Metabolic requirements of interactive video game cycling.

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：PURPOSE:the objective of this study was to characterize the biomechanical effects of step rate modification during running on the hip, knee, and ankle joints so as to evaluate a potential strategy to reduce lower extremity loading and risk for injury. METHODS:three-dimensional kinematics and kinetics were recorded fro...

journal_title：Medicine and science in sports and exercise

authors： Heiderscheit BC,Chumanov ES,Michalski MP,Wille CM,Ryan MB

更新日期：2011-02-01 00:00:00

abstract：:Heavy whole-body exercise, requiring a 10- to 15-fold increase in minute ventilation, encroaches on the capacities of the respiratory muscle system to respond. Recently, using the technique of bilateral phrenic nerve stimulation, it has been shown that heavy endurance exercise (> 85% of VO2max) lasting > 8-10 min caus...

journal_title：Medicine and science in sports and exercise

authors： Johnson BD,Aaron EA,Babcock MA,Dempsey JA

更新日期：1996-09-01 00:00:00

abstract：:Two healthy females and twelve healthy males, aged 19-24 yr, underwent strength training for periods of 9-21 wk. The muscles trained included extensor digitorum brevis (N = 3), soleus (N = 7), brachioradialis (N = 4), and the hypothenar muscles (N = 3). The effect of training on motoneuron excitability was measured as...

journal_title：Medicine and science in sports and exercise

authors： Sale DG,MacDougall JD,Upton AR,McComas AJ

更新日期：1983-01-01 00:00:00

abstract：PURPOSE:Most studies that use either a single exercise session, exercise training, or a cross-sectional design have failed to find a relationship between exercise and plasma lipoprotein(a) [Lp(a)] concentrations. However, a few studies investigating the effects of longer and/or more strenuous exercise have shown elevat...

journal_title：Medicine and science in sports and exercise

authors： Durstine JL,Davis PG,Ferguson MA,Alderson NL,Trost SG

更新日期：2001-09-01 00:00:00

abstract：:Facial cooling (FC) elicits a marked bradycardia at rest that appears to be reduced during exercise. This study was done to delineate the effects of exercise mediated central command from those of muscle afferent feedback and sympathetic stimulation on the attenuation of the bradycardic effect of FC during the onset o...

journal_title：Medicine and science in sports and exercise

authors： Smith JC,Stephens DP,Winchester PK,Williamson JW

更新日期：1997-03-01 00:00:00

abstract：PURPOSE:This study aimed to determine the effect of a caffeine-containing supplement on golf-specific performance and fatigue during a 36-hole competitive golf tournament. METHODS:Twelve male golfers (34.8 ± 13.9 yr, 175.9 ± 9.3 cm, 81.23 ± 13.14 kg) with a United States Golf Association handicap of 3-10 participated ...

journal_title：Medicine and science in sports and exercise

authors： Mumford PW,Tribby AC,Poole CN,Dalbo VJ,Scanlan AT,Moon JR,Roberts MD,Young KC

更新日期：2016-01-01 00:00:00

abstract：PURPOSE:The asthmatic airway responds to exercise by bronchodilation (BD) during and bronchoconstriction (BC) after exercise. A refractory period induced by an initial exercise challenge that provides protection against BC during a subsequent exercise bout has also been observed. However, no studies examining during-ex...

journal_title：Medicine and science in sports and exercise

authors： Rundell KW,Spiering BA,Judelson DA,Wilson MH

更新日期：2003-01-01 00:00:00

abstract：PURPOSE:To compare training loads between men and women during 14 wk of British Army standard entry basic training. METHODS:Thirty-one male (mean ± SD: age, 21 ± 4 yr; height, 1.78 ± 0.08 m; mass, 77.1 ± 10.5 kg) and 28 female (age, 22 ± 4 yr; height, 1.65 ± 0.05 m; mass, 63.9 ± 8.9 kg) British Army recruits had exter...

journal_title：Medicine and science in sports and exercise

authors： O'Leary TJ,Saunders SC,McGuire SJ,Venables MC,Izard RM

更新日期：2018-12-01 00:00:00

abstract：INTRODUCTION:This study determines Chinese body segment parameters based on a magnetic resonance imaging method. METHODS:Fifty young Chinese men (21.5 ± 1.52 yr) participated in this study. Magnetic resonance images were obtained using a GE magnetic resonance imaging 1.5-T scanner with 10-mm thickness. The magnetic re...

journal_title：Medicine and science in sports and exercise

authors： Ho WH,Shiang TY,Lee CC,Cheng SY

更新日期：2013-09-01 00:00:00

abstract：INTRODUCTION/PURPOSE:Regular aerobic exercise reduces aortic stiffness. However, the mechanisms by which chronic exercise lowers arterial stiffness are not known. To determine the molecular mechanisms of these changes, the alteration of gene expression in the aorta by aerobic exercise training was measured with the mic...

journal_title：Medicine and science in sports and exercise

authors： Maeda S,Iemitsu M,Miyauchi T,Kuno S,Matsuda M,Tanaka H

更新日期：2005-10-01 00:00:00

abstract：:Physical inactivity has been linked to rates of obesity, diabetes, and heart disease through insulin resistance and other mechanisms. Although sedentary workplace environments have unintentionally contributed to the risk for chronic diseases, innovations in the workplace environment could potentially rectify this publ...

journal_title：Medicine and science in sports and exercise

authors： Han HO,Lim J,Viskochil R,Aguiar EJ,Tudor-Locke C,Chipkin SR

更新日期：2018-10-01 00:00:00

abstract：:This study investigates the utility of two equations for predicting minimum wrestling weight and three equations for predicting body density for the population of high school wrestlers. A sample of 54 wrestlers was assessed for body density by underwater weighing, residual volume by helium dilution, and selected anthr...

journal_title：Medicine and science in sports and exercise

authors： Williford HN,Smith JF,Mansfield ER,Conerly MD,Bishop PA

更新日期：1986-04-01 00:00:00

abstract：PURPOSE:To investigate the maximal physiological responses between aquatic and land-based graded exercise tests in overweight women. METHODS:Twenty healthy, overweight (body mass index (BMI) > or = 25 kg.m(-2)), Caucasian women (mean +/- SD; age 48 +/- 7 yr, BMI 30 +/- 4 kg.m(-2)) completed a deep water running (DWR) ...

journal_title：Medicine and science in sports and exercise

authors： Phillips VK,Legge M,Jones LM

更新日期：2008-05-01 00:00:00

abstract：PURPOSE:This study examines the usefulness of complementing accelerometry-based physical activity measurement with spatial data from portable global positioning system (GPS) units to determine where physical activity occurs. METHODS:First, using the geographic distribution of data points and Bland-Altman plots, we exa...

journal_title：Medicine and science in sports and exercise

authors： Rodríguez DA,Brown AL,Troped PJ

更新日期：2005-11-01 00:00:00

abstract：:Bicycling is a complex sport in which an athlete's energy cost is related to two principal forces: air resistance when traveling on flat terrain, and gravity when traveling uphill. Both wind tunnel data and physiological measurements suggest that air resistance scales as body mass to about the 1/3 power. Thus, large c...

journal_title：Medicine and science in sports and exercise

authors： Swain DP

更新日期：1994-01-01 00:00:00

abstract：:The degree of parasympathetic control of resting heart rate (PC) was assessed by measurement of variation in heart period (VHP) during cardiopulmonary synchronization of respiration. Respiratory period was arbitrarily preset and standardized at 7 heart beats (3 beats inspiration, 4 beats expiration). The mathematical ...

journal_title：Medicine and science in sports and exercise

authors： Kenney WL

更新日期：1985-08-01 00:00:00

abstract：:Forces that are repeatedly applied to the body could lead to positive remodeling of a structure if the forces fall below the tensile limit of the structure and if sufficient time is provided between force applications. On the other hand, an overuse injury could result if there is inadequate rest time between applied f...

journal_title：Medicine and science in sports and exercise

authors： Hreljac A

更新日期：2004-05-01 00:00:00

abstract：PURPOSE:This study aimed to examine the effect of altering osmolality or adding sodium alginate and pectin to a concentrated carbohydrate (CHO) beverage on gastric-emptying (GE) rate. METHODS:Boluses (500 mL) of three drinks were instilled double blind in eight healthy men while seated, GE was measured using the doubl...

journal_title：Medicine and science in sports and exercise

authors： Sutehall S,Galloway SDR,Bosch A,Pitsiladis Y

更新日期：2020-08-01 00:00:00

abstract：PURPOSE:Similar to musician's focal dystonia, a task-specific phenomenon known as yips, has also been reported in professional athletes. Yips is usually described as focal dystonia, or choking under pressure, or as lying on a continuum between both. Based on the common occupational conditions across musicians and athle...

journal_title：Medicine and science in sports and exercise

authors： Ioannou CI,Klämpfl MK,Lobinger BH,Raab M,Altenmüller E

更新日期：2018-11-01 00:00:00

abstract：INTRODUCTION:The effects of glargine/glulisine insulin regimen on exercise blood glucose (BG) and strategies to limit exercise-induced hypoglycemia are not well documented. Intermittent high-intensity exercise has been proposed to prevent hypoglycemia, but its effect in participants with type 1 diabetes using glargine/...

journal_title：Medicine and science in sports and exercise

authors： Dubé MC,Lavoie C,Weisnagel SJ

更新日期：2013-01-01 00:00:00

abstract：PURPOSE:To validate the 7-d Physical Activity Recall (PAR) telephone interview version and its activity intensity categories. METHODS:Seventy-four adults (47 women, 27 men), ranging in age (18-67) and activity levels, were interviewed by phone and in-person using the same PAR protocol. Each participant wore a TriTrac-...

journal_title：Medicine and science in sports and exercise

authors： Hayden-Wade HA,Coleman KJ,Sallis JF,Armstrong C

更新日期：2003-05-01 00:00:00

abstract：PURPOSE:This study was designed to determine changes in metabolic and cardiovascular risk factors following normobaric hypoxic exercise training in healthy men. METHODS:Following a randomized baseline maximal exercise test in hypoxia and/or normoxia, 34 physically active subjects were randomly assigned to either a nor...

journal_title：Medicine and science in sports and exercise

authors： Bailey DM,Davies B,Baker J

更新日期：2000-06-01 00:00:00

abstract：UNLABELLED:Environmental heat stress degrades aerobic performance; however, little research has focused on performance when the selected task elicits modest elevations in core body temperature (<38.5 degrees C). PURPOSE:To determine the effect of environmental heat stress, with modest hyperthermia, on aerobic performa...

journal_title：Medicine and science in sports and exercise

authors： Ely BR,Cheuvront SN,Kenefick RW,Sawka MN

更新日期：2010-01-01 00:00:00

abstract：PURPOSE:We investigated the knee-extensor torque at which reoxygenation (inflow of arterial blood) during an isometric contraction stopped, whether this torque depended on maximal torque capacity (MTC), and whether there were differences among the synergists. METHODS:Isometric knee-extension torque was measured using ...

journal_title：Medicine and science in sports and exercise

authors： de Ruiter CJ,Goudsmit JF,Van Tricht JA,de Haan A

更新日期：2007-03-01 00:00:00

abstract：:Exercise and noise exposure causes temporary hearing loss. Yet, a direct relationship may exist between cardiovascular health and hearing. The purpose of this study was to determine whether noise and exercise caused different levels of hearing loss depending on one's cardiovascular fitness. Twenty-eight volunteers wer...

journal_title：Medicine and science in sports and exercise

authors： Manson J,Alessio HM,Cristell M,Hutchinson KM

更新日期：1994-07-01 00:00:00

abstract：:Over the course of 2 yr, we prospectively studied the effect on resting metabolic rate (RMR) of multiple cycles of weight loss followed by regain in six weight cycling collegiate wrestlers (WC) (mean age = 19.0 yr) compared with 12 weight stable, physically active, nonwrestling controls (C) (mean age = 20.9 yr), whose...

journal_title：Medicine and science in sports and exercise

authors： Schmidt WD,Corrigan D,Melby CL

更新日期：1993-05-01 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:: To evaluate the initial effects of antipronation taping (APT) on foot posture and electromyographic (EMG) activity of tibialis anterior (TA), tibialis posterior (TP), and peroneus longus (PL) muscles during walking. METHODS:: Five asymptomatic individuals who exhibited lower medial longitudinal arch height o...

journal_title：Medicine and science in sports and exercise

authors： Franettovich M,Chapman A,Vicenzino B

更新日期：2008-04-01 00:00:00

abstract：INTRODUCTION:Exogenous ketones potentially provide an alternative, energetically advantageous fuel to power exercising skeletal muscle. However, there is limited evidence regarding their relative contribution to energy expenditure during exercise. Furthermore, the effect of blood ketone concentration and exercise inten...

journal_title：Medicine and science in sports and exercise

authors： Dearlove DJ,Harrison OK,Hodson L,Jefferson A,Clarke K,Cox PJ

更新日期：2020-08-28 00:00:00