Thermoregulation in marathon competition at low ambient temperature.

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 principal aim of our study was the determination of the effectiveness of a standardized ratio, allometric scaling model and a gamma function model in normalizing the isometric torque data of spinal cord patients and healthy subjects. For this purpose we studied a sample of 21 healthy males and 23 spinal cord injur...

journal_title：International journal of sports medicine

authors： Serra-Añó P,García-Massó X,Pellicer M,González LM,López-Pascual J,Giner-Pascual M,Toca-Herrera JL

更新日期：2012-06-01 00:00:00

abstract：:One hundred fourteen subjects (34 +/- 8 years) without any competition background took part in an endurance training study to be completed after 1.5 years with running a marathon. Ultimately, 60 males and 18 females achieved that goal. The training program, carefully supervised, was divided into three phases with a ma...

journal_title：International journal of sports medicine

authors： Verstappen FT,Janssen GM,Does RJ

更新日期：1989-10-01 00:00:00

abstract：:We have reviewed carbohydrate metabolism in skeletal muscle with an emphasis on recent information. In this review a significant number of points have been made. These are summarized below. 1. CP and glycogen are concomitantly metabolized during short-term (less than or equal to 10 s) intense exercise. 2. Both epineph...

journal_title：International journal of sports medicine

authors： Bonen A,McDermott JC,Hutber CA

更新日期：1989-12-01 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 purpose of this study was to compare Anaerobic Work Capacity (AWC) measured on an isoinertial or an isokinetic bicycle ergometer. Twelve male participants completed two randomly ordered exercise testing sessions including a torque-velocity test followed by a 30-s all-out test on an isokinetic ergometer, or a force...

journal_title：International journal of sports medicine

authors： Wiedemann MS,Bosquet L

更新日期：2010-02-01 00:00:00

abstract：:The aim of this research was to study the effect of hand paddles on the pitch, the sweepback angles and other stroke kinematic characteristics of the hand during front crawl swimming. Ten female competitive swimmers swam without and with small (116 cm (2)) and large (268 cm (2)) paddles. Four cameras (60 Hz) were used...

journal_title：International journal of sports medicine

authors： Gourgoulis V,Aggeloussis N,Vezos N,Antoniou P,Mavromatis G

更新日期：2008-05-01 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：:This study sought to determine the influence of 16 months of progressive aerobic exercise on excess postexercise oxygen consumption (EPOC) and the extent EPOC contributed to weight management. Twenty-five overweight/obese women and 16 overweight/obese men participated in a 16-month exercise program (moderate-intensity...

journal_title：International journal of sports medicine

authors： LeCheminant JD,Jacobsen DJ,Bailey BW,Mayo MS,Hill JO,Smith BK,Donnelly JE

更新日期：2008-01-01 00:00:00

abstract：:The purpose of this study was to determine the effect of a reduced ventilatory frequency (Vf) on blood gases and acid-base changes during three intensities of cycling exercise. VO2max and lactate threshold workload (LaT) of six subjects were assessed on a Monark ergometer. Experimental rides were performed 1) with no ...

journal_title：International journal of sports medicine

authors： Sharp RL,Williams DJ,Bevan L

更新日期：1991-02-01 00:00:00

abstract：:The magnitude and pattern of the hematocrit (Hct), hemoglobin (Hb), and plasma volume (PV) responses during and upon recovery from two resistance training protocols based on either a ten-repetition maximum (10 RM) or five-repetition maximum (5 RM) resistance was examined. Twelve college-aged male resistance exercise t...

journal_title：International journal of sports medicine

authors： Craig SK,Byrnes WC,Fleck SJ

更新日期：2008-02-01 00:00:00

abstract：:Participation in aerobic dance is associated with a number of lower extremity injuries, and abnormal joint loading seems to be a factor in these. However, information on joint loading is limited. The purpose of this study was to investigate the kinetics of the lower extremity in step aerobic dance and to compare the d...

journal_title：International journal of sports medicine

authors： Wu HW,Hsieh HM,Chang YW,Wang LH

更新日期：2012-11-01 00:00:00

abstract：:Evidence suggests that myofibers from endurance trained skeletal muscle display unique contractile parameters. However, the underlying mechanisms remain unclear. To further elucidate the influence of endurance training on myofiber contractile function, we examined factors that may impact myofilament interactions (i. e...

journal_title：International journal of sports medicine

authors： Reidy PT,Hinkley JM,Trappe TA,Trappe SW,Harber MP

更新日期：2014-06-01 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：:To examine the acute influence of pedaling cadence on arterial stiffness in young men, 15 healthy men (21.8±0.4 years) underwent 3 trials in self-control crossover design: non-cycling control (CON), cycling at 60 (RPM60) and 90 rounds per min (RPM90). Cycling lasted 30 min at intensity of 35% heart rate reserve. Arter...

journal_title：International journal of sports medicine

authors： Yin J,Wu H,Yu L,Zhang J,Zhu W

更新日期：2019-01-01 00:00:00

abstract：:The aim of this study was to determine the effects of gender and chronic hyperactivity (training) on musculo-tendinous stiffness and joint flexibility and to examine in vivo whether those stiffness parameters were correlated. Thus, maximal isometric voluntary contraction, series elastic stiffness during wrist flexion ...

journal_title：International journal of sports medicine

authors： Cornu C,Maïsetti O,Ledoux I

更新日期：2003-05-01 00:00:00

abstract：:The aim of the study was to examine the associations between maximal and submaximal field tests with match physical activity and biological maturation in youth football players. Sixty-eight youth football players (U14, U15, U16, U17) performed maximal and submaximal field endurance tests. Biological maturity was estim...

journal_title：International journal of sports medicine

authors： Francini L,Rampinini E,Bosio A,Connolly D,Carlomagno D,Castagna C

更新日期：2019-09-01 00:00:00

abstract：:Female runners are reported to be more prone to develop specific knee joint injuries than males. It has been suggested that increased frontal plane joint loading might be related to the incidence of these knee injuries in running. The purpose of this study was to evaluate if frontal plane knee and hip joint kinematics...

journal_title：International journal of sports medicine

authors： Gehring D,Mornieux G,Fleischmann J,Gollhofer A

更新日期：2014-02-01 00:00:00

abstract：:This study examined injury and physical fitness outcomes in Basic Combat Training (BCT) during implementation of Physical Readiness Training (PRT). PRT is the U.S. Army's emerging physical fitness training program. An experimental group (EG, n = 1284), which implemented the PRT program, was compared to a control group...

journal_title：International journal of sports medicine

authors： Knapik JJ,Hauret KG,Arnold S,Canham-Chervak M,Mansfield AJ,Hoedebecke EL,McMillian D

更新日期：2003-07-01 00:00:00

abstract：:We describe a case of a female high school volleyball player who suffered a humeral shaft fracture while executing a floater serve. Based on the patient's history, a stress fracture was initially suspected. However, plain radiographs showed no periosteal reactions, callus formation or osteosclerosis, and thus we could...

journal_title：International journal of sports medicine

authors： Hakozaki M,Iwabuchi M,Otani K,Konno S,Kikuchi S

更新日期：2007-11-01 00:00:00

abstract：:To assess the effect of dietary manipulation on gross efficiency (GE), 15 trained male cyclists completed 3×2 h tests at submaximal exercise intensity (60% Maximal Minute Power). Using a randomized, crossover design participants consumed an isoenergetic diet (~4 000 kcal.day-1) in the 3 days preceding each test, that ...

journal_title：International journal of sports medicine

authors： Cole M,Coleman D,Hopker J,Wiles J

更新日期：2014-03-01 00:00:00

abstract：:The aim of the present study was to compare the physiological responses when the crank rate was chosen spontaneously (Ts) or set at +/- 10% (T-10%, T+10%) of the freely chosen rate, during two upper body exercises: i) a sub-maximal test (T(SUB)) in which intensities ranged from 50 to 80% (118.4 +/- 10.2 to 189.5 +/- 1...

journal_title：International journal of sports medicine

authors： Marais G,Weissland T,Robin H,Vanvelcenaher JM,Lavoie JM,Pelayo P

更新日期：1999-05-01 00:00:00

abstract：:This study was undertaken to determine which of the two commonly used field tests, the 20-meter shuttle run test (20-MST) or the University of Montreal track test (UM-TT), provides the most accurate assessment of maximal and functional aerobic capacity in moderately trained athletes. Eleven male subjects aged from 18 ...

journal_title：International journal of sports medicine

authors： Ahmaidi S,Collomp K,Caillaud C,Préfaut C

更新日期：1992-04-01 00:00:00

abstract：:The effect of 60 h without sleep upon maximal oxygen intake was examined in 12 young women, using a cycle ergometer protocol. The arousal of the subjects was maintained by requiring the performance of a sequence of cognitive tasks throughout the experimental period. Well-defined oxygen intake plateaus were obtained bo...

journal_title：International journal of sports medicine

authors： Goodman J,Radomski M,Hart L,Plyley M,Shephard RJ

更新日期：1989-12-01 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 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：:This study has attempted to describe the fiber composition and respiratory potential in the leg (gastrocnemius) muscle of highly trained, elite female distance runners. As noted, many of these women were competing successfully in middle-distance (1500-3000 m) rather than long distance (10 km and marathon) events. This...

journal_title：International journal of sports medicine

authors： Costill DL,Fink WJ,Flynn M,Kirwan J

更新日期：1987-11-01 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：:Hormonal and metabolic parameters were studied for two teams after a football match. Blood samples were collected before the start, at half-time, at the end, and 45 and 90 min after the end of the game. In the first team, ACTH, cortisol, and lactate levels increased significantly during the whole match to resume basal...

journal_title：International journal of sports medicine

authors： Carli G,Bonifazi M,Lodi L,Lupo C,Martelli G,Viti A

更新日期：1986-02-01 00:00:00

abstract：:Climbing Mount Everest needs an acclimatization period of 3 to 4 weeks between 3000 and 6000 m. In order to reduce this period of time spent in dangerous conditions, an experience of pre-acclimatization was performed with 5 elite alpinists (4 male, 1 female), aged 30 +/- 4 yrs (mean +/- SD), before their attempt to cl...

journal_title：International journal of sports medicine

authors： Richalet JP,Bittel J,Herry JP,Savourey G,Le Trong JL,Auvert JF,Janin C

更新日期：1992-10-01 00:00:00