Results 21 to 30 of about 9,417,604 (319)
Children, 2023 (1) Background: Regular physical activity has multiple benefits. Therefore, school recess is a key tool to provide opportunities for schoolchildren to engage in extracurricular physical activity, have fun, play and interact with their peers.
Jose Sulla-Torres +6 more
doaj +1 more source
Вопросы образования, 2020 Data obtained by Russian psychologists and sociologists is used to substantiate the need for school-based interventions to improve school climate and reduce overall peer aggression.
Arthur Rean, Alexey Stavtsev
doaj +1 more source
Relationship Between the Number of Steps Taken During Lockdown Caused by the COVID-19 Pandemic and Low Back Pain [PDF]
Rehabilitacja Medyczna, 2022 Introduction: In 2020, the whole world was overwhelmed by the SARS-CoV-2 coronavirus threat. In order to prevent the spread of the virus, national governments introduced restrictions of movement in public spaces, closing schools and universities, while ...
Dariusz Boguszewski +3 more
doaj +1 more source
Making big steps in trajectories [PDF]
, 2010 We consider the solution of initial value problems within the context of hybrid systems and emphasise the use of high precision approximations (in software for exact real arithmetic). We propose a novel algorithm for the computation of trajectories up to
A. Balluchi +18 more
core +2 more sources
Three steps to accelerated expansion [PDF]
, 2010 We study the dynamics of a non-minimally coupled scalar field cosmology with a potential function. We use the framework of dynamical systems theory to investigate all evolutional paths admissible for all initial conditions.
Chevallier +6 more
core +2 more sources
JMIR mHealth and uHealth, 2020 Background Consumer-wearable activity trackers are small electronic devices that record fitness and health-related measures. Objective The purpose of this systematic review was to examine the validity and reliability of commercial wearables in measuring ...
D. Fuller +11 more
semanticscholar +1 more source
Polymer Informatics: Current Status and Critical Next Steps [PDF]
Materials Science and Engineering: R: Reports, 2020 Artificial intelligence (AI) based approaches are beginning to impact several domains of human life, science and technology. Polymer informatics is one such domain where AI and machine learning (ML) tools are being used in the efficient development ...
Lihua Chen +6 more
semanticscholar +1 more source
Modeling of broad crested weirs by using dynamic similarity and CFD
Romanian Journal of Ecology & Environmental Chemistry, 2020 Broad crested weirs and steps are used to regulate the flow in the channel, increase the water level at the upstream side and measure the discharge. The construction of the broad crested weirs is more practical and also they are more stable compared with
Ali Yildiz +3 more
doaj +1 more source
The Influence of Chronotype and Grit on Lifestyle and Physical Activity
Building Healthy Academic Communities Journal, 2020 Background: The chronotype of a person refers to an individual's natural sleep-wake cycle and whether that individual prefers morning or evening activities, and grit is an individual's perseverance and passion for long-term goals.
Melody F. Allee +10 more
doaj +1 more source
VZTAH ÚROVNĚ POHYBOVÉ AKTIVITY KE KOMPONENTÁM TĚLESNÉ ZDATNOSTI U DĚTÍ ŠKOLNÍHO VĚKU Z LIBERECKÉHO REGIONU [PDF]
ACC Journal, 2019 Hlavním cílem výzkumu je na základě stanovení úrovně pohybové aktivity a základních komponent tělesné zdatnosti u dětí ve věku 10–12 let objasnit sílu vztahů mezi těmito proměnnými.
Kupr Jaroslav +2 more
doaj +1 more source