The chemoreflex: adult versus child comparison.

abstract：PURPOSE:This study aimed to evaluate the relationship between race car cockpit temperature and thermal strain indicators among race car drivers. METHODS:Four male racing drivers' heart rate (HR), skin temperature (Tskin), and core temperature (Tcore) were measured continuously using the Equivital Life Monitor bio harn...

journal_title：Medicine and science in sports and exercise

authors： Barthel SC,Ferguson DP

更新日期：2021-02-01 00:00:00

abstract：:The purpose of the present investigation was to examine the wet suit effect on 8 swimmers and 8 triathletes. For swimmers, the performances of a 400-m swim with and without wet suit were not statistically different (4 min 12.5 +/- 8 s vs 4 min 13.9 +/- 4 s) while for triathletes the swim times were reduced by 19 s (4 ...

journal_title：Medicine and science in sports and exercise

authors： Chatard JC,Senegas X,Selles M,Dreanot P,Geyssant A

更新日期：1995-04-01 00:00:00

abstract：:The 1-mile run/walk test is the field test of choice for evaluating maximal aerobic power (VO2max) in school-aged children. The objective of this study was to determine the relative importance of selected metabolic determinants of mile run/walk performance in children 6-14 yr of age. Mile run/walk time (MRWT), VO2max,...

journal_title：Medicine and science in sports and exercise

authors： McCormack WP,Cureton KJ,Bullock TA,Weyand PG

更新日期：1991-05-01 00:00:00

abstract：INTRODUCTION:The application of an autologous plasma rich in growth factors is beneficial in restoring connective tissues, as shown by clinical evidence in oral surgery and more recently in arthroscopic anterior cruciate ligament reconstruction and two cases of ruptured Achilles tendon in professional athletes. This is...

journal_title：Medicine and science in sports and exercise

authors： Sánchez M,Azofra J,Anitua E,Andía I,Padilla S,Santisteban J,Mujika I

更新日期：2003-10-01 00:00:00

abstract：PURPOSE:FRESH START is a randomized controlled trial that will test whether a personally tailored, distance-medicine-based program will increase exercise and fruit and vegetable consumption, and decrease fat intake of individuals recently diagnosed with breast or prostate cancer. METHODS:Early-stage breast and prostat...

journal_title：Medicine and science in sports and exercise

authors： Demark-Wahnefried W,Clipp EC,McBride C,Lobach DF,Lipkus I,Peterson B,Clutter Snyder D,Sloane R,Arbanas J,Kraus WE

更新日期：2003-03-01 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：PURPOSE:This study aimed to examine the longitudinal associations of person-related factors with physical activity (PA) behavior in young adults. METHODS:We analyzed longitudinal self-reported time spent in moderate-intensity PA (MPA; 4-7 METs) and vigorous-intensity PA (VPA; >7 METs) from 499 young adults (49% male) ...

journal_title：Medicine and science in sports and exercise

authors： Uijtdewilligen L,Twisk JW,Chinapaw MJ,Koppes LL,Van Mechelen W,Singh AS

更新日期：2014-03-01 00:00:00

abstract：:To determine whether a 13C-bicarbonate, isotope dilution technique could be used to estimate relative changes in energy expenditure of leisure activities of short duration, we studied eight adolescents who performed the following activities: watching television (120 min); playing a stringed instrument (60 min plus 60 ...

journal_title：Medicine and science in sports and exercise

authors： Horswill CA,Zipf WB,Kien CL

更新日期：1997-09-01 00:00:00

abstract：:The effects of endurance training on tissue antioxidant and oxidative enzyme activities were determined in heart, liver, and five skeletal muscles of female rats. Rats were fed either normal (+E) or vitamin E free (-E) diets for 16 wk. For the final 8 wk, subgroups of +E and -E diet animals were trained by treadmill r...

journal_title：Medicine and science in sports and exercise

authors： Tiidus PM,Houston ME

更新日期：1994-03-01 00:00:00

abstract：OBJECTIVE:This study investigated the contributions of physical fitness and body composition to 24-h fat oxidation in adults under sedentary conditions in a whole-room calorimeter. METHODS:The following measurements were studied in 109 adults (49 male/45 female) at least 36 h after a bout of exercise: 1) aerobic fitne...

journal_title：Medicine and science in sports and exercise

authors： Kriketos AD,Sharp TA,Seagle HM,Peters JC,Hill JO

更新日期：2000-04-01 00:00:00

abstract：PURPOSE:To test for relationships between objectively measured habitual physical activity and fundamental movement skills in a relatively large and representative sample of preschool children. METHODS:Physical activity was measured over 6 d using the Computer Science and Applications (CSA) accelerometer in 394 boys an...

journal_title：Medicine and science in sports and exercise

authors： Fisher A,Reilly JJ,Kelly LA,Montgomery C,Williamson A,Paton JY,Grant S

更新日期：2005-04-01 00:00:00

abstract：PURPOSE:Habitual running has been associated with reduced risk of cataract development in one prospective study. The purposes of the current analyses were to provide further evidence of this potentially important benefit of vigorous exercise and to test whether moderate exercise (e.g., walking) provides as significant ...

journal_title：Medicine and science in sports and exercise

authors： Williams PT

更新日期：2013-06-01 00:00:00

abstract：:In 1983 a representative sample of Danish adolescents 16-19 yr of age were selected to participate in a study to determine risk profile for coronary heart disease. Eight years later (1991), we performed a follow-up study of the same participants 23-27 yr of age to compare risk factors. In the young adults power was ge...

journal_title：Medicine and science in sports and exercise

authors： Andersen LB,Haraldsdóttir J

更新日期：1994-08-01 00:00:00

abstract：:Perceptual and physiological congruity was examined during recovery from high-intensity dynamic exercise. Nine males (24.8 +/- 0.6 yr; VO2max; 52.3 +/- 1.5 ml.kg-1.min-1) undertook in random order four maximal treadmill protocols. Treadmill speed was held constant (5.3 km.h-1) while grade was incremented by 2, 4, 6, o...

journal_title：Medicine and science in sports and exercise

authors： Robertson RJ,Nixon PA,Caspersen CJ,Metz KF,Abbott RA,Goss FL

更新日期：1992-03-01 00:00:00

abstract：:Myocardial crypts are extensions of blood signal penetrating the compact myocardium and are considered in literature as either a distinctive cardiac magnetic resonance (CMR) imaging marker for hypertrophic cardiomyopathy or as benign congenital malformations. What if CMR reveals a myocardial crypt in the presence of a...

journal_title：Medicine and science in sports and exercise

authors： Neunhäuserer D,Ermolao A,Corbetti F,Niebauer J,Zaccaria M,Gasperetti A

更新日期：2015-02-01 00:00:00

abstract：PURPOSE:Considering the different loading and training characteristics of the sports practiced during growth, it is important to specify and categorize the bone and soft tissue adaptations in adolescent athletes. This study aimed to categorize 10 different loading sports and a nonsport group and identify the difference...

journal_title：Medicine and science in sports and exercise

authors： Agostinete RR,Fernandes RA,Narciso PH,Maillane-Vanegas S,Werneck AO,Vlachopoulos D

更新日期：2020-12-01 00:00:00

abstract：:Studies using wearable sensors to measure posture, physical activity (PA), and sedentary behavior typically use a single sensor worn on the ankle, thigh, wrist, or hip. Although the use of single sensors may be convenient, using multiple sensors is becoming more practical as sensors miniaturize. PURPOSE:We evaluated ...

journal_title：Medicine and science in sports and exercise

authors： Tang QU,John D,Thapa-Chhetry B,Arguello DJ,Intille S

更新日期：2020-08-01 00:00:00

abstract：PURPOSE:The purpose of study was to determine whether quadriceps/patella and Achilles tendon length and flexibility of the knee extensors and plantar flexors are related to walking and running economy. METHODS:Twenty-one male distance runners were subjects. Quadriceps/patella and Achilles tendon length were measured b...

journal_title：Medicine and science in sports and exercise

authors： Hunter GR,Katsoulis K,McCarthy JP,Ogard WK,Bamman MM,Wood DS,Den Hollander JA,Blaudeau TE,Newcomer BR

更新日期：2011-08-01 00:00:00

abstract：PURPOSE:Deceptive manipulations of performance intensity have previously been investigated in cycling time trials (TT) but used different magnitudes, methods, and task durations. This study examines previously used magnitudes of deception during 16.1-km TT and explores yet unexamined psychological responses. METHODS:T...

journal_title：Medicine and science in sports and exercise

authors： Williams EL,Jones HS,Sparks SA,Midgley AW,Marchant DC,Bridge CA,McNaughton LR

更新日期：2015-11-01 00:00:00

abstract：INTRODUCTION:Poor muscle quality and sedentary behavior are risk factors for metabolic dysfunction in children and adolescents. However, because longitudinal data are scarce, relatively little is known about how changes in muscle quality and physical activity influence bone development. PURPOSE:In a 2-yr longitudinal ...

journal_title：Medicine and science in sports and exercise

authors： Farr JN,Laddu DR,Blew RM,Lee VR,Going SB

更新日期：2013-12-01 00:00:00

abstract：INTRODUCTION:Recent data indicate a direct relationship between the sympathetic nervous system and bone metabolism. The purpose of this study was to evaluate the effects of a beta-1 adrenergic (Adrb1) agonist, dobutamine (DOB), on disuse-induced changes in bone integrity during 28 d of hindlimb unloading (HU). METHODS...

journal_title：Medicine and science in sports and exercise

authors： Swift JM,Hogan HA,Bloomfield SA

更新日期：2013-09-01 00:00:00

abstract：PURPOSE:The importance of the brain in sports was recently confirmed by the negative effect of mental fatigue (MF) on sport-specific psychomotor skills. Creatine supplementation improves strength but can also improve cognitive functioning. To explore the role of creatine in combating MF, we evaluated whether creatine s...

journal_title：Medicine and science in sports and exercise

authors： VAN Cutsem J,Roelands B,Pluym B,Tassignon B,Verschueren JO,DE Pauw K,Meeusen R

更新日期：2020-01-01 00:00:00

abstract：PURPOSE:The study's purpose was to relate body mass index (BMI) to body fat percentage as measured by dual-energy x-ray absorptiometry in female elite athletes from different sports and nonathletic controls and to investigate what characterizes the athletes with unhealthy low and high body fat values. METHODS:This stu...

journal_title：Medicine and science in sports and exercise

authors： Klungland Torstveit M,Sundgot-Borgen J

更新日期：2012-05-01 00:00:00

abstract：PURPOSE:Little is known about whether acute exercise affects signs or symptoms of attention deficit/hyperactivity disorder (ADHD) in adults. This experiment sought to determine the effects of a single bout of moderate-intensity leg cycling exercise on measures of attention, hyperactivity, mood, and motivation to comple...

journal_title：Medicine and science in sports and exercise

authors： Fritz KM,O'Connor PJ

更新日期：2016-06-01 00:00:00

abstract：INTRODUCTION/PURPOSE:Critical power (CP) is a fundamental parameter defining high-intensity exercise tolerance; however, its physiological determinants are incompletely understood. The present study determined the impact of hyperoxia on CP, the time constant of phase II pulmonary oxygen uptake kinetics (τV˙O2), and mus...

journal_title：Medicine and science in sports and exercise

authors： Goulding RP,Roche DM,Marwood S

更新日期：2020-05-01 00:00:00

abstract：PURPOSE:The purpose of this study was to investigate the physiological and performance responses to a simulated freestyle wrestling tournament after typical weight loss techniques used by amateur wrestlers. METHODS:Twelve Division I collegiate wrestlers (mean +/- SD;19.33 +/- 1.16 yr) lost 6% of total body weight duri...

journal_title：Medicine and science in sports and exercise

authors： Kraemer WJ,Fry AC,Rubin MR,Triplett-McBride T,Gordon SE,Koziris LP,Lynch JM,Volek JS,Meuffels DE,Newton RU,Fleck SJ

更新日期：2001-08-01 00:00:00

abstract：PURPOSE:To estimate the prevalence of metabolic syndrome and insulin resistance in a cohort of Division 1 collegiate football players. METHODS:Ninety football players were evaluated in a cross-sectional study to estimate the prevalence of metabolic syndrome, insulin resistance, and associated risk factors. Obesity was...

journal_title：Medicine and science in sports and exercise

authors： Borchers JR,Clem KL,Habash DL,Nagaraja HN,Stokley LM,Best TM

更新日期：2009-12-01 00:00:00

abstract：:Recent research has demonstrated that intracellular signaling components associated with several proinflammatory cytokines have the potential to interact with signaling pathways that regulate anabolic processes in skeletal muscle. This presentation and the ensuing brief review are intended to present a selection of th...

journal_title：Medicine and science in sports and exercise

authors： Adams GR

更新日期：2010-01-01 00:00:00

abstract：PURPOSE:Regular physical activity leads to a more favorable cardiovascular risk factor profile and a lower risk of developing incident coronary heart disease (CHD). These correlations suggest that higher levels of physical activity should also attenuate the presence and extent of coronary atherosclerosis. METHODS:Phys...

journal_title：Medicine and science in sports and exercise

authors： Taylor AJ,Watkins T,Bell D,Carrow J,Bindeman J,Scherr D,Feuerstein I,Wong H,Bhattarai S,Vaitkus M,O'Malley PG

更新日期：2002-02-01 00:00:00

abstract：PURPOSE:Although several studies have shown that immune cells stimulated by in vitro stress are capable to produce neurotrophins, there is still no evidence whether physiological stress, such as exercise, can modulate the in vivo levels of brain-derived neurotrophic factor (BDNF) in peripheral blood mononuclear cells (...

journal_title：Medicine and science in sports and exercise

authors： Brunelli A,Dimauro I,Sgrò P,Emerenziani GP,Magi F,Baldari C,Guidetti L,Di Luigi L,Parisi P,Caporossi D

更新日期：2012-10-01 00:00:00