Endorphins and mood changes in long-distance running.

abstract：UNLABELLED:Closed rupture of the flexor tendon sheath has been known to occur in the elite rock climbing population. However, only one study has investigated the prevalence of this entity. PURPOSE:To examine an elite climbing group in this country for the prevalence of pulley rupture and report on other commonly occur...

journal_title：Medicine and science in sports and exercise

authors： Rohrbough JT,Mudge MK,Schilling RC

更新日期：2000-08-01 00:00:00

abstract：INTRODUCTION:Chronic unimanual motor practice increases the motor output not only in the trained but also in the nonexercised homologous muscle in the opposite limb. We examined the hypothesis that adaptations in motor cortical excitability of the nontrained primary motor cortex (iM1) and in interhemispheric inhibition...

journal_title：Medicine and science in sports and exercise

authors： Hortobágyi T,Richardson SP,Lomarev M,Shamim E,Meunier S,Russman H,Dang N,Hallett M

更新日期：2011-07-01 00:00:00

abstract：:Walking is an important form of physical activity. It is practiced by people of nearly all ages, throughout the world. Walking is an integral part of life, and there is accumulating evidence that it is essential to good health. There are many ways to measure walking including pedometers, accelerometers, trail counters...

journal_title：Medicine and science in sports and exercise

authors： Bassett DR Jr,Mahar MT,Rowe DA,Morrow JR Jr

更新日期：2008-07-01 00:00:00

abstract：INTRODUCTION:Interval exercise training can elicit physiological adaptations similar to those of traditional endurance training, but with reduced time. However, the intense nature of specific protocols, particularly the "all-out" efforts characteristic of sprint interval training (SIT), may be perceived as being aversi...

journal_title：Medicine and science in sports and exercise

authors： Stork MJ,Kwan MY,Gibala MJ,Martin Ginis KA

更新日期：2015-05-01 00:00:00

abstract：INTRODUCTION:Common life events, such as getting married or gaining employment, may be opportunities to intervene on health behaviors like physical activity. The purpose of this study was to determine the changes in moderate-to-vigorous physical activity (MVPA) associated with several common life events from adolescenc...

journal_title：Medicine and science in sports and exercise

authors： Miller J,Nelson T,Barr-Anderson DJ,Christoph MJ,Winkler M,Neumark-Sztainer D

更新日期：2019-04-01 00:00:00

abstract：BACKGROUND:The Sedentary Sphere is a method for the analysis, identification, and visual presentation of sedentary behaviors from a wrist-worn triaxial accelerometer. PURPOSE:This study aimed to introduce the concept of the Sedentary Sphere and to determine the accuracy of posture classification from wrist acceleromet...

journal_title：Medicine and science in sports and exercise

authors： Rowlands AV,Olds TS,Hillsdon M,Pulsford R,Hurst TL,Eston RG,Gomersall SR,Johnston K,Langford J

更新日期：2014-06-01 00:00:00

abstract：PURPOSE:The aim of this study was to investigate the influence of mouth rinsing a CHO-electrolyte (CHO-E) solution on 1-h running performance. A second study determined whether mouth rinsing a CHO-E solution altered the blood glucose and plasma insulin concentrations at rest. METHODS:After a 13-h fast, 10 endurance-tr...

journal_title：Medicine and science in sports and exercise

authors： Rollo I,Cole M,Miller R,Williams C

更新日期：2010-04-01 00:00:00

abstract：:The assumption that lower extremity function is bilaterally symmetrical is prevalent throughout the biomechanics literature. The unilateral development of many overuse and acute injuries may suggest that this assumption is inaccurate. Analyses of bilateral function report conflicting results and may be partially attri...

journal_title：Medicine and science in sports and exercise

authors： Schot PK,Bates BT,Dufek JS

更新日期：1994-09-01 00:00:00

abstract：PURPOSE:To determine the reliability and validity of the School Health Action, Planning and Evaluation System (SHAPES) physical activity questionnaire, a machine-readable questionnaire designed to collect data from all students in a school from grades 6 to 12 and to provide feedback to the school for planning and evalu...

journal_title：Medicine and science in sports and exercise

authors： Wong SL,Leatherdale ST,Manske SR

更新日期：2006-09-01 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：PURPOSE:Postactivation potentiation (PAP), i.e., the increase in twitch torque following a maximal voluntary conditioning contraction, has been shown to depend on muscle contractile conditions (e.g., muscle length). Few studies, however, have investigated the extent of twitch PAP under dynamic conditions in human subje...

journal_title：Medicine and science in sports and exercise

authors： Babault N,Maffiuletti NA,Pousson M

更新日期：2008-04-01 00:00:00

abstract：PURPOSE:Compelling evidence suggests larger performance decrements during hypoxic versus normoxic repeated sprinting. Yet the underlying mechanical alterations have not been thoroughly investigated. Therefore, we examined the effects of different levels of normobaric hypoxia on running mechanical performance during rep...

journal_title：Medicine and science in sports and exercise

authors： Brocherie F,Millet GP,Morin JB,Girard O

更新日期：2016-08-01 00:00:00

abstract：PURPOSE:Previous studies have suggested that higher levels of physical activity may lower lung cancer risk; however, few prospective studies have evaluated lung cancer mortality in relation to cardiorespiratory fitness (CRF), an objective marker of recent physical activity habits. METHODS:Thirty-eight thousand men, ag...

journal_title：Medicine and science in sports and exercise

authors： Sui X,Lee DC,Matthews CE,Adams SA,Hébert JR,Church TS,Lee CD,Blair SN

更新日期：2010-05-01 00:00:00

abstract：PURPOSE:The present study examined the effect of extreme old age on the plasticity of the rat plantaris muscle in response to an increase in mechanical load. METHODS:Male Fischer 344 rats, aged 7 months (adult) and 25 months (old) underwent bilateral surgical ablation of the gastrocnemius muscle to functionally overlo...

journal_title：Medicine and science in sports and exercise

authors： Linderman JK,Blough ER

更新日期：2002-07-01 00:00:00

abstract：:In the present studies, the Leuven Tennis Performance Test (LTPT), a newly developed test procedure to measure stroke performance in match-like conditions in elite tennis players, was evaluated as to its value for research purposes. The LTPT is enacted on a regular tennis court. It consists of first and second service...

journal_title：Medicine and science in sports and exercise

authors： Vergauwen L,Spaepen AJ,Lefevre J,Hespel P

更新日期：1998-08-01 00:00:00

abstract：:The serum levels of testosterone, free testosterone, prolactin, follicle-stimulating hormone (FSH), and luteinizing hormone (LH) were measured at rest, during 45 min of exercise on a bicycle ergometer at 50% of the subjects' previously determined maximal oxygen uptake (VO2max), and during a 30-min recovery period. Ten...

journal_title：Medicine and science in sports and exercise

authors： Vogel RB,Books CA,Ketchum C,Zauner CW,Murray FT

更新日期：1985-02-01 00:00:00

abstract：PURPOSE:To investigate muscle deoxygenation and neural drive-related changes during repeated cycling sprints in a fatiguing context. METHODS:Nine healthy male subjects performed a repeated-sprint test (consisting of 10 x 6-s maximal sprints interspaced by 30 s of recovery). Oxygen uptake was measured breath-by-breath;...

journal_title：Medicine and science in sports and exercise

authors： Racinais S,Bishop D,Denis R,Lattier G,Mendez-Villaneuva A,Perrey S

更新日期：2007-02-01 00:00:00

abstract：PURPOSE:To compare the cardiovascular reactivity response to mental challenge of aerobically trained and untrained preadolescent boys. METHODS:Heart rate (HR) and blood pressure, as well as stroke volume, total peripheral resistance, rate pressure product, and cardiac contractility response in 15 aerobically trained (...

journal_title：Medicine and science in sports and exercise

authors： Franks PW,Boutcher SH

更新日期：2003-08-01 00:00:00

abstract：PURPOSE:Physically active women have a reduced risk of breast cancer, but the dose of activity necessary and the role of energy balance and other potential mechanisms have not been fully explored in animal models. We examined treadmill and wheel running effects on mammary tumorigenesis and biomarkers in p53-deficient (...

journal_title：Medicine and science in sports and exercise

authors： Colbert LH,Westerlind KC,Perkins SN,Haines DC,Berrigan D,Donehower LA,Fuchs-Young R,Hursting SD

更新日期：2009-08-01 00:00:00

abstract：PURPOSE:The purpose of the present study was to examine the effect of increased protein intake on short-term decrements in endurance performance during a block of high-intensity training. METHODS:Trained male cyclists (VO(2max) = 64.2 ± 6.5 mL·kg(-1)·min(-1)) completed two 3-wk trials both divided equally into normal ...

journal_title：Medicine and science in sports and exercise

authors： Witard OC,Jackman SR,Kies AK,Jeukendrup AE,Tipton KD

更新日期：2011-04-01 00:00:00

abstract：:Acute aerobic exercise improves mood and activates the endocannabinoid (eCB) system in physically active individuals; however, both mood and eCB responses to exercise may vary based on habitual levels of physical activity. PURPOSE:This study aimed to examine eCB and mood responses to prescribed and preferred exercise...

journal_title：Medicine and science in sports and exercise

authors： Brellenthin AG,Crombie KM,Hillard CJ,Koltyn KF

更新日期：2017-08-01 00:00:00

abstract：PURPOSE:To examine serum creatine kinase (CK) activity after resistance exercise bouts with different rest intervals between sets and exercises in high responding (HR) and normal responding (NR) subjects. METHODS:During each resistance exercise bout, three sets with 10-repetition maximum (10RM) loads were completed fo...

journal_title：Medicine and science in sports and exercise

authors： Machado M,Willardson JM

更新日期：2010-07-01 00:00:00

abstract：PURPOSE:The purpose of this study was to examine the exercise dose-response issue in a sample of 121 regular exercisers categorized as relatively low, moderate, or high dosage physical activity participants. METHODS:Male and female students, faculty, and staff of a midwestern university, currently engaging in various ...

journal_title：Medicine and science in sports and exercise

authors： Lox CL,Burns SP,Treasure DC,Wasley DA

更新日期：1999-07-01 00:00:00

abstract：PURPOSE:This study aimed to examine whether long-term fish oil (FO) supplementation is associated with a lower risk of mobility disability and enhances benefits of physical activity (PA). METHODS:A total of 1635 sedentary adults age 70 to 89 yr from the Lifestyle Interventions and Independence for Elders single-blinde...

journal_title：Medicine and science in sports and exercise

authors： Balachandran A,Gundermann DM,Walkup MP,King AC,Ambrosius WT,Kritchevsky SB,Pahor M,Newman AB,Manini TM

更新日期：2020-04-01 00:00:00

abstract：INTRODUCTION:Unilateral elbow pain results in sensorimotor dysfunction that is frequently bilateral, affects local and remote upper limb muscles, and persists beyond resolution of local tendon symptoms. These characteristics suggest supraspinal involvement. Here, we investigated 1) the excitability and organization of ...

journal_title：Medicine and science in sports and exercise

authors： Schabrun SM,Hodges PW,Vicenzino B,Jones E,Chipchase LS

更新日期：2015-04-01 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：:Since many physiological, metabolic, and endocrine changes that occur during pregnancy are evident even at rest, the alterations found during exercise may not necessarily be the same as those found in the normal population. Nonetheless, the exercise-induced cardiopulmonary changes are essentially normal or slightly ex...

journal_title：Medicine and science in sports and exercise

authors： Gorski J

更新日期：1985-08-01 00:00:00

abstract：:The influence of somatotype on the validity of anthropometric prediction of body density (Db) in young women (N = 92) was investigated. Three groups of predominantly endomorph (N = 27), mesomorph (N = 35), and ectomorph (N = 30) women were identified by the Heath-Carter and Sheldon somatotyping methods. Discriminant a...

journal_title：Medicine and science in sports and exercise

authors： Bulbulian R

更新日期：1984-08-01 00:00:00

abstract：:Sudden cardiac death is always a tragedy. Sudden death during sport is particularly poignant because people tend to associate sport with health and fitness. Both the public and the medical profession would like to prevent such events, and preparticipation medical screening is often promoted as one such method. When we...

journal_title：Medicine and science in sports and exercise

authors： MacAuley D

更新日期：1998-10-01 00:00:00

abstract：:The reproducibility of the Bruce exercise test protocol for the determination of maximal aerobic activity was evaluated in sedentary older women. Seventeen women between the ages of 51 and 68 yr performed five maximal graded exercise tests to volitional fatigue on a treadmill. VO2max (mL.kg-1.min-1) values averaged 27...

journal_title：Medicine and science in sports and exercise

authors： Fielding RA,Frontera WR,Hughes VA,Fisher EC,Evans WJ

更新日期：1997-08-01 00:00:00