Muscle fatigability and control of force in men with posttraumatic stress disorder.

abstract：PURPOSE:The objectives of this study were 1) to examine the differences between a noninjured (C) cohort of runners (N = 70) and runners afflicted with anterior knee pain (AKP) according to selected training, anthropometric, rearfoot motion, ground reaction force, and muscular strength and endurance variables; 2) to exp...

journal_title：Medicine and science in sports and exercise

authors： Duffey MJ,Martin DF,Cannon DW,Craven T,Messier SP

更新日期：2000-11-01 00:00:00

abstract：PURPOSE:Physical exercise or hypoxic exposure influences hemorheology and acid-base homeostasis. Band 3 protein in erythrocytes modulates cells' rheological properties and anion transport ability. This study investigated how cycling aerobic interval training (AIT) and moderate continuous training (MCT) affect the rheol...

journal_title：Medicine and science in sports and exercise

authors： Chou SL,Huang YC,Fu TC,Hsu CC,Wang JS

更新日期：2016-01-01 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:This study aimed to determine whether competitive intermittent exercise in the heat affects recovery, aggravates markers of muscle fiber damage, and delays the recovery of performance and muscle glycogen stores. METHODS:Plasma creatine kinase, serum myoglobin, muscle glycogen, and performance parameters (sprin...

journal_title：Medicine and science in sports and exercise

authors： Nybo L,Girard O,Mohr M,Knez W,Voss S,Racinais S

更新日期：2013-05-01 00:00:00

abstract：:The performance of the Caltrac accelerometer was studied in elementary school-age children under field and laboratory conditions. In Study 1, 35 children (20 boys, 15 girls, mean age = 10.8 yr) wore the accelerometer and a heart rate (HR) monitor for 2 d. Caltrac activity counts per hour were compared to the mean "act...

journal_title：Medicine and science in sports and exercise

authors： Sallis JF,Buono MJ,Roby JJ,Carlson D,Nelson JA

更新日期：1990-10-01 00:00:00

abstract：PURPOSE:This study aimed to quantify the repeated oxygen deficits attained during intermittent endurance exercise by measuring oxygen consumption (V˙O2) and oxygen demand (V˙O2) throughout a simulated roller ski race. METHODS:Eight male elite cross-country skiers (V˙O2peak, 77.4 ± 4.4 mL·kg⋅min) raced a 13.5-km roller...

journal_title：Medicine and science in sports and exercise

authors： Gløersen Ø,Gilgien M,Dysthe DK,Malthe-Sørenssen A,Losnegard T

更新日期：2020-04-01 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: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:This study aimed to examine the acute effect of caffeine on exercise capacity, exercise-related fatigue, and functional performance in prostate cancer survivors. METHODS:In this randomized, placebo-controlled, double-blind crossover study, 30 prostate cancer survivors (age, 70.3 ± 7.7 yr; body mass, 80.5 ± 13....

journal_title：Medicine and science in sports and exercise

authors： Cornish RS,Bolam KA,Skinner TL

更新日期：2015-03-01 00:00:00

abstract：:Ten pairs of monozygotic twins of both sexes were submitted to a 20-wk endurance-training program, four and five times per week, 40 min per session, at an average of 80% of the maximal heart rate reserve. Testing and training were performed on cycle ergometers. Maximal aerobic power (MAP in ml O2 X min-1 X kg-1) and v...

journal_title：Medicine and science in sports and exercise

authors： Prud'homme D,Bouchard C,Leblanc C,Landry F,Fontaine E

更新日期：1984-10-01 00:00:00

abstract：PURPOSE:Identify the prevalence of and traits that may increase the risk of low bone mineral density (BMD) among 93 female adolescent competitive endurance runners. METHODS:Participants were 93 high school runners, ages 13-18 yr, from southern California. Eating attitudes and behaviors were assessed using the Eating D...

journal_title：Medicine and science in sports and exercise

authors： Barrack MT,Rauh MJ,Nichols JF

更新日期：2008-12-01 00:00:00

abstract：:This 1 year study examined the effect of high impact and low impact activities on bone mineral density (BMD) at the lumbar vertebrae (L2-L4) in healthy, sedentary, early postmenopausal women. Fifteen subjects whose postmenopausal status was verified by the blood levels of follicle stimulating hormone (FSH) and estradi...

journal_title：Medicine and science in sports and exercise

authors： Grove KA,Londeree BR

更新日期：1992-11-01 00:00:00

abstract：PURPOSE:beta2 adrenergic agonists are widely used as doping agents. Their side effects on bone, especially microarchitecture, remain unknown. The purpose of this study was to evaluate the effects of chronic clenbuterol and salbutamol treatment on bones of growing rats. METHODS:Twelve-week-old Wistar female rats were d...

journal_title：Medicine and science in sports and exercise

authors： Bonnet N,Brunet-Imbault B,Arlettaz A,Horcajada MN,Collomp K,Benhamou CL,Courteix D

更新日期：2005-09-01 00:00:00

abstract：PURPOSE:The effect of exercise on body mass is likely to be partially mediated through changes in appetite control. However, no studies have examined the effect of chronic exercise on obestatin and cholecystokinin (CCK) plasma concentrations or the sensitivity to detect differences in preload energy in obese individual...

journal_title：Medicine and science in sports and exercise

authors： Martins C,Kulseng B,Rehfeld JF,King NA,Blundell JE

更新日期：2013-05-01 00:00:00

abstract：:To examine the hypothesis that the skin blood flow response to body heating is not uniform over the entire body surface, we compared forearm (FBF) and calf (CBF) blood flow responses to an increase in core temperature (esophageal temperature, Tes) during dynamic exercise. We studied 13 physically active men during sem...

journal_title：Medicine and science in sports and exercise

authors： Nishiyasu T,Shi X,Gillen CM,Mack GW,Nadel ER

更新日期：1992-02-01 00:00:00

abstract：:It is the position of the American Dietetic Association, Dietitians of Canada, and the American College of Sports Medicine that physical activity, athletic performance, and recovery from exercise are enhanced by optimal nutrition. These organizations recommend appropriate selection of foods and fluids, timing of intak...

journal_title：Medicine and science in sports and exercise

authors： American Dietetic Association.,Dietitians of Canada.,American College of Sports Medicine.,Rodriguez NR,Di Marco NM,Langley S

更新日期：2009-03-01 00:00:00

abstract：:Although no conclusive evidence exists to suggest that vitamin supplementation improves athletic performance in nutritionally adequate individuals, exercise may increase requirements for certain vitamins in individuals with marginal vitamin stores. This review summarizes results from recent research studies of vitamin...

journal_title：Medicine and science in sports and exercise

authors： Belko AZ

更新日期：1987-10-01 00:00:00

abstract：INTRODUCTION/PURPOSE:Evidence suggests that carbohydrate and protein (CHO-PRO) ingestion after exercise enhances muscle glycogen repletion to a greater extent than carbohydrate (CHO) alone. However, there is no consensus at this point, and results across studies are mixed, which may be attributable to differences in en...

journal_title：Medicine and science in sports and exercise

authors： Margolis LM,Allen JT,Hatch-McChesney A,Pasiakos SM

更新日期：2021-02-01 00:00:00

abstract：PURPOSE:Text books attribute the side pain "stitch" during exercise to changes in blood flow to the viscera, but the little available research favors stretching of visceral ligaments. We therefore induced and modified stitch experimentally to investigate its cause and possible treatments. METHODS:Ten active healthy yo...

journal_title：Medicine and science in sports and exercise

authors： Plunkett BT,Hopkins WG

更新日期：1999-08-01 00:00:00

abstract：PURPOSE:The objective of this study is to determine the effects of a caffeine-containing energy drink on female volleyball players' performance. METHODS:Thirteen elite female volleyball players ingested 3 mg·kg of caffeine with an energy drink or the same drink without caffeine (placebo drink) in a double-blind and ra...

journal_title：Medicine and science in sports and exercise

authors： Pérez-López A,Salinero JJ,Abian-Vicen J,Valadés D,Lara B,Hernandez C,Areces F,González C,Del Coso J

更新日期：2015-04-01 00:00:00

abstract：:The effects of the potent opioid, sufentanil, were studied in 11 athletes. Sufentanil was administered intravenously (up to 0.5 microgram.kg-1 over 10 min) to the subjects while they ran at 14 km.hr-1 on a level treadmill. Prior to, and after, the drug infusion, the treadmill was inclined by 6% for 4 min and CO2 was i...

journal_title：Medicine and science in sports and exercise

authors： Ward DS,Nitti GJ

更新日期：1988-12-01 00:00:00

abstract：:Hypertension is present in epidemic proportions in adults of industrialized societies and is associated with a markedly increased risk of developing numerous cardiovascular pathologies. There is a continuing debate as to the efficacy of aggressive pharmacological therapy in individuals with mild to moderate elevations...

journal_title：Medicine and science in sports and exercise

authors：

更新日期：1993-10-01 00:00:00

abstract：PURPOSE:Investigate hemodynamic responses of resistance exercise (RE) with moderate load (i.e., international guidelines for RE of patients) versus RE with high load in patients with coronary artery disease (CAD). METHODS:Medically stable male (n = 11) and female patients (n = 4) treated with PCI or percutaneous coron...

journal_title：Medicine and science in sports and exercise

authors： Gjøvaag TF,Mirtaheri P,Simon K,Berdal G,Tuchel I,Westlie T,Bruusgaard KA,Nilsson BB,Hisdal J

更新日期：2016-04-01 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：PURPOSE:Arterial distensibility decreases with age. This decrease may be associated with the initiation and/or progression of hypertension and atherosclerosis and may be attenuated by positive lifestyle habits, including habitual physical activity. We tested the hypothesis that self-reported sport, leisure, and work ph...

journal_title：Medicine and science in sports and exercise

authors： Schmitz KH,Arnett DK,Bank A,Liao D,Evans GW,Evenson KR,Stevens J,Sorlie P,Folsom AR

更新日期：2001-12-01 00:00:00

abstract：:Twenty subjects were randomly assigned to: 1) prophylactic ibuprofen (N = 5) [400 mg TID initiated 4 h before collection of baseline data and strenuous eccentric exercise bout], 2) therapeutic ibuprofen (N = 5) [400 mg TID initiated 24 h after baseline], 3) placebo (N = 5), or 4) control (N = 5). Muscle soreness perce...

journal_title：Medicine and science in sports and exercise

authors： Hasson SM,Daniels JC,Divine JG,Niebuhr BR,Richmond S,Stein PG,Williams JH

更新日期：1993-01-01 00:00:00

abstract：:We sought to determine how a stationary activity such as playing a stringed instrument may affect energy expenditure (EE) in adolescents. Using automated indirect calorimetry, we measured EE in eight adolescents (1 male, 7 females, 14.2 +/- 2.1 yr) while they each performed the following activities: watching televisio...

journal_title：Medicine and science in sports and exercise

authors： Horswill CA,Kien CL,Zipf WB

更新日期：1995-09-01 00:00:00

abstract：PURPOSE:Development of an endurance training-overtraining protocol for Wistar rats that includes increased workload and is characterized by analyses of performance and biomarkers. METHODS:The running protocol lasted 11 wk: 8 wk of daily exercise sessions followed by 3 wk of increasing training frequency (two, three, a...

journal_title：Medicine and science in sports and exercise

authors： Hohl R,Ferraresso RL,De Oliveira RB,Lucco R,Brenzikofer R,De Macedo DV

更新日期：2009-05-01 00:00:00

abstract：PURPOSE:Recent literature suggests that subconcussive impacts may influence cognitive functioning across the life span. These effects are suggested to manifest as functional and possibly structural changes. Head impact biomechanics during American football have been characterized from the high school to professional le...

journal_title：Medicine and science in sports and exercise

authors： Martini D,Eckner J,Kutcher J,Broglio SP

更新日期：2013-04-01 00:00:00

abstract：PURPOSE:To date, no study has examined the synergistic effects of a nutrition and combination of aerobic and strength training (CAST) on both adiposity and metabolic parameters in overweight Latina adolescent females. The goal was to assess if a 16-wk nutrition plus CAST pilot study had stronger effects on reducing adi...

journal_title：Medicine and science in sports and exercise

authors： Davis JN,Tung A,Chak SS,Ventura EE,Byrd-Williams CE,Alexander KE,Lane CJ,Weigensberg MJ,Spruijt-Metz D,Goran MI

更新日期：2009-07-01 00:00:00