Limitations of growth charts derived from longitudinal studies: the Euro-Growth Study.

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：: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：:Thirty-three untrained subjects of both sexes, 18-31 years of age, performed several tests on cycle ergometers. Maximal aerobic power (MAP) was obtained in a progressive work test. Maximal aerobic capacity (MAC) was measured in a 90-min maximal test and was computed as the total work output during that period. Two all...

journal_title：International journal of sports medicine

authors： Boulay MR,Lortie G,Simoneau JA,Hamel P,Leblanc C,Bouchard C

更新日期：1985-12-01 00:00:00

abstract：:The reproducibility of performance in a laboratory test impacts on the statistical power of that test to detect changes of performance in experiments. The purpose of this study was to determine the reproducibility of performance of distance runners completing a 60 min time trial (TT) on a motor-driven treadmill. Eight...

journal_title：International journal of sports medicine

authors： Schabort EJ,Hopkins WG,Hawley JA

更新日期：1998-01-01 00:00:00

abstract：:The normal circadian rhythm in exercise performance may be altered by the habitual timing of training. We have investigated if morning time trial performance is affected by the time at which moderate exercise is performed on the previous day. Eight male cyclists undertook two separate exercise sessions of sub-maximal ...

journal_title：International journal of sports medicine

authors： Edwards BJ,Edwards W,Waterhouse J,Atkinson G,Reilly T

更新日期：2005-10-01 00:00:00

abstract：:This study aims to investigate the relationship between subjective and external measures of load in professional youth football players whilst accounting for the effect of training theme or competition. Data from ratings of perceived exertion and global positioning system-derived measures of external training load wer...

journal_title：International journal of sports medicine

authors： Maughan P,Swinton P,MacFarlane N

更新日期：2020-12-01 00:00:00

abstract：:We studied the effects of a twelve months endurance-training program on exercise-induced change in blood contents in thirteen rowers. A standardized testing-session (18 km rowing at 80 % of VO2max) was performed 19 times during the training program. Capillary blood samples were taken at rest and immediately post-exerc...

journal_title：International journal of sports medicine

authors： Petibois C,Cazorla G,Déléris G

更新日期：2003-01-01 00:00:00

abstract：:The main purpose of the present study was to compare the reference metabolic equivalent (MET) value and observed resting oxygen uptake (VO2) for defining cardiorespiratory fitness (VO2max) and characterizing the energy cost of treadmill running. A heterogeneous cohort of 114 healthy men volunteered to participate. In ...

journal_title：International journal of sports medicine

authors： Ázara HM,Farinatti PTV,Midgley AW,Vasconcellos F,Vigário P,Cunha FA

更新日期：2017-11-01 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：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：:Cross-sectional studies provide evidence of larger cardiac dimensions and mass in endurance trained than in untrained females. Much less is known regarding adaptations in cardiac function following training in untrained subjects. We aimed to study left ventricular (LV) adaptation to indoor cycling in previously untrai...

journal_title：International journal of sports medicine

authors： Hedman K,Bjarnegård N,Länne T

更新日期：2017-09-01 00:00:00

abstract：:This study examined muscular adaptations of knee extensors following short-term low-frequency downhill walking training. 22 young males (training group: TG, n=12; control group: CG, n=10) participated. TG conducted 40-min downhill treadmill walking (load: 10% of body mass, gradient: 28%, velocity: 5 km/h) 1 session/we...

journal_title：International journal of sports medicine

authors： Maeo S,Yamamoto M,Kanehisa H

更新日期：2015-02-01 00:00:00

abstract：:To study the relationship between the onset of an increase in dyspnea and ventilatory threshold (VT) in children with congenital heart impairment, sixteen young subjects underwent a cardiopulmonary exercise test with dyspnea perception and ventilatory gas exchange assessments. Dyspnea score was measured from a visual ...

journal_title：International journal of sports medicine

authors： Amiard V,Jullien H,Nassif D,Maingourd Y,Ahmaidi S

更新日期：2007-04-01 00:00:00

abstract：:The effects of exercise training and acute exercise on the immune system were investigated in rats. For chronic exercise training, the rats ran on a drum exerciser at the intensity of about 60-70% of maximal oxygen consumption (VO2max) for 30 min and then extended up to 60 min per day, 5 days per week for 10 weeks. Th...

journal_title：International journal of sports medicine

authors： Lin YS,Jan MS,Chen HI

更新日期：1993-02-01 00:00:00

abstract：:During an overhead throw, the gluteal muscle group stabilizes the lumbopelvic-hip complex (LPHC), leading to efficient energy transfer from the lower to upper extremity. It has been shown that LPHC instability can lead to throwing pathomechanics. The single leg squat has become a common assessment for LPHC stability, ...

journal_title：International journal of sports medicine

authors： Washington J,Gilmer G,Oliver G

更新日期：2018-07-01 00:00:00

abstract：:We compared 3 months of eucaloric (12 kcal/kg/wk) steady state aerobic training (AER) to interval training (INT) in men at risk for insulin resistance. Primary outcomes included oral glucose tolerance testing (OGTT) and HOMA-IR 24 h and 72 h after each participants last exercise session. Secondary outcomes were VO2max...

journal_title：International journal of sports medicine

authors： Earnest CP,Lupo M,Thibodaux J,Hollier C,Butitta B,Lejeune E,Johannsen NM,Gibala MJ,Church TS

更新日期：2013-04-01 00:00:00

abstract：:Volleyball players commonly complain of pain in the hypothenar area. Fatigue fracture of the pisiform bone is suggested as a cause of this sport incapacity. The diagnostic importance of oblique and axial X-ray views of the Wrist is demonstrated. Early treatment by immobilization for 6 weeks usually results in complete...

journal_title：International journal of sports medicine

authors： Israeli A,Engel J,Ganel A

更新日期：1982-02-01 00:00:00

abstract：:This study compared physical characteristics (body height [BH], body mass [BM], body fat [BF], and fat free mass [FFM]), one repetition maximum bench press (1RM (BP)), jumping explosive power (VJ), handball throwing velocity, power-load relationship of the leg and arm extensor muscles, 5- and 15-m sprint running time,...

journal_title：International journal of sports medicine

authors： Granados C,Izquierdo M,Ibañez J,Bonnabau H,Gorostiaga EM

更新日期：2007-10-01 00:00:00

abstract：:The accumulated O2 deficit (the difference between the estimated energy demand and the actual O2 uptake) was determined during intense exhaustive exercise (2-7 min) in elite athletes, and its relationship with muscle buffer capacity, muscle enzymes and muscle morphology was examined. Five oarsmen, fifteen soccer playe...

journal_title：International journal of sports medicine

authors： Bangsbo J,Michalsik L,Petersen A

更新日期：1993-05-01 00:00:00

abstract：:The aim of this study was to establish the presence of postural deficits in subjects with chronic ankle instability (CAI) and to assess the effect of an 8-week balance training program on dynamic postural control. A total of 43 subjects with CAI and 31 controls participated in this case-control study. Participants wit...

journal_title：International journal of sports medicine

authors： De Ridder R,Willems TM,Vanrenterghem J,Roosen P

更新日期：2015-06-01 00:00:00

abstract：:Stretching of an activated muscle prior to its shortening enhances its performance during the concentric contraction. This phenomenon has been interpreted to be primarily due to the utilization of elastic energy stored in the series elastic elements of the muscle during the stretch. However, reflex potential has also ...

journal_title：International journal of sports medicine

authors： Bosco C,Tarkka I,Komi PV

更新日期：1982-08-01 00:00:00

abstract：:The present study investigated the difference in blood glucose concentration (Glu) response during an incremental swimming test before and after a ten-week training period and verified whether blood glucose threshold (GT) could be determined in competitive swimmers. 7 elite male university swimmers participated in thi...

journal_title：International journal of sports medicine

authors： Sengoku Y,Nakamura K,Takeda T,Nabekura Y,Tsubakimoto S

更新日期：2011-11-01 00:00:00

abstract：:Leukocytes play a central role in asthma physiopathology. Aerobic training (AT) reduces leukocytes recruitment to the airways, but the effects of AT on some aspects of leukocytes activation in asthma are unknown. Therefore, the effects of 4 weeks of AT on airway inflammation, pulmonary and systemic Th2 cytokines level...

journal_title：International journal of sports medicine

authors： Vieira RP,Silva RA,Oliveira-Junior MC,Greiffo FR,Ligeiro-Oliveira AP,Martins MA,Carvalho CR

更新日期：2014-06-01 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：:The effect of clinically used doses of propranolol, atenolol, nifedipine, propranolol plus nifedipine, and atenolol plus nifedipine on thermoregulatory responses of 11 healthy men was studied during 2-h block-stepping in heat. Drug intervention did not alter ventilation during exercise. In contrast, propranolol and at...

journal_title：International journal of sports medicine

authors： Gordon NF,van Rensburg JP,Russell HM,Kielblock AJ,Myburgh DP

更新日期：1987-02-01 00:00:00

abstract：:We tested the hypothesis that time course of O (2) uptake (VO (2)) measured during a supramaximal exercise performed in the field is driven to maximal oxygen uptake (VO (2max)). On an outdoor track, five middle-distance male runners first performed a test to determine VO (2max) and a supramaximal 800-m running test at...

journal_title：International journal of sports medicine

authors： Thomas C,Hanon C,Perrey S,Le Chevalier JM,Couturier A,Vandewalle H

更新日期：2005-05-01 00:00:00

abstract：:In order to evaluate a mechanism which may be responsible for the often observed acute increase in residual lung volume (RV) following exercise, 12 non-smoking males (20-30 yrs) performed two bouts of exercise on separate days; one to maximal heart rate (HRmax) and one to 85% of HRmax for 20 min. Prior to exercise and...

journal_title：International journal of sports medicine

authors： Cordain L,Rode EJ,Gotshall RW,Tucker A

更新日期：1994-04-01 00:00:00

abstract：:This study sought to determine if prophylactic ankle taping and bracing influenced vertical leg stiffness during hopping. Twenty healthy and physically active participants completed testing under three ankle stabilizer conditions, ankle tape, semi-rigid ankle brace or control (no stabilizer) during three separate sess...

journal_title：International journal of sports medicine

authors： Williams S,Riemann BL

更新日期：2009-05-01 00:00:00

abstract：:Considering the large and repetitive loads associated with jumping in team sports, automatic detection and quantification of jumping may show promise in reducing injury risks. The aim of this study was to validate commercially available inertial-movement analysis software to detect and quantify jumping in team sports....

journal_title：International journal of sports medicine

authors： Spangler R,Rantalainen T,Gastin PB,Wundersitz D

更新日期：2018-10-01 00:00:00

abstract：:We investigated the possible influence of an exhaustive physical exercise on mental stress biomarkers (serotonin, tryptophan, and beta-endorphin) along with dopamine, noradrenaline and free fatty acids in an ultramarathon race in which 45 km was run on the first day and 90 km on the second. We obtained serum samples a...

journal_title：International journal of sports medicine

authors： Agawa H,Yamada N,Enomoto Y,Suzuki H,Hosono A,Arakawa K,Ghadimi R,Miyata M,Maeda K,Shibata K,Tokudome M,Goto C,Tokudome Y,Hoshino H,Imaeda N,Marumoto M,Suzuki S,Kobayashi M,Tokudome S

更新日期：2008-11-01 00:00:00