Ventricular myosin expression in developing and regenerating muscle, cultured myotubes, and nascent myofibers of overloaded muscle in the chicken.

abstract：:Habitual physical activity reduces coronary heart disease events, but vigorous activity can also acutely and transiently increase the risk of sudden cardiac death and acute myocardial infarction in susceptible persons. This scientific statement discusses the potential cardiovascular complications of exercise, their pa...

journal_title：Medicine and science in sports and exercise

authors： American College of Sports Medicine.,American Heart Association.

更新日期：2007-05-01 00:00:00

abstract：PURPOSE:To quantify variations in plantar pressure variables in healthy adults across five cardiovascular exercises. METHODS:Ten young (19-35 yr old) and 10 middle-aged (45-60 yr old) individuals participated. After equipment familiarization, plantar pressure data were recorded during walking, running, elliptical trai...

journal_title：Medicine and science in sports and exercise

authors： Burnfield JM,Jorde AG,Augustin TR,Augustin TA,Bashford GR

更新日期：2007-11-01 00:00:00

abstract：:The case of a table tennis player suffering from intra-articular loose bodies of the elbow is reported. The patient developed the first signs of osteochondritis dissecans of the right lateral humeral condyle at age 16 but underwent surgery only 6 yr later. He has now resumed training and competition, despite some resi...

journal_title：Medicine and science in sports and exercise

authors： Pintore E,Maffulli N

更新日期：1991-08-01 00:00:00

abstract：:The availability of choline, the precurser of the neurotransmitter, acetylcholine, in the diet is sufficient to provide the body's requirements under normal conditions. However, preliminary evidence indicates that depletion of choline may limit performance, while oral supplementation may delay fatigue during prolonged...

journal_title：Medicine and science in sports and exercise

authors： Spector SA,Jackman MR,Sabounjian LA,Sakkas C,Landers DM,Willis WT

更新日期：1995-05-01 00:00:00

abstract：:The present investigation tested the hypotheses that there would be greater prevalence of expiratory flow limitation (EFL) in endurance-trained (ET) youth cyclists compared with a recreationally active control (CON) group. METHODS:Twelve ET youth male cyclists (16.3 ± 1.0 yr (13-18 yr), 176.5 ± 6.2 cm, 64.2 ± 5.9 kg)...

journal_title：Medicine and science in sports and exercise

authors： Cox KR,Smith JR,Luden ND,Saunders MJ,Kurti SP

更新日期：2020-09-01 00:00:00

abstract：:Oxidation-reduction (redox) based regulation of gene expression appears to be a fundamental regulatory mechanism in cell biology. This basic information has been exploited to develop novel strategies in clinical therapeutics. In contrast to the conventional idea that reactive species mostly serve as a trigger for oxid...

journal_title：Medicine and science in sports and exercise

authors： Sen CK

更新日期：2001-03-01 00:00:00

abstract：PURPOSE:Approximately 6500 high school football athletes are treated annually for exertional heat illness (EHI). In 2009, the National Athletic Trainers Association (NATA)-led Inter-Association Task Force (NATA-IATF) released preseason heat acclimatization guidelines to help athletes become accustomed to environmental ...

journal_title：Medicine and science in sports and exercise

authors： Kerr ZY,Marshall SW,Comstock RD,Casa DJ

更新日期：2014-01-01 00:00:00

abstract：PURPOSE:Prolonged sitting time (ST) is associated with higher mortality. However, previous studies used only a single measure of ST at baseline, so they could not directly assess the effect of continued exposure to high ST, or of changes in ST, on mortality. We prospectively assessed the association of continued sedent...

journal_title：Medicine and science in sports and exercise

authors： León-Muñoz LM,Martínez-Gómez D,Balboa-Castillo T,López-García E,Guallar-Castillón P,Rodríguez-Artalejo F

更新日期：2013-08-01 00:00:00

abstract：PURPOSE:To determine whether physical activity and fitness change in girls with and without a predisposition to obesity from 8 to 10 yr of age. METHODS:Normal-weight girls (N = 91) were recruited at 8 yr of age according to parental body mass index (BMI): LN = girls with two lean (BMI < 25 kg.m-2) parents, LNOB = girl...

journal_title：Medicine and science in sports and exercise

authors： Treuth MS,Butte NF,Adolph AL,Puyau MR

更新日期：2004-02-01 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：INTRODUCTION:Insulin resistance in obesity is decreased after successful diet and exercise. Aerobic exercise training alone was evaluated as an intervention in subjects with the metabolic syndrome. METHODS:Eighteen nondiabetic, sedentary subjects, 11 with the metabolic syndrome, participated in 8 wk of increasing inte...

journal_title：Medicine and science in sports and exercise

authors： Stuart CA,South MA,Lee ML,McCurry MP,Howell ME,Ramsey MW,Stone MH

更新日期：2013-11-01 00:00:00

abstract：:Ten experienced weight lifters were studied to determine the influence of strenuous, free-weight, squat lift exercise on changes in plasma volume, mean arterial pressure, and the rate pressure product. After a 40-min postural adjustment prior to upright exercise, each subject completed eight sets of eight repetitions ...

journal_title：Medicine and science in sports and exercise

authors： Knowlton RG,Hetzler RK,Kaminsky LA,Morrison JJ

更新日期：1987-10-01 00:00:00

abstract：:In this study the gross efficiency of swimming was determined in a group of male (N = 6) and female (N = 4) competitive swimmers. The gross efficiency is defined as the ratio of the power output (W) to the power input (W). In a range of swimming velocities (0.95-1.6 m.s-1), the power input (rate of energy expenditure,...

journal_title：Medicine and science in sports and exercise

authors： Toussaint HM,Knops W,De Groot G,Hollander AP

更新日期：1990-06-01 00:00:00

abstract：:In "normal" conditions (e.g., normoxia, absence of pathological conditions) convective and diffusive O(2) delivery to skeletal muscle fibers do not seem to represent important determinants for the kinetics of adjustment of oxidative phosphorylation following increases in metabolic demand. Whereas a limiting role by PD...

journal_title：Medicine and science in sports and exercise

authors： Grassi B

更新日期：2005-09-01 00:00:00

abstract：PURPOSE:The purpose of this study was to identify electromyographic (EMG) differences in the latent muscle reaction timing (LMRT) of the rotator cuff between trained overhead throwers and control subjects in response to sudden internal rotation perturbation (P < or = 0.05). METHODS:Subjects included 15 trained overhea...

journal_title：Medicine and science in sports and exercise

authors： Brindle TJ,Nyland J,Shapiro R,Caborn DN,Stine R

更新日期：1999-10-01 00:00:00

abstract：:The purpose of the study was to evaluate selected parameters describing performance characteristics of a free-weight and isokinetic bench press. A secondary purpose was an attempt to clarify the technique requirements essential for a successful lift. Parameters describing the free-weight condition were generated from ...

journal_title：Medicine and science in sports and exercise

authors： Lander JE,Bates BT,Sawhill JA,Hamill J

更新日期：1985-06-01 00:00:00

abstract：PURPOSE:Cardiac troponin T (cTnT) is a highly specific marker of myocardial damage and used clinically in the diagnosis of acute myocardial infarction (AMI). Release of cTnT has been demonstrated in several small studies after endurance exercise. The purpose of this study was to explore, using a meta-analytic approach,...

journal_title：Medicine and science in sports and exercise

authors： Shave R,George KP,Atkinson G,Hart E,Middleton N,Whyte G,Gaze D,Collinson PO

更新日期：2007-12-01 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:Trunk control is essential in ballet and may be compromised in dancers with a history of low back pain (LBP) by associated changes in motor control. This study aimed to compare trunk mechanical properties between professional ballet dancers with and without a history of LBP. As a secondary aim, we assessed whet...

journal_title：Medicine and science in sports and exercise

authors： Gildea JE,VAN DEN Hoorn W,Hides JA,Hodges PW

更新日期：2015-08-01 00:00:00

abstract：PURPOSE:The objective of this study is to determine the effect of body mass index (BMI) on level of agreement between six previously established prediction equations for three commonly used accelerometers to predict summary measures of energy expenditure (EE) in youth. METHODS:One hundred and thirty-one youth between ...

journal_title：Medicine and science in sports and exercise

authors： Warolin J,Carrico AR,Whitaker LE,Wang L,Chen KY,Acra S,Buchowski MS

更新日期：2012-12-01 00:00:00

abstract：PURPOSE:This pilot work was conducted to evaluate the effects of neuromuscular electrical stimulation resistance training (RT) of the paralyzed knee extensor muscle groups on skeletal muscle and intramuscular fat (IMF) cross-sectional areas, trunk visceral adipose tissue (VAT), carbohydrate, and lipid profiles in men w...

journal_title：Medicine and science in sports and exercise

authors： Gorgey AS,Mather KJ,Cupp HR,Gater DR

更新日期：2012-01-01 00:00:00

abstract：:Relatively few studies have assessed the prospective relationship of sedentary lifestyle and coronary heart disease (CHD) in women. We performed a nested case-control study, identifying 50 cases of acute CHD in women and 150 age-matched controls. Risk factors including sedentary lifestyle, cigarette smoking, hypertens...

journal_title：Medicine and science in sports and exercise

authors： Eaton CB,Lapane KL,Garber CA,Assaf AR,Lasater TM,Carleton RA

更新日期：1995-11-01 00:00:00

abstract：INTRODUCTION:This study examined the influence of a supplement matrix on the excretion pattern of nandrolone metabolites in response to ingestion of a trace amount of 19-norandrostenedione. METHODS:Ten male and nine female volunteers (mean ± SD: age = 26 ± 3 yr, height = 1.71 ± 0.09 m, body mass = 70.9 ± 13.2 kg) were...

journal_title：Medicine and science in sports and exercise

authors： Watson P,Houghton E,Grace PB,Judkins C,Dunster PM,Maughan RJ

更新日期：2010-04-01 00:00:00

abstract：:We provide an updated version of the Compendium of Physical Activities, a coding scheme that classifies specific physical activity (PA) by rate of energy expenditure. It was developed to enhance the comparability of results across studies using self-reports of PA. The Compendium coding scheme links a five-digit code t...

journal_title：Medicine and science in sports and exercise

authors： Ainsworth BE,Haskell WL,Whitt MC,Irwin ML,Swartz AM,Strath SJ,O'Brien WL,Bassett DR Jr,Schmitz KH,Emplaincourt PO,Jacobs DR Jr,Leon AS

更新日期：2000-09-01 00:00:00

abstract：:The effects of the potent opioid, sufentanil, were studied in 11 athletes. Sufentanil was administered intravenously (up to 0.5 microgram.kg-1 over 10 min) to the subjects while they ran at 14 km.hr-1 on a level treadmill. Prior to, and after, the drug infusion, the treadmill was inclined by 6% for 4 min and CO2 was i...

journal_title：Medicine and science in sports and exercise

authors： Ward DS,Nitti GJ

更新日期：1988-12-01 00:00:00

abstract：:Although no conclusive evidence exists to suggest that vitamin supplementation improves athletic performance in nutritionally adequate individuals, exercise may increase requirements for certain vitamins in individuals with marginal vitamin stores. This review summarizes results from recent research studies of vitamin...

journal_title：Medicine and science in sports and exercise

authors： Belko AZ

更新日期：1987-10-01 00:00:00

abstract：INTRODUCTION:The significant sex disparity in sports-related knee injuries may be due to underlying differences in motor control. Although the development of sex-specific movement patterns is likely multifactorial, this study specifically focuses on the potential modulatory role of sex hormones. PURPOSE:This study aim...

journal_title：Medicine and science in sports and exercise

authors： Casey E,Hameed F,Dhaher YY

更新日期：2014-03-01 00:00:00

abstract：PURPOSE:The cold pain sensitivity in fighter pilots was studied by using a cold pressor test. METHODS:The pilots were divided into two groups: one group consisting of eight pilots (N = 8) who had experienced several acute in-flight neck pain attacks, and the control group (N = 8) who had not experienced these pain con...

journal_title：Medicine and science in sports and exercise

authors： Kemppainen P,Hämäläinen O,Könönen M

更新日期：1998-04-01 00:00:00

abstract：PURPOSE:To observe the effects of exercise training on plasminogen activator inhibitor, type-1 (PAI-1), tissue plasminogen activator (tPA), and associated metabolic variables in sedentary men and women. METHODS:A randomized, controlled experimental design was used to examine the influence of 10 d of moderate-intensity...

journal_title：Medicine and science in sports and exercise

authors： Bodary PF,Yasuda N,Watson DD,Brown AS,Davis JM,Pate RR

更新日期：2003-11-01 00:00:00

abstract：:Twenty subjects were randomly assigned to: 1) prophylactic ibuprofen (N = 5) [400 mg TID initiated 4 h before collection of baseline data and strenuous eccentric exercise bout], 2) therapeutic ibuprofen (N = 5) [400 mg TID initiated 24 h after baseline], 3) placebo (N = 5), or 4) control (N = 5). Muscle soreness perce...

journal_title：Medicine and science in sports and exercise

authors： Hasson SM,Daniels JC,Divine JG,Niebuhr BR,Richmond S,Stein PG,Williams JH

更新日期：1993-01-01 00:00:00