Altered relationship between R-R interval and R-R interval variability in endurance athletes with overtraining syndrome.

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：: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：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：: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：:Track and field includes a number of high-intensity disciplines with many demanding practices and represents a motivational challenge for talented athletes aiming to make a successful transition to the senior elite level. Based on a holistic ecological approach, this study presents an analysis of a particular athletic...

journal_title：Scandinavian journal of medicine & science in sports

authors： Henriksen K,Stambulova N,Roessler KK

更新日期：2010-10-01 00:00:00

abstract：:This study compared the ventilatory responses and exercise tidal flow-volume (Vt) loops during exercise in order to analyze the influence of gender on breathing strategy in a fit aging population. Sixteen trained elderly men (63.0+/-2.9 years) and eight peer women (62.3 +/- 5.5 years) performed an incremental test on ...

journal_title：Scandinavian journal of medicine & science in sports

authors： Deruelle F,Nourry C,Mucci P,Bart F,Grosbois JM,Lensel GH,Fabre C

更新日期：2008-04-01 00:00:00

abstract：:Blood passport has been suggested as an indirect tool to detect various kinds of blood manipulations. Autologous blood transfusions are currently undetectable, and the objective of this study was to examine the sensitivities of different blood markers and blood passport approaches in order to determine the best approa...

journal_title：Scandinavian journal of medicine & science in sports

authors： Mørkeberg J,Sharpe K,Belhage B,Damsgaard R,Schmidt W,Prommer N,Gore CJ,Ashenden MJ

更新日期：2011-04-01 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：:We compared normalized trapezius muscle activity and intramuscular balance ratios between overhead athletes with impingement symptoms and non-injured athletes during isokinetic abduction and external rotation movements. Thirty-nine overhead athletes with chronic impingement symptoms and 30 non-injured athletes partici...

journal_title：Scandinavian journal of medicine & science in sports

authors： Cools AM,Declercq GA,Cambier DC,Mahieu NN,Witvrouw EE

更新日期：2007-02-01 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：: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：:Light-load exercise training with blood flow restriction (BFR) increases muscle strength and size. However, the hemodynamics of BFR exercise appear elevated compared with non-BFR exercise. This questions the suitability of BFR in special/clinical populations. Nevertheless, hemodynamics of standard prescription protoco...

journal_title：Scandinavian journal of medicine & science in sports

authors： Brandner CR,Kidgell DJ,Warmington SA

更新日期：2015-12-01 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：: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：:The return to play (RTP) process may occur during longitudinal studies tracking recovery after concussion. This factor, which is often omitted within statistical designs, could affect the fit and overall interpretation of the statistical model. This article demonstrates the difference in results and interpretation bet...

journal_title：Scandinavian journal of medicine & science in sports

authors： Parrington L,Fino NF,Fino PC,Murchison CF,Chesnutt JC,King LA

更新日期：2018-11-01 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：:Grounded in self-determination theory, this study aimed to examine the links of the social environment, as defined by coach interpersonal behaviors and coach-athlete relationships, with athletes' psychological need satisfaction and indexes of well-being. Athletes (N = 300) completed a multi-section questionnaire asses...

journal_title：Scandinavian journal of medicine & science in sports

authors： Felton L,Jowett S

更新日期：2013-03-01 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：:The kinetics of central and peripheral fatigue development during an intensive constant-load cycling exercise was evaluated to better understand the mechanisms of task failure. Thirteen males cycled to exhaustion at 80% of maximal power output in intermittent bouts of 6 min of exercise with 4-min break between bouts t...

journal_title：Scandinavian journal of medicine & science in sports

authors： Decorte N,Lafaix PA,Millet GY,Wuyam B,Verges S

更新日期：2012-06-01 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：: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：:In this study, we asked whether wheelchair rugby (WR) classification and competitive level influence trunk function of athletes with disabilities, in terms of seated limits-of-stability (LoS). Twenty-eight athletes were recruited from international- and national-level WR teams, with each group exhibiting marked differ...

journal_title：Scandinavian journal of medicine & science in sports

authors： Santos PBR,Vigário PS,Mainenti MRM,Ferreira AS,Lemos T

更新日期：2017-12-01 00:00:00

abstract：:This study investigated the acute glucose response to low-intensity, moderate-intensity, and high-intensity interval exercise compared to no-exercise in healthy insufficiently active males using a four-arm, randomized, crossover design. Ten males (age: 37.3 ± 7.3 years, BMI: 29.3 ± 6.5 kg·m-2 ) completed four 30-minut...

journal_title：Scandinavian journal of medicine & science in sports

authors： Shambrook P,Kingsley MI,Wundersitz DW,Xanthos PD,Wyckelsma VL,Gordon BA

更新日期：2018-03-01 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：:Despite limited scientific knowledge, stretching of human skeletal muscle to improve flexibility is a widespread practice among athletes. This article reviews recent findings regarding passive properties of the hamstring muscle group during stretch based on a model that was developed which could synchronously and cont...

journal_title：Scandinavian journal of medicine & science in sports

authors： Magnusson SP

更新日期：1998-04-01 00:00:00

abstract：:The clinical assessment of groin pain in athletes is difficult, with the lack of specific clinical tests being in part responsible. Three pain provocation tests used in the diagnosis of chronic groin pain are described and their relationship to defined clinical and MRI criteria has been assessed. Eighty-nine Australia...

journal_title：Scandinavian journal of medicine & science in sports

authors： Verrall GM,Slavotinek JP,Barnes PG,Fon GT

更新日期：2005-02-01 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：:Survival and exercise performance are key targets of heart transplantation (HT). We designed this study to help in identifying (1) patients with chronic heart failure (CHF) at risk of poor exercise capacity after HT and (2) HT recipients presenting risk factors modifiable with exercise showing a potential impact on ou...

journal_title：Scandinavian journal of medicine & science in sports

authors： Grigioni F,Specchia S,Maietta P,Potena L,Bacchi-Reggiani ML,Ghetti G,Boriani G,Foschi E,Corazza I,Ionico T,Magnani G,Zannoli R,Tentoni C,Branzi A

更新日期：2011-08-01 00:00:00

abstract：:Predictors of functional capacities and skills in 143 soccer players aged 11-14 years from five clubs in Portugal were investigated. Data for players aged 11-12 (n=75) and 13-14 (n=68) years included chronological age, skeletal age, stage of pubic hair (PH), anthropometry, four functional capacities, four soccer skill...

journal_title：Scandinavian journal of medicine & science in sports

authors： Figueiredo AJ,Coelho e Silva MJ,Malina RM

更新日期：2011-06-01 00:00:00

abstract：:Lower extremity neuromuscular fatigue purportedly increases anterior cruciate ligament (ACL) injury risk through promotion of extreme landing mechanics. However, the impact of fatigue on muscle groups critical to the landing strategy remains unclear. This study examined the effects of isolated hip rotator and triceps ...

journal_title：Scandinavian journal of medicine & science in sports

authors： Thomas AC,Palmieri-Smith RM,McLean SG

更新日期：2011-06-01 00:00:00