00:00

abstract：:The energy cost of the forms of locomotion discussed throughout this article is summarized in Table 9. This table, as well as the preceding sections of this article, are designed to provide a rather comprehensive and simple set of information for potential readers: medical doctors, who should be able to prescribe to t...

journal_title：International journal of sports medicine

authors： di Prampero PE

更新日期：1986-04-01 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 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 whether endurance athletes who exhibit deep bradycardia are more prone to arrhythmias and reflex syncope than their non-bradycardic peers. 46 healthy men (ages 19-35) were divided into 3 groups based on whether they were sedentary (SED,<2 h/week) or endurance trained (ET,>6 h/week...

journal_title：International journal of sports medicine

authors： Matelot D,Schnell F,Khodor N,Endjah N,Kervio G,Carrault G,Thillaye du Boullay N,Carre F

更新日期：2016-09-01 00:00:00

abstract：:We used continuous electrocardiographic monitoring according to Holter's method for a tentative evaluation of the prognostic value of the main electrocardiographic peculiarities of the "athlete's heart". Five hundred and eighty-seven Holter recordings were performed in 164 top athletes divided into three groups: dynam...

journal_title：International journal of sports medicine

authors： Carre F,Chignon JC

更新日期：1991-04-01 00:00:00

abstract：:The purpose of this study was to assess the intensity and energy cost of dance simulation in relation to the American College of Sports Medicine (ACSM) recommendations on the quantity and quality of exercise for developing and maintaining cardiorespiratory fitness, and to assess its safety. Forty subjects (21 males an...

journal_title：International journal of sports medicine

authors： Tan B,Aziz AR,Chua K,Teh KC

更新日期：2002-02-01 00:00:00

abstract：:Decreased ability to perform activities of daily living (ADLs) associated with deterioration in physical capacity are key determinants of the poor quality of life and loss of independence of patients with Alzheimer's disease (AD). The purpose of this study was to determine the effects of a 12-week training program (in...

journal_title：International journal of sports medicine

authors： Santana-Sosa E,Barriopedro MI,López-Mojares LM,Pérez M,Lucia A

更新日期：2008-10-01 00:00:00

abstract：:Because previous researchers have reported a reduced lactic acid production that accompanies a delayed or an absent ventilatory threshold (VTh) in water-based exercise, we hypothesized that the metaboreflex, activated by muscle acidosis, might be absent in fin swimming. This motor response, delaying the occurrence of ...

journal_title：International journal of sports medicine

authors： Jammes Y,Delliaux S,Coulange M,Jammes C,Kipson N,Brerro-Saby C,Bregeon F

更新日期：2010-08-01 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：: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 investigation evaluated the effects of beverage carbonation and carbohydrate (CHO) content on fluid replacement following exercise/thermal dehydration. On four occasions separated by at least 7 days, eight healthy men cycled at 50% of VO2max in a hot environmental chamber (40 degrees C, 40% relative humidity) unt...

journal_title：International journal of sports medicine

authors： Lambert CP,Costill DL,McConell GK,Benedict MA,Lambert GP,Robergs RA,Fink WJ

更新日期：1992-05-01 00:00:00

abstract：:We reported previously that a static handgrip exercise evoked regional differences in the facial blood flow. The present study examined whether regional differences in facial blood flow are also evoked during dynamic exercise. Facial blood flow was measured by laser speckle flowgraphy during 15 min of cycling exercise...

journal_title：International journal of sports medicine

authors： Hayashi N,Kashima H,Ikemura T

更新日期：2020-09-18 00:00:00

abstract：:Male Sprague-Dawley rats (n = 48, > 200 g) were progressively treadmill trained over 5 wk where they were running 60 min/d, 5 d/wk. One-half of the group consumed a high-fat diet (HF, 78.7% of energy), while one-half consumed a high-carbohydrate diet (HC, 68.7% of energy). On the day of the experiment, 6 rats per diet...

journal_title：International journal of sports medicine

authors： Nakamura M,Brown J,Miller WC

更新日期：1998-08-01 00:00:00

abstract：:In 1988 Segura and Ventura (14) reported that 1.2 g of L-Tryptophan (L-TRY) supplementation increased total exercise time by 49.4% when the subjects were running at 80% of maximal oxygen uptake (VO2max). In human performance research, acute improvements of that category are rather uncommon. Both for this reason and be...

journal_title：International journal of sports medicine

authors： Stensrud T,Ingjer F,Holm H,Strømme SB

更新日期：1992-08-01 00:00:00

abstract：:It has been suggested in previous studies that the difference in endurance performance between males and females is related to gender-specific differences in cardiac function. Other studies have not equated males and females for physical condition, and this may have contributed to the findings. The purpose of this stu...

journal_title：International journal of sports medicine

authors： Hutchinson PL,Cureton KJ,Outz H,Wilson G

更新日期：1991-08-01 00:00:00

abstract：:This study sought to (a) compare and contrast the effect of 2 commonly used cryotherapy treatments, 4 min of -110 °C whole body cryotherapy and 8 °C cold water immersion, on knee skin temperature and (b) establish whether either protocol was capable of achieving a skin temperature (<13 °C) believed to be required for ...

journal_title：International journal of sports medicine

authors： Costello JT,Donnelly AE,Karki A,Selfe J

更新日期：2014-01-01 00:00:00

abstract：:To examine measures of total and regional body composition using dual X-ray absorptiometry (DXA) in NCAA Division I collegiate equestrian athletes, 31 female collegiate equestrian athletes were matched to a population of normal controls by age and body mass index. Total and regional fat tissue mass (FM), lean tissue m...

journal_title：International journal of sports medicine

authors： Dengel OH,Raymond-Pope CJ,Bosch TA,Oliver JM,Dengel DR

更新日期：2019-05-01 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：:To determine the effects of widely varying amounts of cushioning upon vertical force (VF) parameters, ten male subjects, (mean weight = 68.0 kg) ran at a speed of 4.5 m . s-1 (6 min/mile pace) and contacted a Kistler force platform. Two shoes were tested: a hard one and a softer shoe that had 50% more cushioning as me...

journal_title：International journal of sports medicine

authors： Clarke TE,Frederick EC,Cooper LB

更新日期：1983-11-01 00:00:00

abstract：:The use of 60%-95% of maximal heart rate (HR), heart rate reserve (HRR) and VO2max as exercise training intensities was examined in male runners, and these intensities were related to VO2 observed at the lactate threshold (LT) and fixed blood lactate concentrations (FBLC) of 2.0, 2.5, and 4.0 mM. Thirty-one subjects (...

journal_title：International journal of sports medicine

authors： Weltman A,Snead D,Seip R,Schurrer R,Weltman J,Rutt R,Rogol A

更新日期：1990-06-01 00:00:00

abstract：:Studies of parental influence on children's physical activity have had different results. Parental effect on physical activity during adolescence is less studied, and three generation studies have not been carried out. The purpose of our study was to examine intra- and intergenerational associations of leisure time ph...

journal_title：International journal of sports medicine

authors： Aarnio M,Winter T,Kujala UM,Kaprio J

更新日期：1997-10-01 00:00:00

abstract：:This study evaluated the biceps femoris (BF), rectus femoris (RF), and vastus lateralis (VL) activation and activation ratios of a variety of resistance training exercises characterized by knee extension, and determined if subject strength or gender affects these variables. The exercises evaluated included the leg ext...

journal_title：International journal of sports medicine

authors： Ebben WP,Feldmann CR,Dayne A,Mitsche D,Alexander P,Knetzger KJ

更新日期：2009-01-01 00:00:00

abstract：:This study examined the validity of 2 kinematic systems for estimating force and power during squat jumps. 12 weight-trained males each performed single repetition squat jumps with a 20-kg, 40-kg, 60-kg and 80-kg load on a Kistler portable force plate. A commercial linear position transducer (Gymaware [GYM]) and accel...

journal_title：International journal of sports medicine

authors： Crewther BT,Kilduff LP,Cunningham DJ,Cook C,Owen N,Yang GZ

更新日期：2011-04-01 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：:To determine the effects of aerobic fitness on pregnancy and the newborn, 20 primigravid subjects were studied throughout gestation and immediately postpartum. The subjects were classified as trained (T = 10) or untrained (UT = 10) based on the heart rate response to submaximal cycle ergometry testing done in each tri...

journal_title：International journal of sports medicine

authors： Wong SC,McKenzie DC

更新日期：1987-04-01 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 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 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