Blar i Import fra CRIStin på forfatter "Ylvisåker, Einar"
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The association between preschool quality and objectively assessed physical activity among Norwegian preschoolers
Johannessen, Kjersti; Bjørnestad, Elisabeth; Nilsen, Ada Kristine Ofrim; Ylvisåker, Einar; Nornes-Nymark, Merete; Engesæter, Mari; Pedersen, Lillian; Aadland, Eivind (Peer reviewed; Journal article, 2020)Various aspects of the preschool environment may either promote or restrict children’s moderate- to-vigorous physical activity (MVPA), for example through opportunities for outdoor play. The aim of the present study was ... -
Bi-directional prospective associations between objectively measured physical activity and fundamental motor skills in children: a two-year follow-up
Nilsen, Ada Kristine Ofrim; Anderssen, Sigmund Alfred; Johannessen, Kjersti; Aadland, Katrine Nyvoll; Ylvisåker, Einar; Loftesnes, Jan Morten; Aadland, Eivind (Peer reviewed; Journal article, 2020)Background: The direction of the longitudinal relationship between physical activity (PA) and fundamental motor skills (FMS) remains unclear. We evaluated the bi-directional, prospective relationships between intensity-specific ... -
Boys, older children, and highly active children benefit most from the preschool arena regarding moderate-to-vigorous physical activity: A cross-sectional study of Norwegian preschoolers
Nilsen, Ada Kristine Ofrim; Anderssen, Sigmund Alfred; Resaland, Geir Kåre; Johannessen, Kjersti; Ylvisåker, Einar; Aadland, Eivind (Journal article; Peer reviewed, 2019)The preschool environment exerts an important influence on children's behaviour, including physical activity (PA). However, information is lacking regarding where and when most of children's PA is undertaken. This study ... -
Examination of the ZXY Arena Tracking System for Association Football Pitches
Medbø, Jon Ingulf; Ylvisåker, Einar (Peer reviewed; Journal article, 2023)Modern analyses of football games require precise recordings of positions and movements. The ZXY arena tracking system reports the position of players wearing a dedicated chip (transponder) at high time resolution. The ... -
Fysiske krav hjå profesjonelle fotballspelarar i OBOS-ligaen i kamp : Fysiske krav for ulike spelposisjonar
Sæterbakken, Atle Hole; Ylvisåker, Einar; Riiser, Amund; Moe, Vegard Fusche; Andersen, Vidar (Chapter; Peer reviewed, 2017)Nyare forsking har vist at forflyttingane i fotballspelet skjer raskare enn før, men kunnskap om forflyttingane i norsk toppfotball eksisterer i liten grad. Studien har undersøkt forflyttingane til profesjonelle ... -
Match running performance on three different competitive standards in Norwegian soccer
Sæterbakken, Atle Hole; Haug, Vebjørn; Fransson, Dan; Grendstad, Halvard; Gundersen, Hilde; Moe, Vegard Fusche; Ylvisåker, Einar; Shaw, Matthew; Riiser, Amund; Andersen, Vidar (Peer reviewed; Journal article, 2019)The aim of the study was to compare running performance of three competitive standards and to examine the effects of being promoted to a higher league in Norwegian football. One clubʼs first and second team were included. ... -
Reproducibility of objectively measured physical activity: Reconsideration needed
Aadland, Eivind; Nilsen, Ada Kristine Ofrim; Ylvisåker, Einar; Johannessen, Kjersti; Anderssen, Sigmund Alfred (Peer reviewed; Journal article, 2020)Reliability of accelerometer-determined physical activity (PA), and thus the required length of a monitoring period, appears to depend on the analytic approach used for its calculation. We compared reliability of objectively ... -
Running Performance and Position is Not Related to Decision-Making Accuracy in Referees
Riiser, Amund; Andersen, Vidar; Sæterbakken, Atle Hole; Ylvisåker, Einar; Moe, Vegard Fusche (Journal article; Peer reviewed, 2019)We aimed to assess if running performance is related to decision-making accuracy in referees. We also investigated the relationships between movement, position, decision-making and time of infringement. The study included ...