Effects of self-monitored jogging on physical fitness, blood pressure and serum lipids: a controlled study in sedentary middle-aged men.

abstract：:The aim of this study was to compare hormonal changes in plasma total testosterone (T), cortisol (C), luteinizing hormone (LH), follicle-stimulating hormone (FSH) and prolactin (P) in two world-class teams, both consisting of 9 top male pro-cyclists, during a real sports situation (the 1998 "Vuelta a España", a 3-week...

journal_title：International journal of sports medicine

authors： Fernández-Garcia B,Lucía A,Hoyos J,Chicharro JL,Rodriguez-Alonso M,Bandrés F,Terrados N

更新日期：2002-11-01 00:00:00

abstract：:Long-term side effects of high doses of anabolic androgenic steroids self-administration were evaluated in this study. Twenty male bodybuilders, voluntarily starting steroid self-administration, were followed every 6 months over 2 years. Physical examination, haematological, metabolic and endocrine variables, semen an...

journal_title：International journal of sports medicine

authors： Bonetti A,Tirelli F,Catapano A,Dazzi D,Dei Cas A,Solito F,Ceda G,Reverberi C,Monica C,Pipitone S,Elia G,Spattini M,Magnati G

更新日期：2008-08-01 00:00:00

abstract：:The early vascular adaptation to indoor cycling, a popular activity at many fitness centres, is incompletely evaluated. Forty two healthy women (21-45 years) underwent measurements of arterial wall properties and geometry as well as a maximal bicycle exercise test before and after a 3 months period during which 21 of ...

journal_title：International journal of sports medicine

authors： Bjarnegård N,Hedman K,Länne T

更新日期：2019-04-01 00:00:00

abstract：:The purpose of the study was to investigate whether severe fatigue, possibly leading to overreaching, could be diagnosed at an early stage by a combination of parameters. Seven well-trained male subjects (age [mean +/- SD]: 25.3 +/- 4.7 yr; body mass: 76 +/- 6.6 kg; VO2max: 61.1 +/- 7 ml.kg(-1).min(-1)) increased thei...

journal_title：International journal of sports medicine

authors： Rietjens GJ,Kuipers H,Adam JJ,Saris WH,van Breda E,van Hamont D,Keizer HA

更新日期：2005-01-01 00:00:00

abstract：:β1-adrenergic receptors (ADRB1) and Gαs proteins (GNAS) play important roles in the regulation of cardiac function. The present study sought to investigate whether ADRB1 Arg389Gly (rs1801253), GNAS -1211 G/A (rs6123837) and GNAS 2291 C/T (rs6026584) variants are associated with left ventricular function and exercise t...

journal_title：International journal of sports medicine

authors： Alves AJ,Goldhammer E,Ribeiro F,Eynon N,Ben-Zaken Cohen S,Duarte JA,Viana JL,Sagiv M,Oliveira J

更新日期：2013-03-01 00:00:00

abstract：:The purpose of this study was to examine electromyographic changes of the agonist and antagonist muscles during fatigue. Nine healthy, untrained subjects exerted a maximum voluntary heel lifting contraction with their dominant limb. The EMG activity over the soleus and the tibialis anterior muscles was recorded during...

journal_title：International journal of sports medicine

authors： Patikas D,Michailidis C,Bassa H,Kotzamanidis C,Tokmakidis S,Alexiou S,Koceja DM

更新日期：2002-05-01 00:00:00

abstract：:Serum testosterone concentration was determined before and after physical activities of different duration. The subjects under study were: (1) 7 competitive walkers before and after a 20-km race (average race time 1 h 30 min); (2) 9 middle-distance runners before and after 1-h training; (3) 16 marathon runners before ...

journal_title：International journal of sports medicine

authors： Guglielmini C,Paolini AR,Conconi F

更新日期：1984-10-01 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 purpose of this study was to determine if an eight-week intrahospital supervised, conditioning program improves functional capacity and quality of life (QOL) in children (4 boys, 4 girls) (mean [SD] age: 10.9 [2.8] years [range: 8-16]) who have undergone bone marrow transplantation (BMT) for leukemia treatment wit...

journal_title：International journal of sports medicine

authors： San Juan AF,Chamorro-Viña C,Moral S,Fernández del Valle M,Madero L,Ramírez M,Pérez M,Lucia A

更新日期：2008-05-01 00:00:00

abstract：:The present study aimed to evaluate the applicability of using a single slice cross-sectional area (CSA) of the skeletal muscle for estimating segmental skeletal muscle volume (SMV). By using MRI, the SMV of each of the upper arm, lower arm, upper leg, lower leg, and trunk was determined in 29 males. First, step-wise ...

journal_title：International journal of sports medicine

authors： Tanaka NI,Kanehisa H

更新日期：2014-06-01 00:00:00

abstract：:We investigated the effects of hypoxia on matched-severe intensity exercise and on the parameters of the power-duration relationship. Fifteen trained subjects performed in both normoxia and normobaric hypoxia (FiO2=0.13, ~3000 m) a maximal incremental test, a 3 min all-out test (3AOT) and a transition from rest to an ...

journal_title：International journal of sports medicine

authors： Sousa AC,Millet GP,Viana J,Milheiro J,Reis V

更新日期：2021-01-18 00:00:00

abstract：:Since the introduction of blood analysis performed before major cycling events in 1997, there have been discussions concerning the quality of the results. The aim of our study therefore was to measure blood samples and compare the results obtained on the field with those obtained in the laboratory. For this it was nec...

journal_title：International journal of sports medicine

authors： Robinson N,Schattenberg L,Zorzoli M,Mangin P,Saugy M

更新日期：2005-04-01 00:00:00

abstract：:Creatine supplementation has become a common practice among competition athletes participating in different sports over the last few years. The mechanism by which supplementary creatine could have potential ergogenic effects would be an increased muscle creatine and phosphocreatine concentration, leading to a higher r...

journal_title：International journal of sports medicine

authors： Mujika I,Padilla S

更新日期：1997-10-01 00:00:00

abstract：:Recreational scuba diving is a sport of increasing popularity. Previous studies indicating subtle brain injury in asymptomatic divers imply a cumulative effect of minor neural insults in association with diving for professional and/or recreational purposes, over the long-term. This is the first study to investigate pu...

journal_title：International journal of sports medicine

authors： Stavrinou LC,Kalamatianos T,Stavrinou P,Papasilekas T,Psachoulia C,Tzavara C,Stranjalis G

更新日期：2011-12-01 00:00:00

abstract：:The aim of this study was to compare the maximal lactate steady state (MLSS) and ventilatory threshold (VT) under different environments (TEMP: 22°C; and HOT: 40°C; 50% RH). 8 male subjects (age 23.9±2.4 years, body mass 75.9±7.3 kg and VO2(max) 47.8±4.9 mL·kg(-1)·min(-1)) performed a series of tests to determine the ...

journal_title：International journal of sports medicine

authors： de Barros CL,Mendes TT,Mortimer LÁ,Simões HG,Prado LS,Wisloff U,Silami-Garcia E

更新日期：2011-10-01 00:00:00

abstract：:During an exhaustive graded bicycle spiroergometer test, several arterial blood samples were taken from six type I diabetics and seven normal controls for determination of catecholamines and parameters of carbohydrate and lipid metabolism. In both groups during exercise, glucose remained unchanged, and lactate associa...

journal_title：International journal of sports medicine

authors： Jakober B,Schmülling RM,Eggstein M

更新日期：1983-05-01 00:00:00

abstract：:Orthostatic tolerance is impaired following an acute bout of exercise. This study examined the effect of fluid ingestion following treadmill exercise in restoring the cardiovascular responses to an orthostatic stress. Five men (age, 29.6 +/- 3.4 yrs) were exposed to a graded lower body negative (LBNP) pressure protoco...

journal_title：International journal of sports medicine

authors： Davis JE,Fortney SM

更新日期：1997-04-01 00:00:00

abstract：:The purpose of the present study was to ascertain whether increase in step frequency at a given velocity during running reduces the lower extremity loading variables, which is associated with tibial stress fracture in runner. We hypothesized that the lower extremity loading variables at a given speed would be minimize...

journal_title：International journal of sports medicine

authors： Hobara H,Sato T,Sakaguchi M,Sato T,Nakazawa K

更新日期：2012-04-01 00:00:00

abstract：:The purpose was to analyze the influence of oral contraceptive use on body composition and strength levels in trained women. Twenty-three resistance-trained women participated in this study (age=27.4±3.4 years; fat mass=28.0±5.0%; BMI=22.9±2.7 kg∙m-2). Subjects performed an 8-week non-linear resistance-training progra...

journal_title：International journal of sports medicine

authors： Romance R,Vargas S,Espinar S,Petro JL,Bonilla DA,Schöenfeld BJ,Kreider RB,Benítez-Porres J

更新日期：2019-12-01 00:00:00

abstract：:In major track and field competitions, the most risky discipline is the combined event. Therefore, we aimed to record and analyze the incidence and characteristics of sports injuries incurred during the Youth and National Combined Events Championships. During the French Athletics Combined Events Championships in 2010,...

journal_title：International journal of sports medicine

authors： Edouard P,Samozino P,Escudier G,Baldini A,Morin JB

更新日期：2012-10-01 00:00:00

abstract：:Throwing arm injuries are common and often related to the shoulder external and internal rotation. Quantitative assessment may provide new insights to physical assessment and options for treatment. After having signed IRB approved consents and filled out injury questionnaires, 96 baseball pitchers were examined on bot...

journal_title：International journal of sports medicine

authors： Zheng N,Eaton K

更新日期：2012-06-01 00:00:00

abstract：:The effects of physical activity (PA) on bioenergetic characteristics were studied in 53 prepubertal boys. Maximal oxygen consumption (VO2max; direct method), maximal anaerobic power (Pmax, force-velocity test), and mean power in 30 s (P30s, Wingate test) were compared (mean +/- SD) in three groups of boys of the same...

journal_title：International journal of sports medicine

authors： Falgairette G,Duche P,Bedu M,Fellmann N,Coudert J

更新日期：1993-11-01 00:00:00

abstract：:The aims of this study were: to compare energy expenditure (EE) estimated from the existing GT3X accelerometer equations and EE measured with indirect calorimetry; to define new equations for EE estimation with the GT3X in youth, adults and older people; and to define GT3X vector magnitude (VM) cut points allowing to ...

journal_title：International journal of sports medicine

authors： Santos-Lozano A,Santín-Medeiros F,Cardon G,Torres-Luque G,Bailón R,Bergmeir C,Ruiz JR,Lucia A,Garatachea N

更新日期：2013-11-01 00:00:00

abstract：:This study aims to investigate the relationship between subjective and external measures of load in professional youth football players whilst accounting for the effect of training theme or competition. Data from ratings of perceived exertion and global positioning system-derived measures of external training load wer...

journal_title：International journal of sports medicine

authors： Maughan P,Swinton P,MacFarlane N

更新日期：2020-12-01 00:00:00

abstract：:The present trial focused on the exact role of colour and power Doppler sonography in Achilles tendinopathy and correlated these techniques with the clinical severity of the disease and with findings on grey-scale sonography. Twenty patients with in total 28 symptomatic Achilles tendons were included in this prospecti...

journal_title：International journal of sports medicine

authors： Reiter M,Ulreich N,Dirisamer A,Tscholakoff D,Bucek RA

更新日期：2004-05-01 00:00:00

abstract：:Length and weight for age (1-12 months) charts are presented for the longitudinal Euro-Growth Study. "Weight-for-length", another widely used growth chart, presents a problem from a methodological point of view. Target length values (53-77 cm) are not observed in all infants, leading to truncated age distributions at ...

journal_title：International journal of sports medicine

authors： van't Hof MA,Haschke F

更新日期：1997-07-01 00:00:00

abstract：:The aim of this study was to compare the effects of aerobic and mental training on cognitive function and to determine if the association of the two techniques shows better results. Thirty-two healthy elderly subjects (60 - 76 years) were assigned to one of four groups: aerobic training, mental training, combined aero...

journal_title：International journal of sports medicine

authors： Fabre C,Chamari K,Mucci P,Massé-Biron J,Préfaut C

更新日期：2002-08-01 00:00:00

abstract：:High-speed running and sprinting training play an important role in the development of physical capabilities, sport-specific performance and injury prevention among soccer players. This commentary aims to summarize the current evidence regarding high-speed running and sprinting training in professional soccer and to i...

journal_title：International journal of sports medicine

authors： Beato M,Drust B,Iacono AD

更新日期：2020-12-08 00:00:00

abstract：:Highly repetitive submaximal intermittent contractions of the forearm muscles during periods of 30-50 min partially explain why motorcycle races are so demanding for the neuromuscular system. This study investigated the contribution of central and peripheral mechanisms of fatigue on the exerted and contralateral exten...

journal_title：International journal of sports medicine

authors： Torrado P,Cabib C,Morales M,Valls-Sole J,Marina M

更新日期：2015-11-01 00:00:00

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