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Halvard Grendstad, PhD Profile
Halvard Grendstad, PhD

@GrendstadH

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Head of Youth Physical Development @Vålerenga Fotball. PhD on the training of youth athletes from Norwegian School of Sport Sciences @nih_physicperf . S&C coach

Oslo, Norway
Joined July 2009
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@GrendstadH
Halvard Grendstad, PhD
9 months
RT @phd_sean: Great trip to Norway with @David_johnson11 to help @eirikwik @GrendstadH @ThomasBroBra and the @nff_info educate academy staf….
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@GrendstadH
Halvard Grendstad, PhD
1 year
Presenting some very interesting findings at #acsm2024 on endurance-training girls that hopefully will be published in a journal soon 👇. The impact of puberty strongly influences the development of VO2max and may obscure potential training-induced changes for the 🫀 and🩸
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@GrendstadH
Halvard Grendstad, PhD
1 year
RT @phd_sean: Really nice set of images illustrating the variance in maturation that can exist within age groups.
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@GrendstadH
Halvard Grendstad, PhD
2 years
RT @nih_sognsvann: Spennande forskingsnytt nå like før skisesongen startar. 12-åringar som trena hardt blei ikkje betre enn dei som hadde l….
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forskning.no
– Funna våre viser at puberteten er den viktigaste faktoren for utvikling av kondisjon, seier forskar. Kan bety mykje for å motverke fråfallet i langrennssporten, meiner langrennstrenar.
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@grok
Grok
41 minutes
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@GrendstadH
Halvard Grendstad, PhD
2 years
RT @eirikwik: New publication out: "Exploring growth, maturity and age as injury risk factors in high-level youth football"⚽. Preliminary (….
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@GrendstadH
Halvard Grendstad, PhD
2 years
🆕 First PhD study out!. 🏃Coaching youth athletes and considering to boost fitness in pre-season? 👇. 🔍Our findings show that high-intensity training do not improve VO2max more than low-intensity strength or play-based training. Link: @JosteinHallen
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@GrendstadH
Halvard Grendstad, PhD
2 years
RT @eirikwik: This is definitely worth a read for those interested in maturity-biases in sports - lots of great insights and quotes from co….
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@GrendstadH
Halvard Grendstad, PhD
2 years
🎧 En flott podcast av @jevnehelse og @StianChri1 som jeg fikk være gjest på sammen med @eirikwik. 🏃🏼‍♂️🩻 🌱 Topp diskusjoner rundt vekst, skader og effekt av trening i puberteten. Kan være mye å plukke opp for trenere og andre med fot i ungdomsidretten 🙋🏼‍♂️.
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podcasts.apple.com
Medicine Podcast · Every two months · Dette er podcasten der vi vil samle alle faggrupper og profesjoner som jobber med det som årlig i Norge plager flest og koster mest - nemlig muskel- og skjelet...
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@GrendstadH
Halvard Grendstad, PhD
2 years
🌱Puberty is an important time for healthy and strong bones to develop 🦴. 🏃🍽️For young athletes, eating enough food and vit D are two factors to promote healthy bones and possibly reduce injury risk, especially during the dark winter (hey all🇳🇴🇸🇪). A nice short review on this👇.
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@GrendstadH
Halvard Grendstad, PhD
2 years
"Den tidlige veien til voksenidrett er ikke for alle". 🧊 Vi trenger litt is i magen og ekstra tålmodighet når vi skal utvikle våre neste idrettsutøvere. Alle blir voksen til slutt 🌟💪. En kommentar fra @H_Herrebroden og meg. #idrett #talentutvikling.
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dagsavisen.no
Vi er på mange måter inne i ungdommens tidsalder i norsk idrett.
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@GrendstadH
Halvard Grendstad, PhD
2 years
Godt skrevet om utfordring i idretten. Mer fokus på tidlige resultater og prestasjon er ikke en god utvikling, og heller ikke noe det er bevis for at gir bedre prestasjoner som voksen. Barneidrett må være for barn, ikke voksne. Tid for selvransakelse
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nrk.no
Det er på høy tid at idrettsledelsen tar et oppgjør med seg selv.
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@GrendstadH
Halvard Grendstad, PhD
2 years
Flott at NFF er på ball, med en strategi Belgia startet for mange år siden 👍 Ett godt tiltak, men vi har fortsatt mye å hente på å utjevne forskjeller i ungdomsfotball.
vg.no
Norges Fotballforbund (NFF) har bestemt seg for sitt neste store satsningsområde: Å fange opp spillere som henger litt etter i den fysiske utviklingen.
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@GrendstadH
Halvard Grendstad, PhD
3 years
Signs of athlete's heart already by the age of 12 in👧&👦endurance athletes. Through adolescence, boys🫀 adapt and enlarge more than girls🫀. Nice figs and study with data from a cohort in our research group @MarianneForsaa @JosteinHallen @ThorEdvardsen.
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@GrendstadH
Halvard Grendstad, PhD
3 years
💥 Great review discussing the challenge of maturation in youth (male) sport, and the different approaches to level the playing field in selection and training/competition 👇🏼. #mdpichildren via @MDPIOpenAccess.
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mdpi.com
In this conceptual paper, we contextualise ongoing attempts to manage challenge dynamics in talent systems in sport. Firstly, we review the broad literature base related to biological maturation,...
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@GrendstadH
Halvard Grendstad, PhD
3 years
Offside rule 101 with some very nice graphics. Nothing new here (for those who knows the rules) but maybe some inspiration to explain other complicated topics in an easy way 🤩
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washingtonpost.com
The offside rule shapes the World Cup. Do you know it when you see it?
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@GrendstadH
Halvard Grendstad, PhD
3 years
Research does not always involve lab coats and measuring o2 and blood 🌡 Various efforts are done behind the scenes but are rarely revealed. Mine today:. Picking up our 13-yr old subjects in a bus 1hr from of our lab, listening to them singing Justin Biebers “Baby” on repeat 🤷🏼‍♂️😅.
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@GrendstadH
Halvard Grendstad, PhD
3 years
The odds of being the best (top 100) do persist to senior level but decreases. Take-home message: focus on mastery and individual progress rather than performance between individuals in the same age group. Give all young athletes time to reach their potential ⭐️
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@GrendstadH
Halvard Grendstad, PhD
3 years
Just out!. In 🇳🇴 track running, the relative age effect is evident in both 60m and 600m. What is striking, something happens around peak growth spurt for most boys (13-14 years)🤔They run from both the girls and their relatively younger classmates. Open📖.
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