Modeling sprint cycling using field-derived parameters and forward integration.

abstract：PURPOSE:The purpose of this study was to determine the effect of thermal stress and hydration status on immune function during exercise. METHODS:Ten trained men completed four cycle ergometer rides at 55% VO2peak under the following conditions: EN (euhydrated neutral; 22 degrees C, 30% RH), DN (dehydrated neutral), EH...

journal_title：Medicine and science in sports and exercise

authors： Mitchell JB,Dugas JP,McFarlin BK,Nelson MJ

更新日期：2002-12-01 00:00:00

abstract：INTRODUCTION AND PURPOSE:Physical inactivity in postmenopausal women contributes to a rise in atherogenic risk factors associated with the metabolic syndrome. Although regular physical activity positively contributes to health, inactivity progressively increases with age. The Dose Response to Exercise in Women aged 45-...

journal_title：Medicine and science in sports and exercise

authors： Morss GM,Jordan AN,Skinner JS,Dunn AL,Church TS,Earnest CP,Kampert JB,Jurca R,Blair SN

更新日期：2004-02-01 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：: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：:Forty male and 40 female rats were randomly assigned to 1 of 4 experimental groups. Half of the animals of each gender were exercised by jumping (weighted by a vest with up to 70% body weight) to a height of 16 cm 20 times X d-1 (30 s between jumps) 5 d X wk-1 for 8 wk. Half of the exercised animals and half of the se...

journal_title：Medicine and science in sports and exercise

authors： Leeds EM,Wilkerson JE,Brown GD,Kamen G,Bredle D

更新日期：1986-12-01 00:00:00

abstract：PURPOSE:The purpose of this investigation was to evaluate the accuracy of a new air displacement plethysmograph, BOD POD Body Composition System, for determining %fat in collegiate football players. METHODS:Body fatness was estimated from body density (Db), which was measured on the same day using the BOD POD and hydr...

journal_title：Medicine and science in sports and exercise

authors： Collins MA,Millard-Stafford ML,Sparling PB,Snow TK,Rosskopf LB,Webb SA,Omer J

更新日期：1999-09-01 00:00:00

abstract：PURPOSE:There is interest in the potential long-term use of dietary supplementation with bovine colostrum to enhance exercise performance. The purpose of the present study was to determine the dose effects of bovine colostrum on cycling performance. METHODS:Forty-two competitive cyclists were randomly divided into thr...

journal_title：Medicine and science in sports and exercise

authors： Coombes JS,Conacher M,Austen SK,Marshall PA

更新日期：2002-07-01 00:00:00

abstract：:The field of developmental neurobiology is entering a very exciting phase, in which the application of new techniques promises to lead to major advances in our understanding of basic developmental processes. There is a need to apply much of this new knowledge to problems of spinal cord and muscle development, about wh...

journal_title：Medicine and science in sports and exercise

authors： O'Donovan MJ

更新日期：1985-02-01 00:00:00

abstract：PURPOSE:To compare pacing and performance of schoolchildren between running tasks where the end point was defined in units of either distance or time. METHODS:Thirty-eight schoolchildren (age = 12.6 ± 0.5 yr, mass = 46.2 ± 7.5 kg, stature = 150 ± 7 cm) first performed a best-effort 750-m running task on a 150-m runnin...

journal_title：Medicine and science in sports and exercise

authors： Chinnasamy C,St Clair Gibson A,Micklewright D

更新日期：2013-02-01 00:00:00

abstract：:The purpose was to study the effects of skipping rate on energy expenditure and sex differences in response to rope skipping. Responses of 19 males and 11 females were measured while skipping for 5 min at 125, 135 and 145 skips . min-1. Expired air was routed through a hollow handle to collection bags to provide unint...

journal_title：Medicine and science in sports and exercise

authors： Town GP,Sol N,Sinning WE

更新日期：1980-01-01 00:00:00

abstract：PURPOSE:To assess the biologic basis of massage therapies, we developed an experimental approach to mimic Swedish massage and evaluate this approach on recovery from eccentric exercise-induced muscle damage using a well-controlled animal model. METHODS:Tibialis anterior muscles of six New Zealand White rabbits were su...

journal_title：Medicine and science in sports and exercise

authors： Butterfield TA,Zhao Y,Agarwal S,Haq F,Best TM

更新日期：2008-07-01 00:00:00

abstract：PURPOSE:Female athletes often demonstrate changes in cardiac dimensions that are less prominent than in male athletes, and results from longitudinal studies are conflicting. The atrioventricular plane displacement (AVPD) in the heart is used as an index of left ventricular systolic function with the assumption that it ...

journal_title：Medicine and science in sports and exercise

authors： Slørdahl SA,Madslien VO,Støylen A,Kjos A,Helgerud J,Wisløff U

更新日期：2004-11-01 00:00:00

abstract：:The effects of weight loss (dehydration) techniques (which mimicked techniques used prior to actual competition) used by intercollegiate wrestlers on selected physiological parameters (strength, anaerobic power, anaerobic capacity, the lactate threshold (LT), and peak aerobic power) were examined in seven intercollegi...

journal_title：Medicine and science in sports and exercise

authors： Webster S,Rutt R,Weltman A

更新日期：1990-04-01 00:00:00

abstract：PURPOSE:This study determined the effects of a single session of heavy-resistance exercise on myosin heavy-chain (MHC) mRNA expression, along with the expression of the transcription factors Myo-D, myogenin, and Id-1. METHODS:Four male subjects participated in a control group (CON) and seven in a resistance-exercise g...

journal_title：Medicine and science in sports and exercise

authors： Willoughby DS,Nelson MJ

更新日期：2002-08-01 00:00:00

abstract：PURPOSE:Tibial stress fracture is a common overuse running injury that results from the interplay of repetitive mechanical loading and bone strength. This research project aimed to determine whether female runners with a history of tibial stress fracture (TSF) differ in ground reaction force (GRF) parameters during run...

journal_title：Medicine and science in sports and exercise

authors： Bennell K,Crossley K,Jayarajan J,Walton E,Warden S,Kiss ZS,Wrigley T

更新日期：2004-03-01 00:00:00

abstract：PURPOSE:To determine whether the magnitude of improvement in athletic performance and the mechanisms driving these adaptations differ in relatively weak individuals exposed to either ballistic power training or heavy strength training. METHODS:Relatively weak men (n = 24) who could perform the back squat with proficie...

journal_title：Medicine and science in sports and exercise

authors： Cormie P,McGuigan MR,Newton RU

更新日期：2010-08-01 00:00:00

abstract：PURPOSE:To examine longitudinal change in cardiorespiratory fitness and odds of incident sleep problems. METHODS:A cohort of 7368 men and 1155 women, age 20-85 yr, was recruited from the Aerobics Center Longitudinal Study. The cohort did not complain of sleep problems, depression, or anxiety at their first clinic visi...

journal_title：Medicine and science in sports and exercise

authors： Dishman RK,Sui X,Church TS,Kline CE,Youngstedt SD,Blair SN

更新日期：2015-05-01 00:00:00

abstract：PURPOSE:This study investigated whether flexibility training would attenuate muscle damage induced by maximal eccentric exercise. METHODS:Thirty untrained young men were allocated to static stretching (SS), proprioceptive neuromuscular facilitation (PNF), or control group (n = 10 per group). The SS consisted of 30 set...

journal_title：Medicine and science in sports and exercise

authors： Chen CH,Nosaka K,Chen HL,Lin MJ,Tseng KW,Chen TC

更新日期：2011-03-01 00:00:00

abstract：INTRODUCTION:Physical endurance can be limited by muscle glycogen stores, in that glycogen depletion markedly reduces external work. During carbohydrate restriction, the liver synthesizes the ketone bodies, D-β-hydroxybutyrate, and acetoacetate from fatty acids. In animals and in the presence of glucose, D-β-hydroxybut...

journal_title：Medicine and science in sports and exercise

authors： Holdsworth DA,Cox PJ,Kirk T,Stradling H,Impey SG,Clarke K

更新日期：2017-09-01 00:00:00

abstract：PURPOSE:The purpose of the study was to investigate the core temperature responses to the induction of electrical exercise and to clarify whether an increase in temperature could be responsible for some of the observed reactions to acute and repeated exposure to electrical muscle stimulation. METHODS:The paralyzed thi...

journal_title：Medicine and science in sports and exercise

authors： Holme E,Mohr T,Kjaer M,Nielsen B

更新日期：2001-03-01 00:00:00

abstract：PURPOSE:The purpose of this study was to determine the effects of early outpatient exercise on muscle mass, function, and fractional synthetic rate in severely burned children. METHODS:Forty-seven children with ≥40% total body surface area burn performed a 12-wk standard of care rehabilitation (SOC, n = 23) or rehabil...

journal_title：Medicine and science in sports and exercise

authors： Hardee JP,Porter C,Sidossis LS,Børsheim E,Carson JA,Herndon DN,Suman OE

更新日期：2014-09-01 00:00:00

abstract：:The ventilatory threshold (VT) has been suggested as a method for determining exercise training intensity in cardiac transplant patients (CTPs). Since the VT has not been validated against the more accepted marker of the anaerobic threshold, the lactate threshold (LT), in CTPs, the purpose of this investigation was to...

journal_title：Medicine and science in sports and exercise

authors： Brubaker PH,Berry MJ,Brozena SC,Morley DL,Walter JD,Paolone AM,Bove AA

更新日期：1993-02-01 00:00:00

abstract：:Maximal lactate steady state (MLSS) refers to the upper limit of blood lactate concentration indicating an equilibrium between lactate production and lactate elimination during constant workload. The aim of the present study was to investigate whether different levels of MLSS may explain different blood lactate concen...

journal_title：Medicine and science in sports and exercise

authors： Beneke R,von Duvillard SP

更新日期：1996-02-01 00:00:00

abstract：:Acute and chronic positive mood changes have been said to occur with running and jogging. It has been suggested that endogenous substances with opioid activity (endorphins) may serve as modulators of mood. The authors report experiments in which mood changes associated with long-distance running were measured by pre- ...

journal_title：Medicine and science in sports and exercise

authors： Markoff RA,Ryan P,Young T

更新日期：1982-01-01 00:00:00

abstract：:A 23-yr-old female body builder injured her right wrist while training. A correct diagnosis of pure distal radio-ulnar dislocation, ulnar volar, was made, and reduction was successfully carried out. After removal of plaster, the patient complained of wrist pain and clicking. Surgical exploration revealed a ruptured tr...

journal_title：Medicine and science in sports and exercise

authors： Francobandiera C,Maffulli N,Lepore L

更新日期：1990-04-01 00:00:00

abstract：PURPOSE:The goal of this trial was to determine whether low-load blood flow-restricted (BFR) exercise of appendicular muscles induces a cross-transfer of effect to the trunk extensor (TE) muscles, such that low-load TE exercise would enhance TE size and function to a greater extent than standard low-load exercise in pe...

journal_title：Medicine and science in sports and exercise

authors： Ampomah K,Amano S,Wages NP,Volz L,Clift R,Ludin AFM,Nakazawa M,Law TD,Manini TM,Thomas JS,Russ DW,Clark BC

更新日期：2019-09-01 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：UNLABELLED:Ratings of perceived exertion (RPE) were developed to provide a subjective estimation of exercise intensity during exercise but are also used to produce exercise intensities and to report the intensity of completed exercise sessions. PURPOSE:To determine the relationship between RPE assessed before, during,...

journal_title：Medicine and science in sports and exercise

authors： Kilpatrick MW,Robertson RJ,Powers JM,Mears JL,Ferrer NF

更新日期：2009-03-01 00:00:00

abstract：PURPOSE:This study aimed to determine the effect of cooling progressively greater portions of the lower extremities on dynamic balance and neuromuscular activation. METHODS:Ten healthy males (22.8 ± 3.4 yr, 76.5 ± 9.1 kg) performed one room air temperature control (22.4°C ± 0.8°C) and three trials of cold water immers...

journal_title：Medicine and science in sports and exercise

authors： Montgomery RE,Hartley GL,Tyler CJ,Cheung SS

更新日期：2015-01-01 00:00:00

abstract：PURPOSES:To validate the energy expenditure estimated from The Minnesota Leisure Time Physical Activity Questionnaire (MLTPAQ) with total energy expenditure (TEE) measured by doubly labeled water (DLW), and to present and examine the validity of an extended version of the MLTPAQ with additional questions about inactivi...

journal_title：Medicine and science in sports and exercise

authors： Slinde F,Arvidsson D,Sjöberg A,Rossander-Hulthén L

更新日期：2003-11-01 00:00:00