Muscle, bone, and the Utah paradigm: a 1999 overview.

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：PURPOSE:This study determined the dose-response effects of inhaled salbutamol (SAL) on time-trial performance and urine concentrations of SAL (cSAL). METHODS:Nonasthmatic, trained male cyclists and triathletes (N = 37) were studied. Day 1 consisted of screening for airway hyperresponsiveness, using a eucapnic voluntar...

journal_title：Medicine and science in sports and exercise

authors： Sporer BC,Sheel AW,McKenzie DC

更新日期：2008-01-01 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：:The objective of the Team Physician Consensus Statement is to provide physicians, school administrators, team owners, the general public, and individuals who are responsible for making decisions regarding the medical care of athletes and teams with guidelines for choosing a qualified team physician and an outline of t...

journal_title：Medicine and science in sports and exercise

authors：

更新日期：2000-04-01 00:00:00

abstract：INTRODUCTION & PURPOSE:Obesity-related increases of weight on the chest wall are known to decrease lung volume and chest wall compliance, but the effect of this mass loading, independent of other obesity-related complications on the ventilatory response to exercise is unknown. The purpose of this study was to investiga...

journal_title：Medicine and science in sports and exercise

authors： Wang LY,Cerny FJ

更新日期：2004-05-01 00:00:00

abstract：:Ten subjects were studied to determine within-subject variance (Swi2), and its components, biovariability (Si2) and technological error (Se2) of residual lung volume (RLV). Each subject's RLV was determined 18 times using the oxygen dilution method (O2D) over a 5-day period. Se2 was measured using a 9.0 l spirometer a...

journal_title：Medicine and science in sports and exercise

authors： Marks C,Katch V

更新日期：1986-08-01 00:00:00

abstract：PURPOSE:Type 2 diabetes is associated with increased risk of cardiovascular disease and elevated C-reactive protein (CRP) levels. Aerobic exercise training has been shown to improve CRP; however, there are limited data evaluating the effect of other exercise training modalities (aerobic, resistance, or combination trai...

journal_title：Medicine and science in sports and exercise

authors： Swift DL,Johannsen NM,Earnest CP,Blair SN,Church TS

更新日期：2012-06-01 00:00:00

abstract：PURPOSE:To study the ventilatory effects of closely monitored cycle ergometer conditioning (HR target, 145-150 beats x min(-1); 25 min/session; three sessions per week) during the second and third pregnancy trimesters (TMs) in healthy human pregnancy. METHODS:Subjects were 27 previously sedentary pregnant women (exerc...

journal_title：Medicine and science in sports and exercise

authors： Ohtake PJ,Wolfe LA

更新日期：1998-01-01 00:00:00

abstract：OBJECTIVE:To examine the effect of an increase in roller ski rolling resistance on the physiological and upper body demands of roller skiing with the V2-alternate technique. METHODS:Nine highly skilled cross-country skiers roller skied at three paced speeds on a flat oval loop using roller skis with high (HiR) and low...

journal_title：Medicine and science in sports and exercise

authors： Millet GY,Hoffman MD,Candau RB,Buckwalter JB,Clifford PS

更新日期：1998-05-01 00:00:00

abstract：PURPOSE:The purpose of this study was to compare architectural characteristics of leg muscles of sprinters and distance runners. METHODS:Skeletal muscle architectural characteristics were studied in 23 elite male 100-m sprinters (SPR, 10.0-10.9 s for 100 m), 24 elite male distance runners (DR, 13.5-14.5 min for 5000 m...

journal_title：Medicine and science in sports and exercise

authors： Abe T,Kumagai K,Brechue WF

更新日期：2000-06-01 00:00:00

abstract：PURPOSE:To describe physical activity (PA) levels by race/ethnicity, age, gender, and weight status in a representative sample of US youth. METHODS:Cross-sectional data from the 2003-2004 and 2005-2006 National Health and Nutrition Examination Survey were combined and analyzed. Youth aged 6-19 yr with at least four 10...

journal_title：Medicine and science in sports and exercise

authors： Belcher BR,Berrigan D,Dodd KW,Emken BA,Chou CP,Spruijt-Metz D

更新日期：2010-12-01 00:00:00

abstract：PURPOSE:The rapidly increasing incidence of Lyme disease has become a serious public health problem. Persistent symptoms of Lyme disease occur in over 40% of the 300,000 new cases diagnosed annually in the United States and often include debilitating musculoskeletal pain, fatigue, and poor health-related quality of lif...

journal_title：Medicine and science in sports and exercise

authors： D'Adamo CR,McMillin CR,Chen KW,Lucas EK,Berman BM

更新日期：2015-11-01 00:00:00

abstract：PURPOSE:Elevated rates of cardiometabolic diseases have been observed in former American football players. The current study sought to determine whether change in body mass index (ΔBMI) after retirement influences the prevalence of CHD, diabetes, or high blood pressure (HBP) in former professional football players. ME...

journal_title：Medicine and science in sports and exercise

authors： Trexler ET,Smith-Ryan AE,Defreese JD,Marshall SW,Guskiewicz KM,Kerr ZY

更新日期：2018-04-01 00:00:00

abstract：PURPOSE:To measure the influence of vitamin E ingestion on oxidative stress and immune changes in response to the Triathlon World Championship in Kona, Hawaii. METHODS:Thirty-eight triathletes received vitamin E (VitE) (800 IU x d(-1) alpha-tocopherol) or placebo (Pla) capsules in randomized, double-blind fashion for ...

journal_title：Medicine and science in sports and exercise

authors： Nieman DC,Henson DA,McAnulty SR,McAnulty LS,Morrow JD,Ahmed A,Heward CB

更新日期：2004-08-01 00:00:00

abstract：:A previous study has shown that subjects who entrain breathing during cycling exhibit a lower oxygen consumption (VO2) compared with random breathing. We sought to investigate the hypothesis that entrainment of breathing during rowing improved biomechanical economy (reduced VO2) compared with spontaneous breathing. A ...

journal_title：Medicine and science in sports and exercise

authors： Maclennan SE,Silvestri GA,Ward J,Mahler DA

更新日期：1994-05-01 00:00:00

abstract：PURPOSE:Increasing step rate has been shown to elicit changes in joint kinematics and kinetics during running, and it has been suggested as a possible rehabilitation strategy for runners with patellofemoral pain. The purpose of this study was to determine how altering step rate affects internal muscle forces and patell...

journal_title：Medicine and science in sports and exercise

authors： Lenhart RL,Thelen DG,Wille CM,Chumanov ES,Heiderscheit BC

更新日期：2014-03-01 00:00:00

abstract：:A 19-yr-old college football player presents with a 1.5-yr history of right shoulder pain and associated easy fatigability of the right arm. The history is significant for an automobile accident 3 yr prior to presentation in which the right shoulder struck the dashboard of the car. An extensive workup proved unremarka...

journal_title：Medicine and science in sports and exercise

authors： Tucker AM

更新日期：1994-03-01 00:00:00

abstract：OBJECTIVES:To examine if the associations between motor competence and physical activity and musculoskeletal fitness change over time, whether motor competence is associated with longitudinal trajectories of physical activity and fitness, and mediating pathways among these constructs across early childhood. METHODS:Fo...

journal_title：Medicine and science in sports and exercise

authors： King-Dowling S,Proudfoot NA,Cairney J,Timmons BW

更新日期：2020-11-01 00:00:00

abstract：:Previous studies have suggested that, for the same power output, arm exercise requires higher oxygen uptake (VO2), carbon dioxide output (VCO2), and ventilation (VE) than leg exercise and that response kinetics are slower. To evaluate these differences, four healthy subjects performed a total of 95 arm cranking tests....

journal_title：Medicine and science in sports and exercise

authors： Casaburi R,Barstow TJ,Robinson T,Wasserman K

更新日期：1992-12-01 00:00:00

abstract：PURPOSE:Studies have shown that the classical sit-and-reach (CSR) test, the modified sit-and-reach (MSR), and the newly developed back-saver sit-and-reach (BS) test have poor criterion-related validity in estimating low-back flexibility but yielded moderate criterion-related validity in hamstring flexibility. The V sit...

journal_title：Medicine and science in sports and exercise

authors： Hui SS,Yuen PY

更新日期：2000-09-01 00:00:00

abstract：PURPOSE:We investigated ethnic differences in areal bone mineral density (aBMD; g x cm(-2)) and its determinants at two levels of maturity in Asian- and Caucasian-Canadian girls. METHODS:Participants were 131 Asian (26 Tanner breast stage I (aTI) and 30 Tanner II (aTII)), and Caucasian (30 Tanner I (cTI) and 45 Tanner...

journal_title：Medicine and science in sports and exercise

authors： Mackelvie KJ,McKay HA,Khan KM,Crocker PR

更新日期：2001-11-01 00:00:00

abstract：:The Age Discrimination in Employment Act has raised the issue of Bona Fide Occupational Qualifications for employment in the public safety sector. Complicating the issue is the number of lawsuits filed for violation of the Age Discrimination in Employment Act. Physical performance testing as an alternative to arbitrar...

journal_title：Medicine and science in sports and exercise

authors： Davis PO,Dotson CO

更新日期：1987-04-01 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:Highly trained endurance athletes train and race at relatively high intensities and are often confronted with challenges throughout a running event. The purpose of this study was to examine the effects of the anticipation of a proposed challenge on effort sense, heart rate (HR), ventilation ([dotVE), and ventil...

journal_title：Medicine and science in sports and exercise

authors： Acevedo EO,Dzewaltowski DA,Kubitz KA,Kraemer RR

更新日期：1999-10-01 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：:A primary goal of studies of successful aging is to identify the modifiable factors related to the plasticity of higher physical function; however, little is known about the relationship between habitual physical activity (especially that of lower- to moderate-intensity) and the maintenance of day-to-day functioning i...

journal_title：Medicine and science in sports and exercise

authors： DiPietro L

更新日期：1996-05-01 00:00:00

abstract：:Low-intensity exercise (less than or equal to 50% VO2max) has been demonstrated to produce heat acclimation (HA) in trained subjects. The purpose of this study was to determine whether shorter-duration, moderate-intensity exercise would also result in HA. Nine trained runners performed two 9-d exercise heat-stress pro...

journal_title：Medicine and science in sports and exercise

authors： Houmard JA,Costill DL,Davis JA,Mitchell JB,Pascoe DD,Robergs RA

更新日期：1990-10-01 00:00:00

abstract：PURPOSE:The purposes of this study was to determine functional movement assessments' ability to predict head impact biomechanics in college football players and to determine whether head impact biomechanics could explain preseason to postseason changes in functional movement performance. METHODS:Participants (N = 44; ...

journal_title：Medicine and science in sports and exercise

authors： Ford JM,Campbell KR,Ford CB,Boyd KE,Padua DA,Mihalik JP

更新日期：2018-06-01 00:00:00

abstract：PURPOSE:This study investigated whether natural killer (NK) cells and CD8+ T cells expressing cutaneous lymphocyte antigen (CLA)-a homing molecule for endothelial cell leukocyte adhesion molecule 1, which enables transmigration to the skin-are selectively mobilized in response to acute exercise. METHODS:Nine healthy m...

journal_title：Medicine and science in sports and exercise

authors： Turner JE,Wadley AJ,Aldred S,Fisher JP,Bosch JA,Campbell JP

更新日期：2016-07-01 00:00:00

abstract：:Laboratory studies using direct calorimetry, a technique which is no longer either rare or difficult, have shown no essential differences between men and women who gain weight easily and the always lean. Both groups gained weight similarly when overeating by 1,000 kcal X d-1. Thermogenic responses to eating and the en...

journal_title：Medicine and science in sports and exercise

authors： Webb P

更新日期：1986-02-01 00:00:00