Perception of effort in female and male competitive swimmers.

abstract：:Vigorous and prolonged physical exercise and mechanical involvement of the perineal region might influence prostatic function and measurement of both total (PSA) and free prostate specific antigen (fPSA), decreasing the diagnostic efficiency of the laboratory screening for either benign or neoplastic prostate disorder...

journal_title：International journal of sports medicine

authors： Lippi G,Corgnati A,Salvagno G,Schena F,Franchini M,Guidi G

更新日期：2005-01-01 00:00:00

abstract：:The aim of this study was to compare heart rate variability (HRV) recovery after two iso-volume (5 km) exercises performed at different intensities. 14 subjects volunteered (25.17±5.08 years; 74.7±6.28 kg; 175±0.05 cm; 59.56±5.15 mL·kg(-1)·min(-1)) and after determination of peak oxygen uptake (VO2Peak) and the speed ...

journal_title：International journal of sports medicine

authors： Cabral-Santos C,Giacon TR,Campos EZ,Gerosa-Neto J,Rodrigues B,Vanderlei LC,Lira FS

更新日期：2016-06-01 00:00:00

abstract：:The purpose of this randomized controlled trial was to determine the effects of an 8-week (aerobic+strength) exercise training program (3 sessions/week) on the circulating cytokine levels of breast cancer survivors. We randomly allocated 16 female survivors of breast cancer (mean±SD age: 50±5 years) to an intervention...

journal_title：International journal of sports medicine

authors： Gómez AM,Martínez C,Fiuza-Luces C,Herrero F,Pérez M,Madero L,Ruiz JR,Lucia A,Ramírez M

更新日期：2011-06-01 00:00:00

abstract：:Two well-trained speed-skaters were subjected to a biomechanical analysis incorporating push-off forces, cinematographic data, and link segment modeling. To gain knowledge on the backgrounds on technique and performance in speed-skating, the muscle coordination was studied by EMG and muscle contraction velocities. In ...

journal_title：International journal of sports medicine

authors： de Boer RW,Cabri J,Vaes W,Clarijs JP,Hollander AP,de Groot G,van Ingen Schenau GJ

更新日期：1987-12-01 00:00:00

abstract：:The aims of this pilot study were to investigate how a novel sagittal plane kinematic measurement - the lower extremity contact angle (LECA) - relates to the landing dynamics of elite male volleyball athletes with and without patellar tendinopathy. The LECA was defined as the angle between the ground and the line conn...

journal_title：International journal of sports medicine

authors： Kulig K,Joiner DG,Chang YJ

更新日期：2015-05-01 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：:To determine the adaptations of the autonomic nervous system in the control of heart rate and blood pressure induced by endurance training, 10 competitive cyclists aged 27 +/- 7 years and 10 age-, weight- and height-matched sedentary controls were subjected to Power Spectral Analysis of the RR interval and of blood pr...

journal_title：International journal of sports medicine

authors： Macor F,Fagard R,Amery A

更新日期：1996-04-01 00:00:00

abstract：:Pre-exercise meals containing carbohydrates (CHO) are recommended to athletes, although there is evidence to suggest that a high fat meal prior to exercise increases utilisation of fats yet may not adversely affect performance. This study investigated the effect of a high fat and high CHO pre-exercise meal prior to hi...

journal_title：International journal of sports medicine

authors： Hulton AT,Edwards JP,Gregson W,Maclaren D,Doran DA

更新日期：2013-02-01 00:00:00

abstract：:This study investigated the relationship between sports participation/physical activity during youth (13 - 18 years of age) and adulthood (30 - 40 years of age), and cardiovascular risk factors (body fat and fat distribution, blood pressure, lipoprotein levels and cardiorespiratory fitness) at 40 years of age. Subject...

journal_title：International journal of sports medicine

authors： Lefevre J,Philippaerts R,Delvaux K,Thomis M,Claessens AL,Lysens R,Renson R,Vanden Eynde B,Vanreusel B,Beunen G

更新日期：2002-05-01 00:00:00

abstract：:This study investigated whether 4 weeks of daily supplementation with 500 or 1000 mg of Vitamin C and 500 or 1000 IU of Vitamin E could modify biochemical and ultrastructural indices of muscle damage following a 21 km run. Fifteen experienced male distance runners were divided into two groups (vitamin or placebo) and ...

journal_title：International journal of sports medicine

authors： Dawson B,Henry GJ,Goodman C,Gillam I,Beilby JR,Ching S,Fabian V,Dasig D,Morling P,Kakulus BA

更新日期：2002-01-01 00:00:00

abstract：:The aim of the present study was to compare the iron status of 19 top-level soccer players and 20 male control subjects. All players showed no impairment of physical performance and had a dietary iron intake adequate to cover the iron losses. Serum iron, TIBC, % transferrin saturation and serum ferritin were not signi...

journal_title：International journal of sports medicine

authors： Resina A,Gatteschi L,Giamberardino MA,Imreh F,Rubenni MG,Vecchiet L

更新日期：1991-10-01 00:00:00

abstract：:The purpose of this study was to evaluate the accuracy and the repeatability of a new running computer system (RS800sd, Polar, Kempele, Finland) which included the measurement of running speed (RS) and stride rate (SR). Eight well-trained triathletes participated in this study. First, they completed an incremental con...

journal_title：International journal of sports medicine

authors： Hausswirth C,Le Meur Y,Couturier A,Bernard T,Brisswalter J

更新日期：2009-05-01 00:00:00

abstract：:MR measurements can be accurately performed during 4486 km of running, opening a window into in vivo assessment of hindfoot articular cartilage under extreme ultra-endurance loading. This observational cross-sectional study included 22 randomized participants of TransEurope FootRace between Italy and the North Cape, w...

journal_title：International journal of sports medicine

authors： Schütz UH,Billich C,Schoss D,Beer M,Ellermann J

更新日期：2018-01-01 00:00:00

abstract：:The relationship between running intensity and the accumulation of hypoxanthine and uric acid in plasma was studied in four well-trained runners. The runners each performed several 800-m runs at different velocities, each run being performed on separate days. Venous blood samples were collected before and at regular i...

journal_title：International journal of sports medicine

authors： Sjödin B,Hellsten Westing Y

更新日期：1990-12-01 00:00:00

abstract：:This study aimed to investigate the impact of a 16-week dance-based aerobic exercise program on lymphocyte function in healthy and type 2 diabetes mellitus (T2DM) women. We enrolled 23 women: 11 with T2DM and 12 non-diabetic controls. Initially, we performed anthropometry and body composition measurements, afterwards,...

journal_title：International journal of sports medicine

authors： Passos MEP,Borges L,Dos Santos-Oliveira LC,Alecrim-Zeza AL,Lobato TB,de Oliveira HH,Santos CMM,Diniz VLS,Iser-Bem PN,Manoel R,Murata GM,Hirabara SM,Curi R,Pithon-Curi TC,Hatanaka E,Gorjao R

更新日期：2020-12-15 00:00:00

abstract：:The determination of anaerobic capacity (AC) using treadmill ergometry is problematic from a methodological, as well as a technical standpoint. In this study, a procedure from Monod and Scherrer was modified to examine whether realistic magnitudes of AC could be determined using three subject groups with different lev...

journal_title：International journal of sports medicine

authors： Striegel H,Emde F,Ploog N,Roecker K,Horstmann T,Dickhuth HH

更新日期：2005-09-01 00:00:00

abstract：:The purpose of this study was to determine the reproducibility of time at or above 90 % (t (90 % )VO (2max)) and 95 % (t (95 % )VO (2max)) maximal oxygen uptake during an intermittent treadmill run to exhaustion. Twenty-two distance runners (age 38.0 +/- 7.1 yrs) performed two identical incremental and two identical i...

journal_title：International journal of sports medicine

authors： Midgley AW,McNaughton LR,Carroll S

更新日期：2007-01-01 00:00:00

abstract：:The present study examined the behaviour of the Achilles tendon (AT) - triceps surae (TS) muscle complex during running and long jump take-off. High AT forces were measured in the push-off phase in running even with very low EMG activity. In the long jump, high rate of stiffness development was a characteristic of the...

journal_title：International journal of sports medicine

authors： Kyröläinen H,Finni T,Avela J,Komi PV

更新日期：2003-04-01 00:00:00

abstract：:This study compared breathing frequency (fB) during a ventilation threshold (VT) test with fB during a simulated 40 km time trial (40TT) to assess whether fB can be used to monitor exercise intensity. Twenty-six male cyclists (mean +/- SD VO2max = 4.42 +/- 0274 l.min-1) performed an incremental VT ergometer test and a...

journal_title：International journal of sports medicine

authors： Neary JP,Bhambhani YN,Quinney HA

更新日期：1995-05-01 00:00:00

abstract：:To test the effects of different modes of exercise on indices of protein catabolism, eight adult males on a meat-free diet performed single 60-min bouts of concentric and eccentric cycle ergometer exercise in two 7-day periods. Although the absolute intensities for the two exercise bouts were similar, VO2 averaged 70%...

journal_title：International journal of sports medicine

authors： Plante PD,Houston ME

更新日期：1984-08-01 00:00:00

abstract：:Cardiac magnetic resonance imaging was performed on 14 junior elite Olympic weight lifters and 14 controls (means +/- Se, age = 18.4 +/- 0.5 and 17.8 +/- 0.4 years, weight = 76.5 +/- 3.6 and 78.8 +/- 3.3 kg, % fat = 6.5% +/- 0.8% and 11.5% +/- 1.7%, respectively). Controls were individually matched to the lifters to w...

journal_title：International journal of sports medicine

authors： Fleck SJ,Henke C,Wilson W

更新日期：1989-10-01 00:00:00

abstract：:Based on the importance of exercise and crucial role of liver in metabolism, the aim of this study was to determine whether the expression of peroxisome proliferator-activated receptor (PPAR)-α, γ and adiponectin receptor 2 in OLETF rat liver were altered in conjunction with improved metabolism with exercise training....

journal_title：International journal of sports medicine

authors： Zhang S,Liu Y,Li Q,Dong X,Hu H,Hu R,Ye H,Wu Y,Hu R,Li Y

更新日期：2011-08-01 00:00:00

abstract：:The purpose of this study was to determine whether a post-exercise cryotherapy protocol could facilitate recovery of elbow flexor strength and reduce the severity of delayed onset muscle soreness following eccentric exercise. Eight resistance-trained males (23 +/- 3 yr) performed 64 eccentric elbow flexions with each ...

journal_title：International journal of sports medicine

authors： Paddon-Jones DJ,Quigley BM

更新日期：1997-11-01 00:00:00

abstract：:We hypothesized that a bout of high or low volume eccentric exercise would protect against muscle damage following a subsequent high volume bout and that adaptation would be attributable to neural changes, independent of the initial exercise volume. Sixteen males performed either 45 (ECC45) or 10 (ECC10) maximal eccen...

journal_title：International journal of sports medicine

authors： Howatson G,Van Someren K,Hortobágyi T

更新日期：2007-07-01 00:00:00

abstract：:We reported previously that a static handgrip exercise evoked regional differences in the facial blood flow. The present study examined whether regional differences in facial blood flow are also evoked during dynamic exercise. Facial blood flow was measured by laser speckle flowgraphy during 15 min of cycling exercise...

journal_title：International journal of sports medicine

authors： Hayashi N,Kashima H,Ikemura T

更新日期：2020-09-18 00:00:00

abstract：:We examined the effects of acute exercise on reaction time to visual stimuli presented in the central portion and periphery of the visual field. Twelve participants performed reaction time tasks at rest and during cycling at 65 % peak oxygen uptake in two visual conditions. We used circular black-and-white checkerboar...

journal_title：International journal of sports medicine

authors： Ando S,Kokubu M,Kimura T,Moritani T,Araki M

更新日期：2008-12-01 00:00:00

abstract：:Based on the assumption that the stretch-shortening cycle is a natural way of muscle function, the occurrence of such a cycle was investigated in a diagonal technique of cross-country skiing. Cinematographic, special force platform, and telemetered EMG techniques were employed. The four subjects studied were all elite...

journal_title：International journal of sports medicine

authors： Komi PV,Norman RW

更新日期：1987-03-01 00:00:00

abstract：:To examine the influence of acute resistive exercise and "hormone status" on cytokine profile, 35 postmenopausal women (72 +/- 6.2 yr) underwent a moderate-high-intensity resistive exercise bout or rested. There were 4 groups: no hormone replacement (NHR, n = 9), hormone replacement (HRT, n = 12), selective estrogen r...

journal_title：International journal of sports medicine

authors： Phillips MD,Flynn MG,McFarlin BK,Stewart LK,Timmerman KL,Ji H

更新日期：2008-02-01 00:00:00

abstract：:Altitude exposure leads to considerable weight loss. The different hypotheses that have been put forward to explain this phenomenon are discussed reviewing the literature: 1) a primary decrease of food intake due to loss of appetite caused, directly or indirectly, by hypoxia, changes of menus, comfort and habits, 2) a...

journal_title：International journal of sports medicine

authors： Kayser B

更新日期：1992-10-01 00:00:00

abstract：:Ten untrained subjects and nine trained cyclists were examined during graduated ergometric exercise in the supine position. The levels of epinephrine and norepinephrine in the blood as well as the heart rate and oxygen intake were determined. At submaximum levels, epinephrine, norepinephrine, lactate, and the heart ra...

journal_title：International journal of sports medicine

authors： Lehmann M,Keul J,Huber G,Da Prada M

更新日期：1981-08-01 00:00:00