Search results for "Train"

Subjective stress, objective heart rate variability-based stress, and recovery on workdays among overweight and psychologically distressed individual…

2015

Background: The present study aimed to investigate how subjective self-reported stress is associated with objective heart rate variability (HRV)-based stress and recovery on workdays. Another aim was to investigate how physical activity (PA), body composition, and age are associated with subjective stress, objective stress, and recovery. Methods: Working-age participants (n = 221; 185 women, 36 men) in this cross-sectional study were overweight (body mass index, 25.3-40.1 kg/m(2)) and psychologically distressed (>= 3/12 points on the General Health Questionnaire). Objective stress and recovery were based on HRV recordings over 1-3 workdays. Subjective stress was assessed by the Perceived St…

Leisure‐time cross‐country skiing is associated with lower incidence of type 2 diabetes : A prospective cohort study

2020

Aims. Cross‐country skiing is associated with reduction in risk of adverse vascular outcomes, but its association with type 2 diabetes is uncertain. We aimed to assess the associations between leisure‐time cross‐country skiing habits and incident type 2 diabetes. Methods. We analyzed data of 2,483 middle‐aged men with no history of diabetes at baseline in the KIHD prospective study. The frequency, average duration, and intensity of leisure cross‐country skiing were assessed at baseline using a 12‐month physical activity questionnaire. Hazard ratios (HRs) (95% CIs) for type 2 diabetes were estimated. Results. During a median follow‐up of 21.6 years, 539 men developed type 2 diabetes. Type 2 …

SuperJump training in eumenorrheic women and gut peptides: a randomized controlled study about the mechanism of action on bone and glucose homeostasis

2022

The role played by physical activity in promoting bone health is now widely recognized. Physical activity limits and slows down the physiological demineralization that occurs over the years and plays an important role in the prevention of osteoporosis. SuperJump, a high-impact training activity performed on a mini-trampoline characterized by alternating between aerobic and anaerobic exercises, has been shown to be able to generate a substantial osteogenic response and increase bone balance and strength in eumenorrheic women. In this study it was analyzed whether gastrointestinal peptides play a role in the regulation of bone metabolism and their impact on glucose homeostasis. Methods Using …

Vauhtia elinvuosiin liikunnalla : entä lisää elinvuosia?

2018

Havainnoivien seurantatutkimusten mukaan runsas vapaa-ajan liikunnanharrastus on yhteydessä alempaan ennenaikaisen kuoleman riskiin. Syy-seuraus -suhdetta ei kuitenkaan ole pystytty varmistamaan satunnaistetuissa kontrolloiduissa interventiotutkimuksissa. Monia muita terveyshyötyjä – kuten vaikutukset fyysiseen suorituskykyyn ja kehon koostumukseen – on näin pystytty varmistamaan. Niitä kannattaakin käyttää perusteena mieluummin kuin mahdollista vaikutusta eliniän pituuteen, kun liikuntaa markkinoidaan terveyshyödyillä. nonPeerReviewed

BEM analysis of a piezoelectric structural health monitoring system for delamination detection

2013

In the present work a piezoelectric based structural health monitoring (SHM) system is analyzed with the aim of assessing the ability of the piezoelectric patch to detect both edge and embedded delaminations proper of flange-skin composite laminated structures. he boundary element model is developed for piezoelectric solids and is implemented by taking advantage of the multidomain technique to model laminated and cracked configurations. A non-linear spring model interface is then implemented in conjunction with an iterative procedure allowing for the simulation of the finite stiffness of the bonding layers as well as of the non-penetration condition of the delamination surfaces. he dynamic …

Le Currency board : les contraintes de financement et d'ajustement de la convertibilité intégrale

2000

The paper scrutinizes the consequences of the adoption of a currency board arrangement (CBA) by some emerging economies during the 1990s. Considering the justifications o f this choice and the different setting-up contexts, it focuses on the implications of a CBA on the financial system and the real economy. A high degree of liquidity of the banking system is required in the absence of a lender-of-last-resort, and the automatic money supply process strictly disciplines the fiscal policy. Monetary stability is restored; but in most o f these economies where capital markets are underdeveloped, CBA's rules make the domestic credit supply dependent on the ability o f the economy to maintain ove…

Rheological Properties of Different Film Blowing Polyethylene Samples Under Shear and Elongational Flow

2005

Summary: The rheological behavior of polyethylenes ismainly dominated by the molecular weight, the molecularweight distribution and by the type, the amount and thedistribution of the chain branches. In this work a linearmetallocenecatalyzedpolyethylene(m-PE),abranchedme-tallocene catalyzed polyethylene (m-bPE), a conventionallinear low density polyethylene (LLDPE) and a low densitypolyethylene (LDPE) have been investigated in order tocompare their rheological behavior in shear and in elonga-tional flow. The four samples have similar melt flow indexand in particular a value typical of film blowing grade.The melt viscosity has been studied both in shear and inisothermal and non-isothermal elonga…

The effect of inbreeding rate on fitness, inbreeding depression and heterosis over a range of inbreeding coefficients

2014

Understanding the effects of inbreeding and genetic drift within populations and hybridization between genetically differentiated populations is important for many basic and applied questions in ecology and evolutionary biology. The magnitudes and even the directions of these effects can be influenced by various factors, especially by the current and historical population size (i.e. inbreeding rate). Using Drosophila littoralis as a model species, we studied the effect of inbreeding rate over a range of inbreeding levels on (i) mean fitness of a population (relative to that of an outbred control population), (ii) within‐population inbreeding depression (reduction in fitness of offspring fro…

Effects of 26 weeks plyometric and dynamic strength training and estrogen replacement therapy on isometric muscle strength of postmenopausal women

1998

Improved Maximum Strength, Vertical Jump and Sprint Performance after 8 Weeks of Jump Squat Training with Individualized Loads

2016

The purpose of the study was to determine the effects of 8 weeks of jump squat training on isometric half squat maximal force production (Fmax) and rate of force development over 100ms (RFD100), countermovement jump (CMJ) and squat jump (SJ) height, and 50 m sprint time in moderately trained men. Sixty eight subjects (~21 years, ~180 cm, ~75 kg) were divided into experimental (EXP; n = 36) and control (CON, n = 32) groups. Tests were completed pre-, mid- and post-training. EXP performed jump squat training 3 times per week using loads that allowed all repetitions to be performed with ≥90% of maximum average power output (13 sessions with 4 sets of 8 repetitions and 13 sessions with 8 sets o…