The co-developmental dynamic of sport and school burnout among student-athletes: The role of achievement goals.

abstract：:The purpose of this study was to examine the effects of exercising at different intensities over 7 weeks on components of physical fitness and CVD risk factors. Forty-seven boys and 10 girls, (16.4±0.7 years of age) were divided into a moderate, high intensity, or a control group. All participants had indices of obesi...

journal_title：Scandinavian journal of medicine & science in sports

authors： Buchan DS,Ollis S,Thomas NE,Buchanan N,Cooper SM,Malina RM,Baker JS

更新日期：2011-12-01 00:00:00

abstract：:We have evaluated the results after rehabilitation and compared this to inferior capsular shift in patients with multidirectional hyperlaxity (MDH). The patients (n=35) experienced either instability and/or pain. We divided the patients into two groups: one group (group A) included patients with MDH and only pain but ...

journal_title：Scandinavian journal of medicine & science in sports

authors： Tillander B,Lysholm M,Norlin R

更新日期：1998-12-01 00:00:00

abstract：:To compare the effects of three 7-week interval training programs varying in work period duration but matched for effort in trained recreational cyclists. Thirty-five cyclists (29 male, 6 female, VO(2peak) 52 ± 6 mL kg/min) were randomized to four training groups with equivalent training the previous 2 months (∼6 h/wk...

journal_title：Scandinavian journal of medicine & science in sports

authors： Seiler S,Jøranson K,Olesen BV,Hetlelid KJ

更新日期：2013-02-01 00:00:00

abstract：:This study reveals the lipoprotein subclass pattern associated with cardiorespiratory fitness (CRF) in healthy children. Serum concentrations of lipoprotein subclasses and concentrations and average particle size of their main classes were quantified in 94 ethnic Norwegian children using high-performance liquid chroma...

journal_title：Scandinavian journal of medicine & science in sports

authors： Resaland GK,Rajalahti T,Aadland E,Kvalheim OM

更新日期：2018-01-01 00:00:00

abstract：:The objective of this study was to identify the association of phase angle with physical fitness in children and adolescents infected with HIV. Sixty-four children and adolescents infected with HIV (8-15 years old) were tested for vertical transmission. The electrical bioimpedance was used to obtain the phase angle. B...

journal_title：Scandinavian journal of medicine & science in sports

authors： Martins PC,de Lima LRA,Silva AM,Petroski EL,Moreno YMF,Silva DAS

更新日期：2019-07-01 00:00:00

abstract：:Increasing skeletal muscle carnitine availability alters muscle metabolism during steady-state exercise in healthy humans. We investigated whether elevating muscle carnitine, and thereby the acetyl-group buffering capacity, altered the metabolic and physiological adaptations to 24 weeks of high-intensity interval trai...

journal_title：Scandinavian journal of medicine & science in sports

authors： Shannon CE,Ghasemi R,Greenhaff PL,Stephens FB

更新日期：2018-01-01 00:00:00

abstract：:Elite athletes often find themselves in a dilemma between maintaining optimal health to be successful and accepting health risks by pushing their physical limits. For elite adolescent athletes, this dilemma becomes a trilemma as they are also confronted with developmental challenges typical for adolescence. As many ad...

journal_title：Scandinavian journal of medicine & science in sports

authors： Diehl K,Thiel A,Zipfel S,Mayer J,Schneider S

更新日期：2014-02-01 00:00:00

abstract：:The sex difference in marathon performance increases with finishing place and age of the runner but whether this occurs among swimmers is unknown. The purpose was to compare sex differences in swimming velocity across world record place (1st-10th), age group (25-89 years), and event distance. We also compared sex diff...

journal_title：Scandinavian journal of medicine & science in sports

authors： Senefeld J,Joyner MJ,Stevens A,Hunter SK

更新日期：2016-01-01 00:00:00

abstract：:Fatigue-related mechanisms induced by low-intensity prolonged contraction in lower limb muscles are currently unknown. This study investigated central fatigue kinetics in the knee extensors during a low-intensity sustained isometric contraction. Eleven subjects sustained a 10% maximal voluntary contraction (MVC) until...

journal_title：Scandinavian journal of medicine & science in sports

authors： Souron R,Voirin AC,Kennouche D,Espeit L,Millet GY,Rupp T,Lapole T

更新日期：2020-12-01 00:00:00

abstract：:Using qualitative life-course and pathway analysis, this article explores the beliefs that serious club cyclists have about performance improvement, and what they think are appropriate and inappropriate ways of achieving it. We interviewed 11 cyclists from suburban clubs in Melbourne, Australia, and invited them to di...

journal_title：Scandinavian journal of medicine & science in sports

authors： Stewart B,Outram S,Smith AC

更新日期：2013-12-01 00:00:00

abstract：:The purposes of this study were to demonstrate the transition of heart rate variability (HRV) during trials in the field and to examine the relationship between peak frequency of high-frequency band (HF) and stride frequency. Ten healthy long-distance college female runners (age 19-21 years) performed a 3000 m realist...

journal_title：Scandinavian journal of medicine & science in sports

authors： Sumi K,Suzuki S,Matsubara M,Ando Y,Kobayashi F

更新日期：2006-10-01 00:00:00

abstract：:This study aimed to determine whether the landing phase of a drop landing (DL) differed with respect to a complete jumping and landing task, a spike jump (SJ), and whether fatigue altered the landing of these movements. Fourteen male volleyball players performed five DL and SJ in a counterbalanced order under two expe...

journal_title：Scandinavian journal of medicine & science in sports

authors： Edwards S,Steele JR,McGhee DE

更新日期：2010-06-01 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：:Twelve males completed three incremental, discontinuous treadmill tests in the heat [31.9(1.0) °C, 61.9(8.9)%] to determine speed at two fixed blood lactate concentrations (2 and 3.5 mmol/L), running economy (RE), and maximum oxygen uptake ( V ˙ O 2 m a x ). Trials involved 20 min of either internal cooling (ICE, 7.5 ...

journal_title：Scandinavian journal of medicine & science in sports

authors： James CA,Richardson AJ,Watt PW,Gibson OR,Maxwell NS

更新日期：2015-06-01 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：:To examine the effects of eccentric exercise (EE) and ischemia/reperfusion (I/R) on the markers of muscle damage, 72 rats were randomly assigned to the EE group, I/R group and control group (C), respectively. The rats in EE ran downhill on a treadmill with a 16 ° inclination at a constant speed for 90 min, and the rat...

journal_title：Scandinavian journal of medicine & science in sports

authors： Su QS,Zhang JG,Dong R,Hua B,Sun JZ

更新日期：2010-10-01 00:00:00

abstract：:The study investigated the relations between physical exercise and musculoskeletal pain among forest industry workers. We studied a population of 3312 Finnish forest industry workers, who replied to a questionnaire survey in 1994 (response rate 77%). The outcome variables in this cross-sectional study were the number ...

journal_title：Scandinavian journal of medicine & science in sports

authors： Miranda H,Viikari-Juntura E,Martikainen R,Takala EP,Riihimäki H

更新日期：2001-08-01 00:00:00

abstract：OBJECTIVE:To investigate the association between handgrip strength and suicidal thoughts in a representative sample of the US adult population using data from the National Health and Nutrition Examination Survey (NHANES). POPULATION AND METHODS:Data from two waves of NHANES (2011-2014) were aggregated. Handgrip streng...

journal_title：Scandinavian journal of medicine & science in sports

authors： Cao C,Liu Q,Yang L,Zheng X,Lan P,Koyanagi A,Vancampfort D,Soysal P,Veronese N,Stubbs B,Firth J,Smith L

更新日期：2020-01-01 00:00:00

abstract：:The purpose of this study was to examine the nature, extent and severity of sports injuries in young female players in European team handball and to identify the etiological factors involved in the injuries. Twenty-two teams with 217 players, aged 16-18 years, participated in the study. A very high injury incidence du...

journal_title：Scandinavian journal of medicine & science in sports

authors： Wedderkopp N,Kaltoft M,Lundgaard B,Rosendahl M,Froberg K

更新日期：1997-12-01 00:00:00

abstract：:The peak fat oxidation rate (PFO) and the exercise intensity that elicits PFO (Fatmax ) are associated with endurance performance during exercise primarily involving lower body musculature, but it remains elusive whether these associations are present during predominant upper body exercise. The aim was to investigate ...

journal_title：Scandinavian journal of medicine & science in sports

authors： Rømer T,Thunestvedt Hansen M,Frandsen J,Larsen S,Dela F,Wulff Helge J

更新日期：2020-11-01 00:00:00

abstract：BACKGROUND:Hypoestrogenemia due to menopause is associated with increased cardiovascular disease risk, in part due to elevated indexes of aortic wave reflection (AWRI) and central (aortic) blood pressure. We sought to investigate whether AWRI and central blood pressure are also augmented in hypoestrogenic exercise-trai...

journal_title：Scandinavian journal of medicine & science in sports

authors： O'Donnell E,Goodman JM,Floras JS,Harvey PJ

更新日期：2020-06-01 00:00:00

abstract：:We examined the effect of curcumin (CUR) ingestion before or after exercise on changes in muscle damage and inflammatory responses after exercise. We conducted two parallel experiments with different CUR ingestion timings using a double-blind crossover. In Exp. 1, ten healthy men ingested 180 mg d-1 of CUR or placebo ...

journal_title：Scandinavian journal of medicine & science in sports

authors： Tanabe Y,Chino K,Ohnishi T,Ozawa H,Sagayama H,Maeda S,Takahashi H

更新日期：2019-04-01 00:00:00

abstract：:We use a multivariate multilevel model to study the links between physical fitness (PF) and gross motor coordination (GMC) and investigate the influence of predictors affecting their levels across age. We sampled 7918 Peruvians, aged 6-15 years, from sea-level, Amazon region and high-altitude. Composite markers of GMC...

journal_title：Scandinavian journal of medicine & science in sports

authors： Dos Santos CSP,Bustamante A,Hedeker D,Vasconcelos O,Garganta R,Tani G,Katzmarzyk PT,Maia J

更新日期：2020-12-01 00:00:00

abstract：:The present randomized, double-blind placebo-controlled study aimed at investigating the possible improvement in endurance performance caused by inhaled salmeterol (long-acting beta 2-agonist) and salbutamol (short-acting) compared to placebo in 18 healthy well-trained athletes, aged 17-30 years old. Lung function (fl...

journal_title：Scandinavian journal of medicine & science in sports

authors： Carlsen KH,Ingjer F,Kirkegaard H,Thyness B

更新日期：1997-06-01 00:00:00

abstract：:We recently reported that wearing unstable rocker shoes (Masai Barefoot Technology: MBT) may enhance recovery from marathon race-induced fatigue. However, this earlier study only utilized a questionnaire. In this study, we evaluated MBT utilizing objective physiological measures of recovery from marathon-induced muscl...

journal_title：Scandinavian journal of medicine & science in sports

authors： Nakagawa K,Inami T,Yonezu T,Kenmotsu Y,Narita T,Kawakami Y,Kanosue K

更新日期：2018-02-01 00:00:00

abstract：:This study compared the physical performance of adolescents in 1997 and 1968. The material included 1329 15-year-old Norwegian adolescents in Akershus county in Norway in 1968, and 1105 15-year-old adolescents in the same region in 1997. The investigations were supervised by the same conductor on both occasions, and u...

journal_title：Scandinavian journal of medicine & science in sports

authors： Sjolie A,Mønness E

更新日期：2007-10-01 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：: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：:Acute adductor injuries account for the majority of acute groin injuries; however, little is known about specific injury characteristics, which could be important for the understanding of etiology and management of these injuries. The study aim was to describe acute adductor injuries in athletes using magnetic resonan...

journal_title：Scandinavian journal of medicine & science in sports

authors： Serner A,Weir A,Tol JL,Thorborg K,Roemer F,Guermazi A,Yamashiro E,Hölmich P

更新日期：2018-02-01 00:00:00

abstract：:Training toward improving performance in sports involving high intense exercise can and is done in many different ways based on a mixture of tradition in the specific sport, coaches' experience and scientific recommendations. Strength training is a form of training that now-a-days have found its way into almost all sp...

journal_title：Scandinavian journal of medicine & science in sports

authors： Andersen JL,Aagaard P

更新日期：2010-10-01 00:00:00