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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 club's first and second team were included. The first team consisted of professional soccer players playing at Level 2 (2015 season) and Level 1 (2016 season). The second team consisted of amateurs playing at Level 4. A fully automatic tracking system was used to examine running performance, divided into different running-speed categories and playing position. Forty-one matches were included containing 278 observations. Level 1 performed 61 and 51% sprinting compared to Level 2 and Level 4 but similar high-speed running. Similar high-speed running distances were observed only for the different playing positions at Level 1 compared to Level 2 and 4. The sprinting distance was greater for the central defender and attacker, and the number of accelerations was greater for central midfielders and wide midfielders' playing at Level 1 compared to lower competitive standards. In conclusion, better competitive standards resulted in greater high-intensity actions than lower leagues in Norwegian soccer. Furthermore, only central defenders and attackers increased their high-intensity locomotions when the team was promoted.
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http://dx.doi.org/10.1055/a-0943-3682 | DOI Listing |
PLoS One
September 2025
Institute of Primary Care, University Hospital of Zurich, Zurich, Switzerland.
Background: In sports science, freestyle swimming has been thoroughly studied for particular performance-related factors. Nonetheless, it is unknown what countries the top freestyle swimmers are from, especially not for age group swimmers. In addition, the existing research on the performance of master freestyle swimmers has yet to confirm that male swimmers achieve faster times than their female counterparts across all age groups and distances.
View Article and Find Full Text PDFPhys Rev Lett
August 2025
University of Sheffield, School of Mathematics and Statistics, Hounsfield Road, Sheffield S3 7RH, United Kingdom.
In a broad class of cosmological models where spacetime is described by a pseudo-Riemannian manifold, photons propagate along null geodesics, and their number is conserved, upcoming gravitational wave (GW) observations can be combined with measurements of the baryon acoustic oscillation (BAO) angular scale to provide model-independent estimates of the sound horizon at the baryon drag epoch. By focusing on the accuracy expected from forthcoming surveys such as the Laser Interferometer Space Antenna GW standard sirens and dark energy spectroscopic instrument (DESI) or Euclid angular BAO measurements, we forecast a relative precision of σ_{r_{d}}/r_{d}∼1.5% within the redshift range z≲1.
View Article and Find Full Text PDFCurr Sports Med Rep
September 2025
Department of Orthopaedics, University of North Carolina School of Medicine, Chapel Hill, NC.
Glenohumeral instability is a common injury affecting contact and collision athletes. Male sex, younger age at time of first dislocation, and contact sports participation are risk factors for recurrent instability. MRI is the gold standard to evaluate soft tissue structures, while CT is beneficial in quantifying glenoid bone loss and identifying on-track and off-track Hill-Sachs lesions.
View Article and Find Full Text PDFCurr Dev Nutr
September 2025
Department of Sport, Exercise and Nutrition, Atlantic Technological University, Galway, Ireland.
Background: Nutrition underpins athletic performance, enhancing training, reducing injury risk, and accelerating recovery. In the event of an injury, performance dietitians (PDs) and nutritionists' (PNs) play a vital role by tailoring nutritional strategies to support tissue repair, optimize athlete's recoveries, and return to play.
Objectives: This study explored nutritional strategies recommended and employed by Irish PDs and PNs to assess, manage, and support athletes during the initial stages of sports-related injuries.
Mol Nutr Food Res
September 2025
Facultat De Medicina i Ciències De La Salut, Universitat Rovira i Virgili, Reus, Spain.
High-fat (HF) diets contribute to obesity, insulin resistance, fatty liver, gut microbiota dysbiosis, oxidative stress, and low-grade chronic inflammation. This study evaluated the preventive effects of dietary Type 2 resistant starch (RS2) from high-amylose maize and low-dose d-fagomine (FG) from buckwheat on these metabolic disturbances. Male Wistar-Kyoto rats (9-10 weeks old) were assigned to four diet groups for 10 weeks: standard (STD) diet, HF diet (45% kcal from fat), HF + RS diet (15% RS2), and HF + FG diet (0.
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