Categorizing 10 Sports According to Bone and Soft Tissue Profiles in Adolescents.

abstract：PURPOSE:To determine whether females with chronic ankle instability (CAI) demonstrated decreased dynamic postural stability compared with controls in the anterior, lateral, and medial jump directions. METHODS:Individuals with CAI (n = 24) reported a history of moderate to severe ankle sprain, two or more episodes of g...

journal_title：Medicine and science in sports and exercise

authors： Brown CN,Bowser B,Orellana A

更新日期：2010-12-01 00:00:00

abstract：OBJECTIVE:This study investigated the contributions of physical fitness and body composition to 24-h fat oxidation in adults under sedentary conditions in a whole-room calorimeter. METHODS:The following measurements were studied in 109 adults (49 male/45 female) at least 36 h after a bout of exercise: 1) aerobic fitne...

journal_title：Medicine and science in sports and exercise

authors： Kriketos AD,Sharp TA,Seagle HM,Peters JC,Hill JO

更新日期：2000-04-01 00:00:00

abstract：UNLABELLED:High-speed auto racing has been demonstrated to produce accelerated heart rate (HR) during competition. However, it has not been determined whether the increase in HR was due to physical work efforts or a result of emotional stress. PURPOSE:The purpose of this investigation was to examine the physiological ...

journal_title：Medicine and science in sports and exercise

authors： Jacobs PL,Olvey SE,Johnson BM,Cohn K

更新日期：2002-12-01 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: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：:Influence of post-surgery time after cardiac transplantation on exercise responses. Med. Sci. Sports Exerc., Vol. 28, No. 2, pp. 171-175, 1996. To test the hypothesis that exercise response changes with time after cardiac transplantation, we investigated the cardiorespiratory responses of nine orthotopic heart transpl...

journal_title：Medicine and science in sports and exercise

authors： Mercier J,Ville N,Wintrebert P,Caillaud C,Varray A,Albat B,Thévenet A,Préfaut C

更新日期：1996-02-01 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：PURPOSE:To describe the level of usage of protective devices and equipment in a cohort of New Zealand rugby players. METHODS:Male and female players (N = 327) from a range of competitive grades were followed over the course of the season. Participants were interviewed weekly about their participation in rugby and use ...

journal_title：Medicine and science in sports and exercise

authors： Marshall SW,Waller AE,Loomis DP,Feehan M,Chalmers DJ,Bird YN,Quarrie KL

更新日期：2001-12-01 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：INTRODUCTION:It is well established that hemodynamic dysfunction, resulting in diminished upper-extremity work capacity, occurs in persons with spinal cord injury (SCI) as compared with those who are nondisabled (ND). Although it has been shown that persons with paraplegia display higher values of heart rate (HR) with ...

journal_title：Medicine and science in sports and exercise

authors： Jacobs PL,Mahoney ET,Robbins A,Nash M

更新日期：2002-09-01 00:00:00

abstract：PURPOSE:A cyclical operational model is proposed to examine the interrelationship of a number of factors that are involved in sports injury epidemiology. In sports injury research, investigations often attempt to identify a unique risk factor that distinguishes an injured player. However, a wide variety of factors can ...

journal_title：Medicine and science in sports and exercise

authors： Gissane C,White J,Kerr K,Jennings D

更新日期：2001-12-01 00:00:00

abstract：PURPOSE:Studies have demonstrated that a combination of mental and physical challenge can elicit exacerbated state anxiety, effort sense, and cortisol responses above that of a single stimulus. However, an analysis of the effects of aerobic fitness on the responses of cortisol to concurrent mental and physical stress b...

journal_title：Medicine and science in sports and exercise

authors： Webb HE,Rosalky DS,Tangsilsat SE,McLeod KA,Acevedo EO,Wax B

更新日期：2013-02-01 00:00:00

abstract：:Physical activity has been shown to be inversely related to coronary heart disease (CHD). The role of high density lipoprotein (HDL) particles in the process of reverse cholesterol transport may be a link between exercise and the prevention of CHD. The aim of the present study was to evaluate the effects of acute exer...

journal_title：Medicine and science in sports and exercise

authors： Campaigne BN,Fontaine RN,Park MS,Rymaszewski ZJ

更新日期：1993-12-01 00:00:00

abstract：:Canine skeletal muscle preparations in situ contain varying mixtures of fast and slow fatigue resistant fibers. All vessels on the arterial side of the vascular bed in these preparations from the conduit arteries to the arterioles contribute to the vascular resistance. The vascular beds autoregulate at rest and during...

journal_title：Medicine and science in sports and exercise

authors： Barclay JK

更新日期：1988-10-01 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：PURPOSE:Temperature increase, oxidative stress, and inflammatory reactions after endurance exercise were expected to stimulate the synthesis of heat shock proteins (HSP) in peripheral blood leukocytes. Furthermore, it was of interest whether regular endurance training influences HSP expression. METHODS:The expression ...

journal_title：Medicine and science in sports and exercise

authors： Fehrenbach E,Passek F,Niess AM,Pohla H,Weinstock C,Dickhuth HH,Northoff H

更新日期：2000-03-01 00:00:00

abstract：PURPOSE:Physical activity questionnaires (PAQs) are considered the most cost-efficient method to estimate total energy expenditure (TEE) in epidemiological studies. However, relatively few PAQs have been validated using doubly labeled water (DLW) in women or in samples with diverse ethnic backgrounds. This study was co...

journal_title：Medicine and science in sports and exercise

authors： Staten LK,Taren DL,Howell WH,Tobar M,Poehlman ET,Hill A,Reid PM,Ritenbaugh C

更新日期：2001-11-01 00:00:00

abstract：PURPOSE:The purpose of this study was to determine whether muscle power, activation time, and neuromuscular stimulation are related to physical activity patterns in older women. METHODS:Forty women (65-84 yr) were assigned to high-active (HA) and low-active (LA) groups on the basis of a historical activity questionnai...

journal_title：Medicine and science in sports and exercise

authors： Laroche DP,Knight CA,Dickie JL,Lussier M,Roy SJ

更新日期：2007-09-01 00:00:00

abstract：:The purpose of this study was to assess the relationship between the isometric and isokinetic peak torque (PT) (speed of movement 0, 60, and 180 degrees.s-1) and the peak torque acceleration energy (PTAE) and average power (AP) of multiple contractions (180 degrees.s-1) of the quadriceps and hamstrings in 38 patients ...

journal_title：Medicine and science in sports and exercise

authors： Kannus P,Järvinen M

更新日期：1989-06-01 00:00:00

abstract：PURPOSE:It is unclear how muscle strength in tibial rotation and knee abduction change following anterior cruciate ligament (ACL) injury and reconstruction. Such strength changes are likely, considering the oblique orientation of the ACL and the constraint provided by the ACL at various tibial rotation and adduction po...

journal_title：Medicine and science in sports and exercise

authors： Zhang LQ,Nuber GW,Bowen MK,Koh JL,Butler JP

更新日期：2002-01-01 00:00:00

abstract：INTRODUCTION:Exercise-induced bronchoconstriction (EIB) is thought to result from osmotic and thermal events of air conditioning during exercise at high ventilation rates. The purpose of this study was to evaluate lung function after exercise and eucapnic voluntary hyperventilation (EVH) while breathing both room-tempe...

journal_title：Medicine and science in sports and exercise

authors： Evans TM,Rundell KW,Beck KC,Levine AM,Baumann JM

更新日期：2005-04-01 00:00:00

abstract：PURPOSE:Dual-energy x-ray absorptiometry (DXA) is becoming a popular tool to measure body composition in athletes, owing to its ease of operation and comprehensive analysis of body composition. This study represents the first systematic investigation of the reliability of DXA measurements of body composition in trained...

journal_title：Medicine and science in sports and exercise

authors： Nana A,Slater GJ,Hopkins WG,Burke LM

更新日期：2012-01-01 00:00:00

abstract：PURPOSE:To investigate the use of Tritrac accelerometers to measure energy expenditure (EE) of various activities for women in the field setting, as compared with portable indirect calorimetry. METHODS:Twenty women (age 20-29) performed a choreographed routine of six activities (walking, jogging, stair climbing, walki...

journal_title：Medicine and science in sports and exercise

authors： Campbell KL,Crocker PR,McKenzie DC

更新日期：2002-10-01 00:00:00

abstract：PURPOSE:We evaluated the impact of anthracyclines on left ventricular function and myocardial tissue characteristics using cardiovascular magnetic resonance (CMR) imaging to determine their relationship with V˙O2peak. METHODS:Women with breast cancer who had not yet received treatment (No-AT, n = 16) and had received ...

journal_title：Medicine and science in sports and exercise

authors： Kirkham AA,Paterson DI,Haykowsky MJ,Beaudry RI,Mackey JR,Pituskin E,Grenier JG,Thompson RB

更新日期：2021-02-01 00:00:00

abstract：PURPOSE:This study tested the hypothesis that exercise training improves myocardial blood flow and regional myocardial contractile function in a lateral border zone located adjacent to the ischemic zone during coronary artery occlusion. METHODS:Fourteen dogs were subjected to either 12 wk of dynamic exercise training ...

journal_title：Medicine and science in sports and exercise

authors： Brandt MA,Gwirtz PA

更新日期：2001-04-01 00:00:00

abstract：PURPOSE:Compare the influence of the chemoreflex on heart rate (HR) and blood pressure (BP) responses between children and adults. METHODS:Seventy children (35 boys and 35 girls) and 70 adults (35 men and 35 women) performed 30% maximal voluntary contraction static handgrip exercise (SHG) for 3 min, followed by 4 min ...

journal_title：Medicine and science in sports and exercise

authors： Turley KR

更新日期：2005-03-01 00:00:00

abstract：PURPOSE:The objectives of the present study were to examine gender differences and between-day variability of isometric hamstring muscle peak torque and perceived exertion. METHODS:Subjects included 20 healthy, college-aged male (N = 10) and female (N = 10) volunteers. Each subject completed five maximal voluntary iso...

journal_title：Medicine and science in sports and exercise

authors： Pincivero DM,Campy RM,Coelho AJ

更新日期：2003-10-01 00:00:00

abstract：:The extent of the growth changes in maximal work output during 10 s (MWO10), 30 s (MWO30), and 90 s (MWO90) of maximal repetitive knee flexions and extensions assessed on a modified Hydra-Gym machine was investigated in 84 boys and 83 girls, 9-19 yr of age. Body weight, fat mass and fat free mass by underwater weighin...

journal_title：Medicine and science in sports and exercise

authors： Saavedra C,Lagassé P,Bouchard C,Simoneau JA

更新日期：1991-09-01 00:00:00

abstract：:Chronically increased contractile activity by low-frequency stimulation induces a transformation of fast- into slow-twitch muscle fibers in the rabbit. This transformation is progressive with the duration of the stimulation and affects various functional systems of the muscle fiber in an orderly sequence. Early change...

journal_title：Medicine and science in sports and exercise

authors： Pette D

更新日期：1984-12-01 00:00:00

abstract：BACKGROUND:Recently, triaxial raw acceleration accelerometers have become available from GENEActiv and ActiGraph; both are designed for wrist and hip wear. It is important to determine whether the output from these monitors is comparable with the wealth of data already collected from the hip-worn, epoch-based, uniaxial...

journal_title：Medicine and science in sports and exercise

authors： Rowlands AV,Rennie K,Kozarski R,Stanley RM,Eston RG,Parfitt GC,Olds TS

更新日期：2014-12-01 00:00:00