Cockpit Temperature as an Indicator of Thermal Strain in Sports Car Competition.

abstract：PURPOSE:This study was conducted to test the hypothesis of autonomic imbalance in overtrained athletes during sleep and after awakening with analyses of heart rate variability (HRV) and nocturnal urine stress hormones. METHODS:We examined 12 athletes diagnosed to be severely overtrained (OA, 6 men and 6 women, mean ag...

journal_title：Medicine and science in sports and exercise

authors： Hynynen E,Uusitalo A,Konttinen N,Rusko H

更新日期：2006-02-01 00:00:00

abstract：PURPOSE:This study aimed to investigate longitudinal associations of objectively measured physical activity (PA) and sedentary behavior (SB) with body composition and physical fitness at a 12-month follow-up in healthy Swedish 4-yr-old children. METHODS:The data from the population-based MINISTOP trial were collected ...

journal_title：Medicine and science in sports and exercise

authors： Leppänen MH,Henriksson P,Delisle Nyström C,Henriksson H,Ortega FB,Pomeroy J,Ruiz JR,Cadenas-Sanchez C,Löf M

更新日期：2017-10-01 00:00:00

abstract：:Physiological variables must often be scaled for body size differences to permit meaningful comparisons between subjects or groups. This study aimed to determine the proper relationship between body dimensions and left ventricular mass (LVM) via allometric scaling (AS) in 142 subjects (78 males, 64 females; ages 18-40...

journal_title：Medicine and science in sports and exercise

authors： Batterham AM,George KP,Mullineaux DR

更新日期：1997-02-01 00:00:00

abstract：:Two studies were conducted to test the validity of an all-out procedure for the assessment of the maximal accumulated oxygen deficit (AOD). Subjects in study 1 (N = 9; VO2max = 57 +/- 3 ml.kg-1.min-1 [+/- SEM]) completed three supramaximal efforts on a cycle ergometer. Exhaustive exercise during an all-out isokinetic ...

journal_title：Medicine and science in sports and exercise

authors： Gastin PB,Costill DL,Lawson DL,Krzeminski K,McConell GK

更新日期：1995-02-01 00:00:00

abstract：INTRODUCTION:At the present there are limited tools available to measure muscle function in young children. Ground reaction force plates measure lower-body function and postural control in older children and adults. The purpose of this study was threefold: 1) develop normative data for evaluating global muscle developm...

journal_title：Medicine and science in sports and exercise

authors： Hazell TJ,Sharma AK,Vanstone CA,Gagnon I,Pham TT,Finch SL,Weiler HA,Rodd CJ

更新日期：2014-11-01 00:00:00

abstract：UNLABELLED:Physically active classroom lessons have been found to increase on-task behavior in children. Given that physical activity has been associated with an increased time on task (TOT) and that overweight children take fewer steps than normal weight children do, it was expected that benefits of the physical activ...

journal_title：Medicine and science in sports and exercise

authors： Grieco LA,Jowers EM,Bartholomew JB

更新日期：2009-10-01 00:00:00

abstract：PURPOSE:To evaluate the effect of maturity status on the autonomic nervous system at rest and recovery after short-term, high-intensity exercise in adolescents. METHODS:A biological maturity age was estimated in 27 males by calculating the years from peak height velocity (PHV) using a multiple regression equation. Sub...

journal_title：Medicine and science in sports and exercise

authors： Goulopoulou S,Heffernan KS,Fernhall B,Yates G,Baxter-Jones AD,Unnithan VB

更新日期：2006-05-01 00:00:00

abstract：PURPOSE:To examine the effects of prolonged systemic administration of diclofenac sodium (Voltaren), a nonsteroidal anti-inflammatory drug, on objective indices of exercise-induced muscle damage in humans. METHODS:Fifty-four volunteers (mean age, 26.4 yr; range, 18-35) participated in this randomized double-blind, pla...

journal_title：Medicine and science in sports and exercise

authors： O'Grady M,Hackney AC,Schneider K,Bossen E,Steinberg K,Douglas JM Jr,Murray WJ,Watkins WD

更新日期：2000-07-01 00:00:00

abstract：:Vigorous exercise is associated with a sensation of well-being, and this subjective state has been objectively quantified with psychometric, cardiovascular, and neurophysiological data. Reductions in state anxiety have been demonstrated to follow acute physical activity, and this response persists for 2-5 h. Chronic p...

journal_title：Medicine and science in sports and exercise

authors： Morgan WP

更新日期：1985-02-01 00:00:00

abstract：:The use of 14C as tracer to measure lactate turnover and oxidation and its role in gluconeogenesis are discussed. Lactate is formed as well as utilized in many cells, and most of it in the body is present within cells so that interpretation of 14C data from labelled lactate is more complex and more difficult than that...

journal_title：Medicine and science in sports and exercise

authors： Katz J

更新日期：1986-06-01 00:00:00

abstract：INTRODUCTION:Slow gait predicts many adverse clinical outcomes in old adults, but the mechanisms of how power training can minimize the age-related loss of gait velocity is unclear. We examined the effects of 10 wk of lower extremity power training and detraining on healthy old adults' lower extremity muscle power and ...

journal_title：Medicine and science in sports and exercise

authors： Beijersbergen CM,Granacher U,Gäbler M,Devita P,Hortobágyi T

更新日期：2017-01-01 00:00:00

abstract：:The cell-to-cell lactate shuttle was introduced in 1984 and has been repeatedly supported by studies using a variety of experimental approaches. Because of its large mass and metabolic capacity, skeletal muscle is probably the major component of the lactate shuttle in terms of both production and consumption. Muscles ...

journal_title：Medicine and science in sports and exercise

authors： Gladden LB

更新日期：2008-03-01 00:00:00

abstract：PURPOSE:This study was designed to compare the differences in EMG and kinematics between successful and unsuccessful attempts in bench pressing at one repetition maximum (1RM) in recreational weight-trained subjects. We hypothesized that failure occurs during the sticking period (the period during which there is a temp...

journal_title：Medicine and science in sports and exercise

authors： van den Tillaar R,Ettema G

更新日期：2009-11-01 00:00:00

abstract：PURPOSE:To determine whether females with chronic ankle instability (CAI) demonstrated decreased dynamic postural stability compared with controls in the anterior, lateral, and medial jump directions. METHODS:Individuals with CAI (n = 24) reported a history of moderate to severe ankle sprain, two or more episodes of g...

journal_title：Medicine and science in sports and exercise

authors： Brown CN,Bowser B,Orellana A

更新日期：2010-12-01 00:00:00

abstract：PURPOSE:The purpose of this study is to compare the time-frequency characteristic, using nonlinearly scaled wavelets, of the EMG signal as well as the three-dimensional (3D) knee kinematics of female and male elite soccer players performing an unanticipated cutting maneuver. METHODS:Fifteen female and 15 male elite so...

journal_title：Medicine and science in sports and exercise

authors： Beaulieu ML,Lamontagne M,Xu L

更新日期：2008-10-01 00:00:00

abstract：PURPOSE:Objective measurement with body worn instrumentation is a preferred and increasingly common way to gather information about young people's physical activity. Measured samples have been typically small and recruited through schools. The purpose of this article was to present the descriptive epidemiology of child...

journal_title：Medicine and science in sports and exercise

authors： Craig CL,Cameron C,Griffiths JM,Tudor-Locke C

更新日期：2010-09-01 00:00:00

abstract：:Many experimental studies have utilized the activity of dopamine-beta-hydroxylase (DBH) as an index of sympathetic activity, since this enzyme is not submitted to uptake mechanisms or to enzymatic metabolism as are the circulating catecholamines norepinephrine (NE) and epinephrine (E). However, large discrepancies hav...

journal_title：Medicine and science in sports and exercise

authors： Péronnet F,Cleroux J,Perrault H,Thibault G,Cousineau D,de Champlain J,Guilland JC,Klepping J

更新日期：1985-12-01 00:00:00

abstract：:Poliomyelitis is an acute viral disease that attacks the brain and the ventral horn of the spinal cord. Damage to the lower motor neurons usually results in atrophy and weakness of muscle groups, perhaps paralysis and possibly deformity. A second type, bulbar poliomyelitis, infects the medulla oblongata and may result...

journal_title：Medicine and science in sports and exercise

authors： Birk TJ

更新日期：1993-04-01 00:00:00

abstract：PURPOSE:This is a case study of an aerobically trained, multisport, female athlete (age = 39) diagnosed with stage IIIc human epidermal growth factor receptor 2 positive breast cancer. The focus of the study is on measures of cardiorespiratory fitness (V˙O2peak) through the course of cancer therapy. METHODS:A symptom-...

journal_title：Medicine and science in sports and exercise

authors： Savage PD,Dittus K,Lakoski SG

更新日期：2016-10-01 00:00:00

abstract：INTRODUCTION:This study determines Chinese body segment parameters based on a magnetic resonance imaging method. METHODS:Fifty young Chinese men (21.5 ± 1.52 yr) participated in this study. Magnetic resonance images were obtained using a GE magnetic resonance imaging 1.5-T scanner with 10-mm thickness. The magnetic re...

journal_title：Medicine and science in sports and exercise

authors： Ho WH,Shiang TY,Lee CC,Cheng SY

更新日期：2013-09-01 00:00:00

abstract：:Bicycling is a complex sport in which an athlete's energy cost is related to two principal forces: air resistance when traveling on flat terrain, and gravity when traveling uphill. Both wind tunnel data and physiological measurements suggest that air resistance scales as body mass to about the 1/3 power. Thus, large c...

journal_title：Medicine and science in sports and exercise

authors： Swain DP

更新日期：1994-01-01 00:00:00

abstract：BACKGROUND:Recently, triaxial raw acceleration accelerometers have become available from GENEActiv and ActiGraph; both are designed for wrist and hip wear. It is important to determine whether the output from these monitors is comparable with the wealth of data already collected from the hip-worn, epoch-based, uniaxial...

journal_title：Medicine and science in sports and exercise

authors： Rowlands AV,Rennie K,Kozarski R,Stanley RM,Eston RG,Parfitt GC,Olds TS

更新日期：2014-12-01 00:00:00

abstract：PURPOSE:Physical activity questionnaires (PAQs) are considered the most cost-efficient method to estimate total energy expenditure (TEE) in epidemiological studies. However, relatively few PAQs have been validated using doubly labeled water (DLW) in women or in samples with diverse ethnic backgrounds. This study was co...

journal_title：Medicine and science in sports and exercise

authors： Staten LK,Taren DL,Howell WH,Tobar M,Poehlman ET,Hill A,Reid PM,Ritenbaugh C

更新日期：2001-11-01 00:00:00

abstract：PURPOSE:The objectives of this study were 1) to examine the differences between a noninjured (C) cohort of runners (N = 70) and runners afflicted with anterior knee pain (AKP) according to selected training, anthropometric, rearfoot motion, ground reaction force, and muscular strength and endurance variables; 2) to exp...

journal_title：Medicine and science in sports and exercise

authors： Duffey MJ,Martin DF,Cannon DW,Craven T,Messier SP

更新日期：2000-11-01 00:00:00

abstract：:Motivation to engage in health-promoting exercise has been ascribed to global personality traits such as self-esteem or athletic self-confidence. Self-Efficacy Theory challenges this view by proposing that highly specific estimates of personal capabilities mediate adoption of new or difficult behavior patterns. We tes...

journal_title：Medicine and science in sports and exercise

authors： Ewart CK,Stewart KJ,Gillilan RE,Kelemen MH

更新日期：1986-10-01 00:00:00

abstract：PURPOSE:This study investigated the combined effects of exercise and smoking cessation on serum lipids. METHODS:Eighteen female smokers quit smoking using standard behavioral methods combined with exercise (N = 9) or with a nonexercise contact time control (N = 9). The smoking cessation program for both groups consist...

journal_title：Medicine and science in sports and exercise

authors： Niaura R,Marcus B,Albrecht A,Thompson P,Abrams D

更新日期：1998-09-01 00:00:00

abstract：PURPOSE:Muscle injury is the most common sports injury. Muscle stiffness, a risk factor for muscle injury, is lower in females than in males, implying that sex-related genetic polymorphisms influence muscle injury associated with muscle stiffness. The present study aimed to clarify the associations between two genetic ...

journal_title：Medicine and science in sports and exercise

authors： Kumagai H,Miyamoto-Mikami E,Hirata K,Kikuchi N,Kamiya N,Hoshikawa S,Zempo H,Naito H,Miyamoto N,Fuku N

更新日期：2019-01-01 00:00:00

abstract：PURPOSE:The purpose of this study was to determine whether increased intraluminal pressure is the damaging factor that reduces flow-mediated dilation (FMD) in young, healthy subjects after resistance exercise to maximal exertion. HYPOTHESIS:Attenuating the rise in brachial artery pressure during weight lifting by plac...

journal_title：Medicine and science in sports and exercise

authors： Buchanan CE,Kadlec AO,Hoch AZ,Gutterman DD,Durand MJ

更新日期：2017-04-01 00:00:00

abstract：INTRODUCTION:Scientists and clinicians have attempted to identify and understand biomechanical factors that influence concussion likelihood. The effect of impact frequency to a given head location before the concussion has not been evaluated. The purpose of this study was to compare the frequency of impacts to a given ...

journal_title：Medicine and science in sports and exercise

authors： Liao S,Lynall RC,Mihalik JP

更新日期：2016-07-01 00:00:00

abstract：UNLABELLED:Nampt/pre-B-cell colony-enhancing factor/visfatin (visfatin) release from adipocytes has recently been suggested to be nutrient responsive and linked to systemic nicotinamide adenine dinucleotide biosynthesis and regulation of pancreatic beta-cell function. PURPOSE:We hypothesized that if visfatin does play...

journal_title：Medicine and science in sports and exercise

authors： Haus JM,Solomon TP,Marchetti CM,O'Leary VB,Brooks LM,Gonzalez F,Kirwan JP

更新日期：2009-06-01 00:00:00