abstract：:An estimated 4-6% of fitness center visitors uses anabolic-androgenic steroids (AAS). Reliable data about adverse reactions of AAS are scarce. The HAARLEM study aimed to provide insight into the positive and negative effects of AAS use. One hundred men (≥18 years) who intended to start an AAS cycle on short notice wer...

journal_title：Scandinavian journal of medicine & science in sports

authors： Smit DL,Buijs MM,de Hon O,den Heijer M,de Ronde W

更新日期：2021-02-01 00:00:00

abstract：:The history dependence of force is an intrinsic property of muscle whereby a muscle actively shortened or lengthened to an isometric steady-state produces less (residual force depression; rFD) or more force (residual force enhancement; rFE), respectively, than a purely isometric contraction at the same muscle length a...

journal_title：Scandinavian journal of medicine & science in sports

authors： Hinks A,Davidson B,Akagi R,Power GA

更新日期：2021-02-01 00:00:00

abstract：:The purpose was to examine the correlation and association between a single-item question of self-rated physical fitness and objective measures of fitness and cardiometabolic risk factors in a large population-based study. Participants were 3,441 men and women aged 18-85 years who filled in a questionnaire and partici...

journal_title：Scandinavian journal of medicine & science in sports

authors： Petersen CB,Eriksen L,Dahl-Petersen IK,Aadahl M,Tolstrup JS

更新日期：2021-01-17 00:00:00

abstract：:'Flexibility' tests are traditionally performed voluntarily-relaxed by rotating a joint slowly, however functional activities are performed rapidly with voluntary/reflexive muscle activity. Here we describe the reliabilities and differences in maximum ankle range of motion (ROMmax ) and plantar flexor mechanical prope...

journal_title：Scandinavian journal of medicine & science in sports

authors： Pinto MD,Wilson CJ,Kay AD,Blazevich AJ

更新日期：2021-01-16 00:00:00

abstract：:This study aimed (a) to estimate the transition rate for top 50 ranked track and field jumpers, (b) to compare the performance progression of top 50 ranked senior jumpers (top50 senior) to those who failed to be top 50 ranked in the senior category despite being top 50 ranked in the under 18 category (only U18), and (...

journal_title：Scandinavian journal of medicine & science in sports

authors： Boccia G,Cardinale M,Brustio PR

更新日期：2021-01-01 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：:This study analyzed the impact of performing four consecutive football matches separated by 48-72 hours during a FIFA tournament on physical load, technical performance and plasma markers of redox state, muscle damage and inflammation in elite female players. Forty-eight players from three national teams were evaluate...

journal_title：Scandinavian journal of medicine & science in sports

authors： Póvoas S,Ascensão A,Magalhães J,Silva P,Wiig H,Raastad T,Castagna C,Andersson H

更新日期：2020-12-29 00:00:00

abstract：:Although aerobic interval training (AIT) is recognized to attenuate the risk of cardiovascular disease (CVD) and premature mortality, it appears that it rarely arrives at patients' doorsteps. Thus, this study investigated 1-year effects and feasibility of AIT delivered with adherence support in collaborative care of o...

journal_title：Scandinavian journal of medicine & science in sports

authors： Brobakken MF,Nygård M,Güzey IC,Morken G,Reitan SK,Heggelund J,Vedul-Kjelsaas E,Wang E

更新日期：2020-12-01 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：: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 purpose of this article was to introduce the reader to the nature of patient-reported outcome measures (PROMs) and pitfalls in their use. PROMs collect subjective information directly from the patient regarding specific or general conditions and add to clinical and functional outcomes, and turn unmeasurable subjec...

journal_title：Scandinavian journal of medicine & science in sports

authors： Krogsgaard MR,Brodersen J,Christensen KB,Siersma V,Kreiner S,Jensen J,Hansen CF,Comins JD

更新日期：2020-11-29 00:00:00

abstract：:To determine whether interrupting prolonged sitting with three different activity breaks has both acute and chronic effects on postprandial lipid metabolism immediately after the activity-break period and on the following day, this study is a secondary analysis of an experimental research, which included 16 sedentary ...

journal_title：Scandinavian journal of medicine & science in sports

authors： Ma SX,Zhu Z,Cao ZB

更新日期：2020-11-23 00:00:00

abstract：:Elite football can make players feel nervous, and personality characteristics, as well as experience, affect how well pressure is handled before important games. Studying the psychological characteristics of female football players can provide information on how well psychological pressure is handled and generate know...

journal_title：Scandinavian journal of medicine & science in sports

authors： Madsen EE,Hansen T,Thomsen SD,Panduro J,Ermidis G,Krustrup P,Randers MB,Larsen CH,Elbe AM,Wikman J

更新日期：2020-11-17 00:00:00

abstract：:The National Hockey League (NHL) entry draft is a process wherein teams make sequential selections from a pool of eligible players. Given the young age of prospects, drafting requires long-term forecasting of future performance under a high level of uncertainty. This study assessed the selection accuracy across all se...

journal_title：Scandinavian journal of medicine & science in sports

authors： Farah L,Baker J

更新日期：2020-11-11 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：: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：:Few studies have examined the possibility that pre- and post-natal factors may be non-linearly associated with later physical activity. We used data from the Norwegian Mother, Father and Child Cohort study (MoBa) and the Medical Birth Registry of Norway (MBRN), including 48 672 children with available data on leisure ...

journal_title：Scandinavian journal of medicine & science in sports

authors： Bernhardsen GP,Stensrud T,Nystad W,Ekelund U

更新日期：2020-11-01 00:00:00

abstract：BACKGROUND:This pilot trial explores the feasibility of measuring muscle contractile properties in patients with cancer, effects of exercise during chemotherapy on muscle contractile properties and the association between changes in contractile muscle properties and perceived fatigue. METHOD:Patients who received (neo...

journal_title：Scandinavian journal of medicine & science in sports

authors： Buffart LM,Sweegers MG,de Ruijter CJ,Konings IR,Verheul HMW,van Zweeden AA,Grootscholten C,Chinapaw MJ,Altenburg TM

更新日期：2020-10-01 00:00:00

abstract：PURPOSE:While kicking in Rugby Union can be influential to match outcome, the epidemiology of kicking injuries remains unknown. This study therefore aimed to investigate the epidemiology of injuries attributed to kicking in professional rugby, including playing position-specific effects and differences in kicking volum...

journal_title：Scandinavian journal of medicine & science in sports

authors： Lazarczuk SL,Love T,Cross MJ,Stokes KA,Williams S,Taylor AE,Fuller CW,Brooks JHM,Kemp SPT,Bezodis NE

更新日期：2020-09-01 00:00:00

abstract：:The main objective of this systematic review was to examine the effect of reduced muscle activity on the relative number of type 1 muscle fibers (%) in the human vastus lateralis muscle. Other objectives were changes in type 2A and 2X percentages and muscle fiber cross-sectional area. We conducted systematic literatur...

journal_title：Scandinavian journal of medicine & science in sports

authors： Vikne H,Strøm V,Pripp AH,Gjøvaag T

更新日期：2020-08-01 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：BACKGROUND:Recent cross-sectional studies have suggested a dose-dependent relationship between lifelong exposure to physical activity and the burden of calcified coronary artery disease (CAD). No longitudinal studies have addressed this concern. HYPOTHESIS:Exercise volume is associated with progression of coronary art...

journal_title：Scandinavian journal of medicine & science in sports

authors： Kleiven Ø,Bjørkavoll-Bergseth MF,Omland T,Aakre KM,Frøysa V,Erevik CB,Greve OJ,Melberg TH,Auestad B,Skadberg Ø,Edvardsen T,Ørn S

更新日期：2020-06-01 00:00:00

abstract：OBJECTIVES:This study examined the association of leisure-time physical activity (LTPA) with the risk of long-term sickness absence (LTSA). METHODS:A total of 10 427 subjects from the general working population in Denmark answered questions about physical activity habits, health and work environment in the 2010 Danish...

journal_title：Scandinavian journal of medicine & science in sports

authors： López-Bueno R,Sundstrup E,Vinstrup J,Casajús JA,Andersen LL

更新日期：2020-05-01 00:00:00

abstract：:The purpose of this study was to compare the effects of 3 weeks with three weekly sessions (ie, nine sessions in total) of short intervals (SI; n = 9; 3 series with 13 × 30-second work intervals interspersed with 15-second recovery and 3-minutes recovery between series) against effort-matched (rate of perceived effort...

journal_title：Scandinavian journal of medicine & science in sports

authors： Rønnestad BR,Hansen J,Nygaard H,Lundby C

更新日期：2020-05-01 00:00:00

abstract：:Submaximal field tests are especially recommended when repeated testing is warranted. This study aimed at assessing the validity of the submaximal versions of the Yo-Yo intermittent tests in male recreational football players in untrained and trained status. The participants' (n = 66; age 39.3 ± 5.8 years, VO2max 41.2...

journal_title：Scandinavian journal of medicine & science in sports

authors： Póvoas S,Krustrup P,Castagna C

更新日期：2020-04-01 00:00:00

abstract：:Previous studies have suggested that runners can be subgrouped based on homogeneous gait patterns; however, no previous study has assessed the presence of such subgroups in a population of individuals across a wide variety of injuries. Therefore, the purpose of this study was to assess whether distinct subgroups with ...

journal_title：Scandinavian journal of medicine & science in sports

authors： Jauhiainen S,Pohl AJ,Äyrämö S,Kauppi JP,Ferber R

更新日期：2020-04-01 00:00:00

abstract：:The primary objective of this study was to establish sex- and age-specific physical fitness percentiles for French children. The secondary aim was to assess sex, weight status, and age differences for physical fitness levels in French children. A sample of 31 484 children (16 023 boys, 15 461 girls) aged 6-11 years pa...

journal_title：Scandinavian journal of medicine & science in sports

authors： Vanhelst J,Ternynck C,Ovigneur H,Deschamps T

更新日期：2020-04-01 00:00:00

abstract：:This study was aimed to compare the effects of 8-week conditioning training (CT) programs with and without feedback on lower limbs' biomechanics and injury incidence in free-injury male runners and assess their effectiveness across a 1-year observation. A total of 49 healthy male runners were randomly assigned to one ...

journal_title：Scandinavian journal of medicine & science in sports

authors： Letafatkar A,Rabiei P,Farivar N,Alamouti G

更新日期：2020-03-01 00:00:00

abstract：BACKGROUND:To determine the trustworthiness of graded exercise test to exhaustion (GXT) to assess maximal oxygen uptake ( V ...

journal_title：Scandinavian journal of medicine & science in sports

authors： Moreno-Cabañas A,Ortega JF,Morales-Palomo F,Ramirez-Jimenez M,Mora-Rodriguez R

更新日期：2020-03-01 00:00:00

abstract：:The main aim of the present study was to compare skeletal maturity level and physical capacities between male Norwegian soccer players playing at elite, sub-elite and non-elite level. Secondary, we aimed to investigate the association between skeletal maturity level and physical capacities. One hundred and two U14 soc...

journal_title：Scandinavian journal of medicine & science in sports

authors： Grendstad H,Nilsen AK,Rygh CB,Hafstad A,Kristoffersen M,Iversen VV,Nybakken T,Vestbøstad M,Algrøy EA,Sandbakk Ø,Gundersen H

更新日期：2020-02-01 00:00:00

abstract：:Laboratory methods that are required to calculate highly precise jump heights during experimental research have never been sufficiently compared and examined. Our first aim was to compare jumping outcome measures of the same jump, using four different methods (double integration from force plate data, rigid-body model...

journal_title：Scandinavian journal of medicine & science in sports

authors： Wade L,Lichtwark GA,Farris DJ

更新日期：2020-01-01 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：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：:Patients with schizophrenia have impaired physical health. However, evidence of how skeletal muscle force-generating capacity (FGC), a key component of functional performance, may contribute to the impairment is scarce. Thus, the aim of this study was to investigate the patient groups' skeletal muscle FGC and its asso...

journal_title：Scandinavian journal of medicine & science in sports

authors： Nygård M,Brobakken MF,Roel RB,Taylor JL,Reitan SK,Güzey IC,Morken G,Vedul-Kjelsås E,Wang E,Heggelund J

更新日期：2019-12-01 00:00:00

abstract：:Sprint running is a common feature of many sport activities. The ability of an athlete to cover a distance in the shortest time relies on his/her power production. The aim of this study was to provide an exhaustive description of the mechanical determinants of power output in sprint running acceleration and to check w...

journal_title：Scandinavian journal of medicine & science in sports

authors： Pavei G,Zamparo P,Fujii N,Otsu T,Numazu N,Minetti AE,Monte A

更新日期：2019-12-01 00:00:00

abstract：:The purpose of this study was to develop a grounded theory of the process of inspirational coach leadership in sport. A Straussian grounded theory methodology was used. Semi-structured interviews and focus groups were conducted with athletes (n = 22) and coaches (n = 15). Data were analyzed through a process of open a...

journal_title：Scandinavian journal of medicine & science in sports

authors： Figgins SG,Smith MJ,Knight CJ,Greenlees IA

更新日期：2019-11-01 00:00:00

abstract：:Considering their potential relevance for low-back pain, we investigated trunk muscle strength, sagittal lumbo-pelvic alignment while standing and lumbo-pelvic ratio during trunk flexion in adolescent athletes with regard to the effects of age and sex. Twenty-two early adolescent (EA: 13-15 years, 10 females) and 28 l...

journal_title：Scandinavian journal of medicine & science in sports

authors： Arampatzis A,Frank J,Laube G,Mersmann F

更新日期：2019-11-01 00:00:00

abstract：:This study investigated the peripheral frequency of monocytes, CD4 + T cell subsets and the systemic levels of cytokines in lean and obese men with different levels of cardiorespiratory fitness (CRF). Mononuclear cells were obtained from 45 lean and 45 obese men who were assigned into six groups according to their bod...

journal_title：Scandinavian journal of medicine & science in sports

authors： Dorneles GP,da Silva I,Boeira MC,Valentini D,Fonseca SG,Dal Lago P,Peres A,Romão PRT

更新日期：2019-11-01 00:00:00

abstract：PURPOSE:To develop, assess the feasibility of, and determine the clinical validity of an event-based analysis method using wearable monitors to quantify walking pain manifestations (WPMs) and stops induced by walking pain (SIWPs) during daily life walking in people with peripheral artery disease (PAD). METHODS:The fol...

journal_title：Scandinavian journal of medicine & science in sports

authors： Chaudru S,Jehannin P,de Müllenheim PY,Klein H,Jaquinandi V,Mahé G,Le Faucheur A

更新日期：2019-11-01 00:00:00

abstract：BACKGROUND:Acute Achilles tendon rupture (ATR) is a frequently disabling injury, which exhibits unclear variability in long-term functional and patient-reported outcomes. Biomarkers from early healing, which have been shown to be prognostic of long-term outcome would facilitate the development of improved treatment met...

journal_title：Scandinavian journal of medicine & science in sports

authors： Addevico F,Svedman S,Edman G,Ackermann PW

更新日期：2019-10-01 00:00:00