Low energy availability, menstrual dysfunction, and impaired bone health: A survey of elite para athletes.

abstract：:The involvement of quadriceps femoris muscle portions and fibre type recruitment was studied during submaximal knee-extensor exercise without and with thigh occlusion (OCC) and compared with responses during intense exercise. Six healthy male subjects performed 90-s of moderate exercise without (MOD; 29+/-4 W) and wit...

journal_title：Scandinavian journal of medicine & science in sports

authors： Krustrup P,Söderlund K,Relu MU,Ferguson RA,Bangsbo J

更新日期：2009-08-01 00:00:00

abstract：:The purpose of this study was to investigate Achilles tendon blood flow in individuals with overpronated feet during non-weight- and weight-bearing positions. Achilles tendon blood flow was measured by means of the pulsatility index (PI) and the resistance index (RI) in 15 male individuals with overpronated feet and 1...

journal_title：Scandinavian journal of medicine & science in sports

authors： Karzis K,Kalogeris M,Mandalidis D,Geladas N,Karteroliotis K,Athanasopoulos S

更新日期：2017-10-01 00:00:00

abstract：:The purposes of this study were to assess the relative impact of social influences initiated by coach, parents, and peers on children and adolescent athletes' motivational patterns, involving self-rated effort, enjoyment, competence, and competitive trait anxiety. Questionnaire data were collected from 408 youth swimm...

journal_title：Scandinavian journal of medicine & science in sports

authors： Chan DK,Lonsdale C,Fung HH

更新日期：2012-08-01 00:00:00

abstract：:The purpose of this study was to (a) assess the feasibility of recruitment/retention of participants, protocol/resource management, and participant safety, and (b) estimate the size of the effect between the experimental and control groups. This was a feasibility study conducted as a prospective pilot double-blind ran...

journal_title：Scandinavian journal of medicine & science in sports

authors： Reneker JC,Hassen A,Phillips RS,Moughiman MC,Donaldson M,Moughiman J

更新日期：2017-12-01 00:00:00

abstract：:Examinations of stress in coaches have mainly been qualitative and focused on chronic stressors. This exploratory study examined stress responses in coaches during competition, including psychological and physiological indices. Using reversal theory, we examined metamotivational state profiles during competition. Ten ...

journal_title：Scandinavian journal of medicine & science in sports

authors： Hudson J,Davison G,Robinson P

更新日期：2013-10-01 00:00:00

abstract：:This study aimed to examine thermoregulation in different clothing assemblies during a representative cycling exercise protocol. Six men undertook cycling exercise simulating representative thermal exchange challenges while wearing low (LOW), intermediate (INT1 and INT2), or high (HI) amounts of clothing. Exercise was...

journal_title：Scandinavian journal of medicine & science in sports

authors： Corbett J,Barwood MJ,Tipton MJ

更新日期：2015-04-01 00:00:00

abstract：:Patellar tendinopathy (tendon pain and dysfunction), or jumper's knee, is prevalent in adult jumping athletes. Pathology in the proximal patellar tendon is a key risk factor for developing patellar tendinopathy. When pathology develops in the proximal patellar tendon is not known, although it is reported to exist in a...

journal_title：Scandinavian journal of medicine & science in sports

authors： Rudavsky A,Cook JL,Docking S

更新日期：2018-09-01 00:00:00

abstract：:Sphingosine-1-phosphate (S1P) is a bioactive lysosphingolipid that is found in relatively high concentration in human plasma. Erythrocytes, endothelial cells, and activated platelets are the main sources of circulating S1P. The majority of plasma S1P is transported bound to high-density lipoprotein (HDL) and albumin. ...

journal_title：Scandinavian journal of medicine & science in sports

authors： Książek M,Charmas M,Klusiewicz A,Zabielski P,Długołęcka B,Chabowski A,Baranowski M

更新日期：2018-01-01 00:00:00

abstract：:The present study examined if an elevated nitrate intake would improve VO(2) kinetics, endurance, and repeated sprint capacity in elite endurance athletes. Ten highly trained cyclists (72 ± 4 mL O(2) /kg/min, mean ± standard deviation) underwent testing for VO(2) kinetics (3 × 6 min at 298 ± 28 W), endurance (120 min ...

journal_title：Scandinavian journal of medicine & science in sports

authors： Christensen PM,Nyberg M,Bangsbo J

更新日期：2013-02-01 00:00:00

abstract：:Recent acute studies have shown that high-intensity resistance circuit-based (HRC) training in hypoxia increases metabolic stress. However, no intervention studies have yet proven their effectiveness. This study aimed to analyze the effect of 8 weeks of HRC in hypoxia on aerobic performance, resting energy expenditure...

journal_title：Scandinavian journal of medicine & science in sports

authors： Ramos-Campo DJ,Martínez-Guardado I,Olcina G,Marín-Pagán C,Martínez-Noguera FJ,Carlos-Vivas J,Alcaraz PE,Rubio JÁ

更新日期：2018-10-01 00:00:00

abstract：:We measured intramuscular oxygenation in the anterior tibial muscle of 176 patients with exercise-induced leg pain by noninvasive near-infrared spectroscopy before, during, and after an exercise test that elicited the symptoms. Clinical investigation was performed after each test. Intramuscular pressure was measured i...

journal_title：Scandinavian journal of medicine & science in sports

authors： Zhang Q,Rennerfelt K,Styf J

更新日期：2012-10-01 00:00:00

abstract：:We examined the relationship between physical activity parenting (PAP) and child, family, and environmental factors in families. The participants were 840 families with young children (n = 993; 5.40 ± 1.14 years) and parents (n = 993; 35.8 ± 5.29 years). Parents' self-reported PAP (co-participation, (in)direct support...

journal_title：Scandinavian journal of medicine & science in sports

authors： Laukkanen A,Niemistö D,Finni T,Cantell M,Korhonen E,Sääkslahti A

更新日期：2018-12-01 00:00:00

abstract：:Internet websites offering androgenic anabolic steroids (AAS) were identified and available products were examined. Keywords for the website search were: "anabolic steroids," "anabolic steroids buy," "anabolic steroid purchase." The first 10 websites offering AAS in the first 10 pages of results were considered. At le...

journal_title：Scandinavian journal of medicine & science in sports

authors： Cordaro FG,Lombardo S,Cosentino M

更新日期：2011-12-01 00:00:00

abstract：:A novel stretching modality was developed to provide repetitive small length changes to the plantar flexors undergoing passive stretch defined as "minute oscillation stretching" (MOS). This study investigated the effects of MOS on neuromuscular activity during force production, the rate of torque development (RTD), an...

journal_title：Scandinavian journal of medicine & science in sports

authors： Ikeda N,Yonezu T,Kawakami Y

更新日期：2021-01-01 00:00:00

abstract：BACKGROUND:Calf muscle strain injuries (CMSI) show consistent rates of prevalence and re-injury in elite Australian Football players. An epidemiological evaluation is warranted to better understand the clinical presentation and recovery of CMSI. PURPOSE:First, to describe the epidemiology of CMSI in elite Australian F...

journal_title：Scandinavian journal of medicine & science in sports

authors： Green B,Lin M,Schache AG,McClelland JA,Semciw AI,Rotstein A,Cook J,Pizzari T

更新日期：2020-01-01 00:00:00

abstract：:Utilising a goal perspectives framework, a study predicting physical activity intentions in 12 to 16-year-old Hungarian adolescents was conducted with two samples. Theoretical predictions established a model that was tested through path analysis. Beliefs thought to underpin goal orientations were hypothesised to predi...

journal_title：Scandinavian journal of medicine & science in sports

authors： Biddle SJ,Soos I,Chatzisarantis N

更新日期：1999-12-01 00:00:00

abstract：:This investigation was designed to (a) develop an individualized mechanical model for measuring aerodynamic drag (F(d) ) while ski racing through multiple gates, (b) estimate energy dissipation (E(d) ) caused by F(d) and compare this to the total energy loss (E(t) ), and (c) investigate the relative contribution of E(...

journal_title：Scandinavian journal of medicine & science in sports

authors： Supej M,Saetran L,Oggiano L,Ettema G,Šarabon N,Nemec B,Holmberg HC

更新日期：2013-02-01 00:00:00

abstract：:Entheses are regions of high-stress concentration that are commonly affected by overuse injuries in sport. This review summarizes current knowledge of their structure-function relationships - at the macroscopic, microscopic and molecular levels. Consideration is given to how stress concentration is reduced at fibrocar...

journal_title：Scandinavian journal of medicine & science in sports

authors： Shaw HM,Benjamin M

更新日期：2007-08-01 00:00:00

abstract：:Surprisingly little is known about the mechanisms of muscle atrophy with aging and disuse in human beings, in contrast to rodents, from which much has been extrapolated to explain the human condition. However, this extrapolation is likely unwarranted because the time course, extent of wasting, muscle fiber involvement...

journal_title：Scandinavian journal of medicine & science in sports

authors： Rennie MJ,Selby A,Atherton P,Smith K,Kumar V,Glover EL,Philips SM

更新日期：2010-02-01 00:00:00

abstract：:The aim of the present investigation was to study the possible effects of specificity of training on muscle strength and anaerobic power in children from different sports and at different performance levels in relation to growth and maturation status. Hundred and eighty-four children of both gender participating eithe...

journal_title：Scandinavian journal of medicine & science in sports

authors： Bencke J,Damsgaard R,Saekmose A,Jørgensen P,Jørgensen K,Klausen K

更新日期：2002-06-01 00:00:00

abstract：:The aims of this study were to describe the level of exercise during pregnancy and to assess factors associated with regular exercise. Using data from the Norwegian Mother and Child Cohort Study conducted by the Norwegian Institute of Public Health, 34 508 pregnancies were included in the present study. Data were coll...

journal_title：Scandinavian journal of medicine & science in sports

authors： Owe KM,Nystad W,Bø K

更新日期：2009-10-01 00:00:00

abstract：:A high level of physical fitness, especially cardiorespiratory fitness, is associated with lower incidence of hypertension. However, the relationship between flexibility, which is a component of physical fitness, and the incidence of hypertension is unknown. The purpose of this study was to investigate the relationshi...

journal_title：Scandinavian journal of medicine & science in sports

authors： Gando Y,Sawada SS,Momma H,Kawakami R,Miyachi M,Lee IM,Blair SN,Tashiro M,Horikawa C,Matsubayashi Y,Yamada T,Fujihara K,Kato K,Sone H

更新日期：2020-11-03 00:00:00

abstract：:In this meta-analysis of diving bradycardia in humans, we sought to quantify any heart rate (HR) reduction using a relatively simple mathematical function. Using the terms "diving reflex,"diving bradycardia,"diving response,"diving plus heart rate," databases were searched. Data from the studies were fitted using HR=c...

journal_title：Scandinavian journal of medicine & science in sports

authors： Caspers C,Cleveland S,Schipke JD

更新日期：2011-02-01 00:00:00

abstract：:Acute acetaminophen (ACT) ingestion has been reported to reduce thermal strain during cycling in the heat. In this study, nine active participants ingested 20 mg of ACT per kg of total body mass (ACT) or a placebo (PLA), 60 min prior to cycling at a fixed rate of metabolic heat production (ACT: 8.3 ± 0.3 W/kg; PLA: 8....

journal_title：Scandinavian journal of medicine & science in sports

authors： Coombs GB,Cramer MN,Ravanelli NM,Morris NB,Jay O

更新日期：2015-06-01 00:00:00

abstract：:This study was performed to investigate the effects of intermittent hypoxic exposure on blood and exercise parameters. Eight sea level residents were exposed to 2 h daily stimulus to 4100 m altitude in a hypobaric chamber for a total of 14 days. Exercise performance was evaluated at sea level before and after the hypo...

journal_title：Scandinavian journal of medicine & science in sports

authors： Lundby C,Nielsen TK,Dela F,Damsgaard R

更新日期：2005-06-01 00:00:00

abstract：:In military operations, declined physical capacity can endanger the life of soldiers. During special support and reconnaissance (SSR) missions, Special Forces soldiers sustain 1-2 weeks full-body horizontal immobilization, which impairs muscle strength and performance. Adequate muscle mass and strength are necessary i...

journal_title：Scandinavian journal of medicine & science in sports

authors： Jespersen JG,Mikkelsen UR,Nedergaard A,Thorlund JB,Schjerling P,Suetta C,Christensen PA,Aagaard P

更新日期：2015-04-01 00:00:00

abstract：:Sport injury epidemiology has received increased recognition as a field of sport medicine research that can improve the health and safety of athletes. Injuries among Paralympic powerlifters have not previously been systematically studied. The purpose of this prospective cohort study was to characterize injuries among ...

journal_title：Scandinavian journal of medicine & science in sports

authors： Willick SE,Cushman DM,Blauwet CA,Emery C,Webborn N,Derman W,Schwellnus M,Stomphorst J,Van de Vliet P

更新日期：2016-10-01 00:00:00

abstract：:Lower energy cost of running (Cr) has been reported when wearing minimal (MS) vs traditional shoes (TS) on level terrain, but the effect of slope on this difference is unknown. The aim of this study was to compare Cr, physiological, and kinematic variables from running in MS and TS on different slope conditions. Fourt...

journal_title：Scandinavian journal of medicine & science in sports

authors： Lussiana T,Fabre N,Hébert-Losier K,Mourot L

更新日期：2013-08-01 00:00:00

abstract：:Manipulation of the blood's oxygen carrying capacity (CaO(2)) through reinfusion of red blood cells, injections of recombinant erythropoietin or by other means results in an increased maximal oxygen uptake and concomitantly enhanced endurance performance. Therefore, there is a need to establish a system--"A Blood Pass...

journal_title：Scandinavian journal of medicine & science in sports

authors： Berglund B,Ekblom B,Ekblom E,Berglund L,Kallner A,Reinebo P,Lindeberg S

更新日期：2007-06-01 00:00:00

abstract：:Eight moderately active male subjects where tested for peak force in an isometric knee extension test and peak force and rate of force development in an isometric squat test. Both tests where performed at a 100 degrees knee angle and average integrated electromyography (IEMG) was measured from the vastus medialis (VM)...

journal_title：Scandinavian journal of medicine & science in sports

authors： McBride JM,Deane R,Nimphius S

更新日期：2007-02-01 00:00:00