English
norskBlar i forfatter "Krustrup, Peter"
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Caffeine supplementation does not affect match activities and fatigue resistance during match play in young football players
(Journal article; Tidsskriftartikkel; Peer reviewed, 2014-10-30)The study examined the effect of caffeine supplementation on match activities and development of fatigue during a football match. In a randomised, double-blind cross-over design, two experimental football games separated by 7 days were organised between the junior teams of two professional football clubs (17.6 ± 1.1 years (±s), 71.7 ± 6.9 kg, 13.9% ± 5.0% body fat). The players ingested either a ... -
Danger zone assessment in small-sided recreational football: Providing data for consideration in relation to COVID-19 transmission
(Journal article; Tidsskriftartikkel; Peer reviewed, 2021-01-11)Abstract - During the COVID-19 pandemic, physical inactivity has increased, and a wide range of sporting activities locked down, with possible long-term implications for public health. Football is the most popular sport worldwide, and recreational football training leads to broad-spectrum health effects. Football is, however, deemed a contact sport with frequent close contact important to consider ... -
The Faroe Islands COVID-19 Recreational Football Study: Player-to-Player Distance, Body-to-Body Contact, Body-to-Ball Contact and Exercise Intensity during Various Types of Football Training for Both Genders and Various Age Groups
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-03-17)We determined player-to-player distance, body-to-ball contact, and exercise intensity during three training modalities in various football populations. 213 participants were recruited, ranging from 9-year-old boys to young men and 11-year-old girls to middleaged women. All groups were analysed with video-filming and GPS-based Polar Pro monitors during three types of football training for 20 min, ... -
Health and performance effects of 12 weeks of small-sided street football training compared to grass football training in habitually active young men
(Journal article; Tidsskriftartikkel; Peer reviewed, 2023-09-15)Purpose - The purpose of the present study was to investigate the health and exercise performance effects of street football training on very small pitches surrounded by boards in young habitually active men in comparison to small-sided football training on grass.<p> <p>Methods - Thirty-nine habitually active men (30.7 ± 6.7 years, 90.9 ± 16.6 kg, 183.8 ± 4.5 cm, 39.6 ± 6.0 mL/min/kg) were randomly ... -
Internal and external load during 8 v 8, 5 v 5 and 3 v 3 in Chinese elite youth male football players
(Journal article; Tidsskriftartikkel; Peer reviewed, 2022-02-04)Aim to investigate internal and external load in three different game formats (8v8, 5v5, 3v3 with 80 m<sup>2</sup> per player) of small-sided games (SSG) in Chinese elite youth football players. Twenty-nine elite male football players (age: 18.3 ± 0.5 years (mean ± SD), height: 175 ± 6 cm, weight: 65.5 ± 6.3 kg) participated in randomized order in the three formats. Each session consisted of ... -
Kicking velocity and effect on match performance when using a smaller, lighter ball in women's football
(Journal article; Tidsskriftartikkel; Peer reviewed, 2016-08-23)The present study evaluated the effect of a smaller, lighter ball on kicking speed and technical- tactical and physical match performance in high-level adult female footballers. In the laboratory test setting, the peak ball velocity was 6 % higher with the new ball (NB) than the standard ball (SB) (26.5 ± 0.5 vs. 25.1 ± 0.5 m · s − 1, p < 0.05). However, during match-play, no differences ... -
Physical performance and loading for six playing positions in elite female football: full-game, end-game, and peak periods
(Journal article; Tidsskriftartikkel; Peer reviewed, 2021-03-22)The present study investigated the position-specific match demands and heart rate response of female elite footballers, with special focus on the full-game, end-game, and peak-intensity periods. In total, 217 match observations were performed in 94 players from all eight teams of the best Danish Women's League, that is, goalkeepers (GK, n = 10), central defenders (CD, n = 23), full-backs ... -
Physical performance and loading for six playing positions in elite female football: full‐game, end‐game, and peak periods
(Journal article; Tidsskriftartikkel; Peer reviewed, 2021-03-22)The present study investigated the position-specific match demands and heart rate response of female elite footballers, with special focus on the full-game, end-game, and peak-intensity periods. In total, 217 match observations were performed in 94 players from all eight teams of the best Danish Women's League, that is, goalkeepers (GK, n = 10), central defenders (CD, n = 23), full-backs (FB, n = ... -
Position specific physical performance and running intensity fluctuations in elite women's football
(Journal article; Tidsskriftartikkel; Peer reviewed, 2021-11-26)The purpose of the present study was to investigate the physical performance of elite female football players during match play along with transient alterations in running performance following 1- and 5-min univariate peak periods. 54 elite female players from four top-level Norwegian teams were monitored for one season (n = 393 match observations), and physical performance data collected using ... -
Position specific physical performance and running intensity fluctuations in elite women’s football
(Journal article; Tidsskriftartikkel; Peer reviewed, 2021-11-26)The purpose of the present study was to investigate the physical performance of elite female football players during match play along with transient alterations in running performance following 1- and 5-min univariate peak periods. 54 elite female players from four top-level Norwegian teams were monitored for one season (n = 393 match observations), and physical performance data collected ... -
The recovery of muscle function and glycogen levels following game-play in young elite male ice hockey players
(Journal article; Tidsskriftartikkel; Peer reviewed, 2023-09-05)Despite the frequent occurrence of congested game fixtures in elite ice hockey, the postgame recovery pattern has not previously been investigated. The purpose of the present study was therefore to evaluate the acute decrements and subsequent recovery of skeletal muscle glycogen levels, muscle function and repeated-sprint ability following ice hockey game-play. Sixteen male players from the ... -
Reproducibility of Internal and External Training Load During Recreational Small-Sided Football Games
(Journal article; Tidsskriftartikkel; Peer reviewed, 2020-02-05)<b>Purpose</b>: The aim of this study was to evaluate the reproducibility of internal and external load parameters during recreational small-sided football games. <b>Methods</b>: Ten healthy untrained young adult males (age: 20.2 ± 1.9 yr, body mass: 69.2 ± 6.3 kg, height: 175.4 ± 5.9 cm, body fat: 19.7 ± 5.2%) performed two 2 × 20-min sessions of four versus four plus goalkeeper small-sided games ... -
Team-sport training as a worthy alternative to fitness training for sedentary women with lifestyle diseases in a community health centre
(Journal article; Tidsskriftartikkel; Peer reviewed, 2019-11-08)This study aimed to examine the health effects of fitness training and team-sport training in a pragmatic community health centre set-up for women with lifestyle diseases. The methods included training intensity evaluations and measurements of VO<sub>2</sub>max, blood pressure, body composition and exercise performance. In all, 40 women in the fitness training group (FG) and 34 women in the team-sport ... -
Technical demands across playing positions of the Asian Cup in male football
(Journal article; Tidsskriftartikkel; Peer reviewed, 2019-06-28)The aim of this study was to compare technical variables by playing positions in football during the 2015 Asian Cup. Top-level male football players (n = 202) that completed the full 90-min game were considered. Match-analysis data were collected using OPTA Sportsdata (www.optasports.com). Kruskal–Wallis H non-parametric test revealed that external midfielders (EM) scored more goals than fullbacks ...
