Time course of the adaptive responses of aerobic power and heart rate to training.

abstract：PURPOSE:Fit individuals with metabolic syndrome (MetS) have lower mortality risk compared with less fit counterparts, despite the presence of obesity as a component of the syndrome. To understand the importance of fitness in treating this condition, we examined the association of fitness and fatness with central hemody...

journal_title：Medicine and science in sports and exercise

authors： Ramos JS,Ramos MV,Dalleck LC,Borrani F,Walker KB,Fassett RG,Sharman JE,Coombes JS

更新日期：2016-08-01 00:00:00

abstract：PURPOSE AND METHODS:The isovolumic contractile responsiveness of left ventricular (LV) myocardium to altered extracellular [Ca2+], [Na+], and pacing frequency was examined using perfused hearts (37 degrees C) isolated from sedentary (SED) and treadmill-trained (TR) adult female rats. RESULTS:The suppressive effect of ...

journal_title：Medicine and science in sports and exercise

authors： Lankford EB,Korzick DH,Palmer BM,Stauffer BL,Cheung JY,Moore RL

更新日期：1998-10-01 00:00:00

abstract：UNLABELLED:Hiking is a recreational activity shown to offer significant positive effects on the human body. However, walking downhill and external load carriage have both been shown to increase the risk of musculoskeletal pain and injury. The use of hiking poles has been demonstrated to be successful in reducing forces...

journal_title：Medicine and science in sports and exercise

authors： Bohne M,Abendroth-Smith J

更新日期：2007-01-01 00:00:00

abstract：PURPOSE:Ipratropium bromide (IB) has been used to prevent exercise-induced bronchoconstriction (EIB), but its effect varies among individuals. We hypothesized that such variability may reflect individual differences in vagal activity (VA), and therefore determined whether a correlation exists between VA and the effect ...

journal_title：Medicine and science in sports and exercise

authors： Knöpfli BH,Bar-Or O,Araújo CG

更新日期：2005-03-01 00:00:00

abstract：PURPOSE:This study aimed to analyze the influence of foot strike pattern on running economy and biomechanical characteristics in subelite runners with a similar performance level. METHODS:Twenty subelite long-distance runners participated and were divided into two groups according to their foot strike pattern: rearfoo...

journal_title：Medicine and science in sports and exercise

authors： Ogueta-Alday A,Rodríguez-Marroyo JA,García-López J

更新日期：2014-03-01 00:00:00

abstract：:Psychological consequences of exercise deprivation in habitual exercisers. The purpose of this investigation was to evaluate the influence of 3 d of exercise deprivation on selected psychological variables. Ten volunteers (4 female and 6 male) who regularly exercised 6-7 d.wk-1 for at least 45 min at a time participat...

journal_title：Medicine and science in sports and exercise

authors： Mondin GW,Morgan WP,Piering PN,Stegner AJ,Stotesbery CL,Trine MR,Wu MY

更新日期：1996-09-01 00:00:00

abstract：:Since the first reported use of knee braces for prophylactic purposes in 1979, these braces have gone through a period of widespread popularity and use, followed by increasing skepticism as to their effectiveness. Early use was unsupported by significant clinical or laboratory data. Multiple studies regarding prophyla...

journal_title：Medicine and science in sports and exercise

authors： Johnston JM,Paulos LE

更新日期：1991-07-01 00:00:00

abstract：PURPOSE:To determine the prevalence of reversible airway obstruction in a group of professional football training camp participants. METHODS:All attendees at a Canadian Football League team rookie preseason training camp were invited to participate in a protocol designed to elicit symptoms and signs of reversible airw...

journal_title：Medicine and science in sports and exercise

authors： Ross RG

更新日期：2000-12-01 00:00:00

abstract：PURPOSE:Increased serum testosterone (TST) occurs in response to resistance exercise and is associated with increased muscle mass. However, the effects of elevated TST and sequential resistance exercise bouts on androgen receptor (AR) expression in humans are not well known. This study examined three sequential bouts o...

journal_title：Medicine and science in sports and exercise

authors： Willoughby DS,Taylor L

更新日期：2004-09-01 00:00:00

abstract：INTRODUCTION:Exercise with limb blood flow restriction (BFR) is a very popular exercise modality in Japan and is spreading widely to the rest of the world. The underlying principle of this training modality is that under the conditions of restricted blood flow, even low-intensity exercise can provide significant muscle...

journal_title：Medicine and science in sports and exercise

authors： Renzi CP,Tanaka H,Sugawara J

更新日期：2010-04-01 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

abstract：PURPOSE:The purpose of this study was to compare the predictive accuracy of previously published skinfold (SKF) equations for estimating body density of 134 premenopausal African-American women (18 to 40 yr). METHODS:The equations cross-validated were: the sum of seven skinfolds equation (JPW7) and the sum of three sk...

journal_title：Medicine and science in sports and exercise

authors： Irwin ML,Ainsworth BE,Stolarczyk LM,Heyward VH

更新日期：1998-11-01 00:00:00

abstract：UNLABELLED:Clinical treatment in physical rehabilitation routinely uses perceived relative forces. PURPOSE:This study used psychophysical methods to quantify subjects' errors during submaximal muscular force production. METHODS:A sample of young adult (aged 23 +/- 3 yr) females (N = 60, 62 +/- 14 kg) and males (N = 5...

journal_title：Medicine and science in sports and exercise

authors： Jackson AW,Dishman RK

更新日期：2000-02-01 00:00:00

abstract：PURPOSE:This study examined the direct, moderating, and indirect effects of dispositional optimism on the prediction of, and athletes' responses to, injury. METHODS:A 2-yr longitudinal design was conducted with a baseline sample of 694 asymptomatic participants (389 men, 305 women; mean ± SD age = 19.17 ± 1.69 yr), 10...

journal_title：Medicine and science in sports and exercise

authors： Wadey R,Evans L,Hanton S,Neil R

更新日期：2013-02-01 00:00:00

abstract：PURPOSE:To determine whether quantitative methods could separate golfers with a possible dystonic cause of the "yips" from those that appear to be nondystonic. METHODS:Twenty-seven golfers completed 10 two-handed and 10 right hand-only putts. Surface EMG assessed forearm muscle co-contraction and motion detectors moni...

journal_title：Medicine and science in sports and exercise

authors： Adler CH,Temkit M,Crews D,McDaniel T,Tucker J,Hentz JG,Marquardt C,Abraham D,Caviness JN

更新日期：2018-11-01 00:00:00

abstract：PURPOSE:The present study investigated the effects of severe-intensity interval training at a frequency of once a week on cardiorespiratory function at rest and during exercise. METHODS:Fourteen young healthy males were randomly assigned to either an interval training group or control group. Cardiorespiratory function...

journal_title：Medicine and science in sports and exercise

authors： Nakahara H,Ueda SY,Miyamoto T

更新日期：2015-04-01 00:00:00

abstract：:It has been postulated that coactivation of antagonist hamstring musculature during active knee extension aids the anterior cruciate ligament (ACL) in maintaining joint stability by exerting an opposing torque to anterior tibial displacement induced by the quadriceps. It was the purpose of this study to compare contra...

journal_title：Medicine and science in sports and exercise

authors： Osternig LR,Caster BL,James CR

更新日期：1995-06-01 00:00:00

abstract：PURPOSE:There is increased interest in developing and disseminating health behavior interventions for cancer survivors. Challenges in these efforts include participant burden in traveling to central intervention sites and sustainability. The purpose of this article is to report various methods used to recruit breast ca...

journal_title：Medicine and science in sports and exercise

authors： Rogerino A,Grant LL,Wilcox H 3rd,Schmitz KH

更新日期：2009-07-01 00:00:00

abstract：:The relationship between VO2 and velocity of running (running economy) has been rather casually dealt with until very recently, and there still remains considerable disagreement as to the importance of this variable. Various factors which have been shown, or appear, to affect running economy include environment (tempe...

journal_title：Medicine and science in sports and exercise

authors： Daniels JT

更新日期：1985-06-01 00:00:00

abstract：:This document provides an overview of selected medical issues that are important to team physicians who are responsible for the care and treatment of athletes. It is not intended as a standard of care and should not be interpreted as such. This document is only a guide and, as such, is of a general nature, consistent ...

journal_title：Medicine and science in sports and exercise

authors：

更新日期：2008-11-01 00:00:00

abstract：:For high-intensity muscular exercise, the time-to-exhaustion (t) increases as a predictable and hyperbolic function of decreasing power (P) or velocity (V ). This relationship is highly conserved across diverse species and different modes of exercise and is well described by two parameters: the "critical power" (CP or...

journal_title：Medicine and science in sports and exercise

authors： Jones AM,Vanhatalo A,Burnley M,Morton RH,Poole DC

更新日期：2010-10-01 00:00:00

abstract：PURPOSE:Compare the influence of the chemoreflex on heart rate (HR) and blood pressure (BP) responses between children and adults. METHODS:Seventy children (35 boys and 35 girls) and 70 adults (35 men and 35 women) performed 30% maximal voluntary contraction static handgrip exercise (SHG) for 3 min, followed by 4 min ...

journal_title：Medicine and science in sports and exercise

authors： Turley KR

更新日期：2005-03-01 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:The objectives of this study were to: 1) establish a database of kinematic and EMG data during cutting movements, 2) describe normal muscle function and coordination of 12 lower extremity muscles during cutting movements susceptible to ankle sprains, and 3) identify potential muscle coordination deficiencies th...

journal_title：Medicine and science in sports and exercise

authors： Neptune RR,Wright IC,van den Bogert AJ

更新日期：1999-02-01 00:00:00

abstract：:Selective beta 1-receptor blockade with atenolol (1 mg X kg-1, i.v.) was used to determine the effect of partial exercise training on diastolic coronary resistance (DCR) during sub-maximal exercise. Seven conscious dogs were studied in the untrained (UT) and partially trained (PT) conditions. The conditioning regime c...

journal_title：Medicine and science in sports and exercise

authors： Liang IY,Stone HL,Gwirtz PA

更新日期：1987-08-01 00:00:00

abstract：PURPOSE:Data from the general population suggest that habitual exercise decreases bronchial responsiveness, but the possible role of exercise in asthmatics is undefined. The leukotriene receptor antagonist montelukast decreases bronchial responsiveness and exercise-induced symptoms in asthmatic children. This randomize...

journal_title：Medicine and science in sports and exercise

authors： Bonsignore MR,La Grutta S,Cibella F,Scichilone N,Cuttitta G,Interrante A,Marchese M,Veca M,Virzi' M,Bonanno A,Profita M,Morici G

更新日期：2008-03-01 00:00:00

abstract：:Previous research on catecholamine (CA) response to exercise has linked heightened adiposity to a hypostress syndrome. In the present study a cognitive/psychomotor stressor was employed to determine whether this association exists during less metabolically challenging tasks. Moreover, because stress is manifested in a...

journal_title：Medicine and science in sports and exercise

authors： Sothmann MS,Hart BA,Horn TS

更新日期：1995-03-01 00:00:00

abstract：OBJECTIVE:To determine the optimal crank length and crank-axle height for maximum power production during standing arm cranking ("grinding"). METHODS:Nine elite professional America's Cup grinders (age = 36 +/- 2 yr, body mass = 104 +/- 1 kg, body fat = 13% +/- 2%) performed eight maximal 6-s sprints on an adjustable ...

journal_title：Medicine and science in sports and exercise

authors： Neville V,Pain MT,Kantor J,Folland JP

更新日期：2010-02-01 00:00:00

abstract：PURPOSE:Accurate and reliable measurement of physical activity plays an important role in assessing effective lifestyle interventions for obesity. This study examined reliability of accelerometer-based estimates of physical activity levels of overweight and obese adults before and after a lifestyle weight loss program....

journal_title：Medicine and science in sports and exercise

authors： Jerome GJ,Young DR,Laferriere D,Chen C,Vollmer WM

更新日期：2009-01-01 00:00:00

abstract：:The effect of glucose polymer (GP) ingestion upon endurance performance during walking exercise at 45% VO2max was examined. Also, performance on a battery of psychomotor tests was assessed to determine if exhaustion from endurance exercise was related to central nervous system dysfunction. Ten trained male subjects in...

journal_title：Medicine and science in sports and exercise

authors： Ivy JL,Miller W,Dover V,Goodyear LG,Sherman WM,Farrell S,Williams H

更新日期：1983-01-01 00:00:00