Blood pressure changes following aerobic exercise in Caucasian and Chinese descendants.

abstract：:The reproducibility of performance in a laboratory test impacts on the statistical power of that test to detect changes of performance in experiments. The purpose of this study was to determine the reproducibility of performance of distance runners completing a 60 min time trial (TT) on a motor-driven treadmill. Eight...

journal_title：International journal of sports medicine

authors： Schabort EJ,Hopkins WG,Hawley JA

更新日期：1998-01-01 00:00:00

abstract：:The purpose of this study was to analyse intramuscular perfusion response in ultrastructural muscle lesions, by applying contrast-enhanced ultrasound (CEUS) to a delayed onset muscle soreness (DOMS) model. Results of this analysis were compared to high-resolution 3 Tesla MRI T2-weighted sequences. 14 healthy participa...

journal_title：International journal of sports medicine

authors： Kellermann M,Heiss R,Swoboda B,Gelse K,Freiwald J,Grim C,Nagel A,Uder M,Wildner D,Hotfiel T

更新日期：2017-10-01 00:00:00

abstract：:The aim of this study was to examine the relationship between anthropometry, physical capacity, and sprint swimming performance in swimmers of both genders aged 12 - 14 years old. Anthropometric characteristics (body height and mass, total upper extremity, hand and foot lengths, chest circumference, certain body bread...

journal_title：International journal of sports medicine

authors： Geladas ND,Nassis GP,Pavlicevic S

更新日期：2005-03-01 00:00:00

abstract：:Over the past 25 years sport climbing has developed from an elite extreme sport subculture pursued by few into a mainstream recreational sport enjoyed globally by climbers of all ages, climbing abilities, and with pre-existing health conditions. As the demands and grades of climbing difficulty have increased over this...

journal_title：International journal of sports medicine

authors： Kuepper T,Morrison A,Gieseler U,Schoeffl V

更新日期：2009-06-01 00:00:00

abstract：:Intermittent pneumatic compression (IPC) has gained rapid popularity as a post-exercise recovery modality. Despite its widespread use and anecdotal claims for enhancing muscle recovery there is no scientific evidence to support its use. 10 healthy, active males performed a strenuous bout of eccentric exercise (3 sets ...

journal_title：International journal of sports medicine

authors： Cochrane DJ,Booker HR,Mundel T,Barnes MJ

更新日期：2013-11-01 00:00:00

abstract：:Food restriction has a great impact on skeletal muscle mass by inducing muscle protein breakdown to provide substrates for energy production through gluconeogenesis. Genetic models of hyper-muscularity interfere with the normal balance between protein synthesis and breakdown which eventually results in extreme muscle ...

journal_title：International journal of sports medicine

authors： Matsakas A,Romanello V,Sartori R,Masiero E,Macharia R,Otto A,Elashry M,Sandri M,Patel K

更新日期：2013-03-01 00:00:00

abstract：:This study investigated sex-specific effects of surface instability on kinetics and lower extremity kinematics during drop jumping and landing. Ground reaction forces as well as knee valgus and flexion angles were tested in 14 males (age: 23±2 years) and 14 females (age: 24±3 years) when jumping and landing on stable ...

journal_title：International journal of sports medicine

authors： Prieske O,Muehlbauer T,Krueger T,Kibele A,Behm D,Granacher U

更新日期：2015-01-01 00:00:00

abstract：:Dietary intake, plasma lipids, lipoprotein and apolipoprotein levels, anthropometric measurements and anaerobic performance were studied in eleven judo athletes during a period of weight maintenance (T1) and after a 7d food restriction (T2). Dietary data were collected using a 7-day diet record. Nutrient analysis indi...

journal_title：International journal of sports medicine

authors： Filaire E,Maso F,Degoutte F,Jouanel P,Lac G

更新日期：2001-08-01 00:00:00

abstract：:Bike shock absorption systems reduce the energy variation induced by terrain irregularities, leading to a greater comfort. However, they may also induce an increase in energy expenditure for the rider. More specifically, cross-country racers claim that rear shock absorption systems generate significant energy loss. Th...

journal_title：International journal of sports medicine

authors： Nielens H,Lejeune TM

更新日期：2001-08-01 00:00:00

abstract：:This study investigated the validity of the CSA activity monitor for assessment of the total amount of physical activity in adolescent athletes. Activity data were compared to data on daily energy expenditure and its derivatives measured by the doubly labeled water method. Seven athletes (speed skaters) with a mean ag...

journal_title：International journal of sports medicine

authors： Ekelund U,Yngve A,Sjöström M,Westerterp K

更新日期：2000-11-01 00:00:00

abstract：:Muscle contusions represent a major part of sports injuries. The suggested treatments are generally sufficient to support muscle healing, but require a relatively long period of time. Given that autologous blood products are safe treatments, we have used a technique which stimulates the release of certain growth facto...

journal_title：International journal of sports medicine

authors： Wright-Carpenter T,Opolon P,Appell HJ,Meijer H,Wehling P,Mir LM

更新日期：2004-11-01 00:00:00

abstract：:Here, we compared the maximal lactate steady state velocity (vMLSS) estimated from a single-visit protocol (v5×2000) to the traditional multi-day protocol (vMLSS). Furthermore, we determined whether there was a lactate steady state during the time limits (Tlim) at vMLSS or v5×2000. Eight runners completed a half marat...

journal_title：International journal of sports medicine

authors： Legaz-Arrese A,Carranza-García LE,Serrano-Ostáriz E,González-Ravé JM,Terrados N

更新日期：2011-11-01 00:00:00

abstract：:The purpose of this report is to study serotonin reuptake of the brain in a severely overtrained athlete by using single-photon emission computed tomography (SPECT). A 26-year-old team athlete increased his training volume (by 200 %) and intensity markedly in a new high-level team. After two months, he started to feel...

journal_title：International journal of sports medicine

authors： Uusitalo AL,Valkonen-Korhonen M,Helenius P,Vanninen E,Bergström KA,Kuikka JT

更新日期：2004-02-01 00:00:00

abstract：:Recompression during decompression has been suggested to possibly reduce the risk of decompression sickness (DCS). The main objective of the current study was to investigate the effects of FLIRT (First Line Intermittent Recompression Technique) on bubble detection in man. 29 divers underwent 2 simulated dives in a dry...

journal_title：International journal of sports medicine

authors： Winkler BE,Koch A,Schoeppenthau H,Ludwig T,Tetzlaff K,Hartig F,Kaehler W,Koehler A,Kanstinger A,Ciscato W,Muth CM

更新日期：2012-11-01 00:00:00

abstract：:Considerable interindividual variation in the response of blood pressure to exercise has been found. In this study the response of systolic blood pressure during a progressive maximal bicycle ergometer test was investigated in 747 physically active male subjects over age of 40 years with normal, borderline elevated, a...

journal_title：International journal of sports medicine

authors： Wijnen JA,van Baak MA,Tan ES,Bovens AM,Vrencken JG,Verstappen FT

更新日期：1988-12-01 00:00:00

abstract：:It has been shown that bouts of high-intensity exercise may reduce subcutaneous adipose tissue more than low-intensity exercise. The aim of the present study was to examine if a discontinuous training protocol is more successful in reducing adipose tissue than a continuous endurance training protocol. Fourteen untrain...

journal_title：International journal of sports medicine

authors： Mäder U,Roth P,Furrer R,Brêchet JP,Boutellier U

更新日期：2001-07-01 00:00:00

abstract：:T-lymphocytes were determined by rosette formation with sheep erythrocytes in the peripheral blood obtained from 30 healthy aged subjects who were practicing Taichiquan (88 style) exercise and 30 age-matched normal aged who served as a control group. At rest the total number of T-lymphocytes and the number of active T...

journal_title：International journal of sports medicine

authors： Sun XS,Xu Y,Xia YJ

更新日期：1989-06-01 00:00:00

abstract：:It has been suggested that lactate concentrations may provide a guide to an optimal training intensity. However, lactate concentrations established during incremental exercise in the laboratory are not always indicative of what is occurring during constant-load exercise at the same intensity. Ideally, lactate concentr...

journal_title：International journal of sports medicine

authors： Bishop D

更新日期：2001-10-01 00:00:00

abstract：:The purpose of this study was to analyse adaptations in propulsion technique and gross efficiency in novice able-bodied subjects during the initial phase of learning hand-rim wheelchair propulsion to music. 22 able bodied participants performed wheelchair propulsion (1.1 m·s(-1)) followed by a VO(2) peak test on a whe...

journal_title：International journal of sports medicine

authors： Goosey-Tolfrey VL,West M,Lenton JP,Tolfrey K

更新日期：2011-02-01 00:00:00

abstract：:Participation in aerobic dance is associated with a number of lower extremity injuries, and abnormal joint loading seems to be a factor in these. However, information on joint loading is limited. The purpose of this study was to investigate the kinetics of the lower extremity in step aerobic dance and to compare the d...

journal_title：International journal of sports medicine

authors： Wu HW,Hsieh HM,Chang YW,Wang LH

更新日期：2012-11-01 00:00:00

abstract：:Haemostasis has been studied by several authors during exposure to altitude hypoxia. On acute induction to hypoxia, platelet count, platelet aggregability and bleeding time are normal; an increase of thromboxane released from platelets and of prostacyclin, released from endothelial cells is observed; coagulation facto...

journal_title：International journal of sports medicine

authors： Le Roux G,Larmignat P,Marchal M,Richalet JP

更新日期：1992-10-01 00:00:00

abstract：:The effects of long distance running training (up to 40km/day) on the biomechanical properties of young canine articular cartilage were investigated using in situ indentation creep technique. The stiffness of articular cartilage was determined in the form of instantaneous and equilibrium shear moduli. The rate of cart...

journal_title：International journal of sports medicine

authors： Arokoski J,Jurvelin J,Kiviranta I,Tammi M,Helminen HJ

更新日期：1994-07-01 00:00:00

abstract：:The objective of our study was to evaluate the effect of taping on the dynamic postural stability during a jump landing protocol in subjects with chronic ankle instability (CAI). For this purpose, 28 subjects with CAI performed a sagittal and frontal plane landing task in a non-taped and taped condition. As main outco...

journal_title：International journal of sports medicine

authors： De Ridder R,Willems TM,Vanrenterghem J,Roosen P

更新日期：2015-04-01 00:00:00

abstract：:The purpose of the present study was to test the hypothesis that large increases in blood lactate concentration ([La] (b)) and/or body temperature may occur during an endurance training on a rowing ergometer and disrupt training. The influence of an increase in air convection on the capacity to perform a prolonged exe...

journal_title：International journal of sports medicine

authors： Maciejewski H,Messonnier L,Moyen B,Bourdin M

更新日期：2007-11-01 00:00:00

abstract：BACKGROUND:In international cycling and cross-country skiing competitions, blood tests are used to unmask the performance enhancing misuse of erythropoietin. Haematocrit (cycling) and haemoglobin (cross-country skiing) limits have been set by international sporting federations (haematocrit 50%, haemoglobin 18.5 g/dl). ...

journal_title：International journal of sports medicine

authors： Schumacher YO,Grathwohl D,Barturen JM,Wollenweber M,Heinrich L,Schmid A,Huber G,Keul J

更新日期：2000-07-01 00:00:00

abstract：:Controversy exists as to whether plasma volume (PV) expansion has the potential to increase maximal oxygen uptake (VO2max). In the present study, VO2max and exercise time to fatigue were measured in nine untrained men when plasma volume (PV) was normal and then again on the next day following two levels of PV expansio...

journal_title：International journal of sports medicine

authors： Coyle EF,Hopper MK,Coggan AR

更新日期：1990-04-01 00:00:00

abstract：:This study was designed to assess the effects of Ramadan-intermittent-fasting (RIF) and time-of-day on muscle power and fatigue during the Wingate test. In a randomized design, 10 football players completed a Wingate test at 07:00 and 17:00 h on 3 different occasions: one week before Ramadan (BR), the second week of R...

journal_title：International journal of sports medicine

authors： Chtourou H,Hammouda O,Chaouachi A,Chamari K,Souissi N

更新日期：2012-02-01 00:00:00

abstract：:Between the years 1977 and 1984, four javelin throwers with a stress fracture of the olecranon were seen and treated. In one patient, acute painful dislocation of the fracture occurred during a competitive throw. Two patients had stress fracture of the tip. The fracture treated conservatively healed in 18 months. The ...

journal_title：International journal of sports medicine

authors： Hulkko A,Orava S,Nikula P

更新日期：1986-08-01 00:00:00

abstract：:The ratio between the amount of hemoglobin in the mature erythrocyte population and the reticulocytes (RBCHb:RetHb ratio) has previously been suggested as a marker to screen for EPO-abuse. We speculated that the reinfusion of blood would lead to a marked increase in this ratio, making it a valuable parameter in the sc...

journal_title：International journal of sports medicine

authors： Mørkeberg J,Belhage B,Ashenden M,Bornø A,Sharpe K,Dziegiel MH,Damsgaard R

更新日期：2009-04-01 00:00:00

abstract：:The between-days variability in ascertained gain factors for calibration of a wearable respiratory inductance plethysmograph (RIP) and validity thereof for the repeated use during exercise were examined. Consecutive 5-min periods of standing still, slow running at 8 km·h(-1), fast running at 14 km·h(-1) (male) or 12 k...

journal_title：International journal of sports medicine

authors： Heyde C,Mahler H,Roecker K,Gollhofer A

更新日期：2015-01-01 00:00:00