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Reliability of Maximal Strength and Peak Rate of Force Development in a Portable Nordic Hamstrings Exercise Device

open access: yesSensors, 2023
The Nordic hamstring exercise (NHE) is a very popular exercise used to improve eccentric strength and prevent injuries. The aim of this investigation was to assess the reliability of a portable dynamometer that measures maximal strength (MS) and rate of ...
Júlio A. Costa   +4 more
doaj   +1 more source

Are Soccer and Futsal Affected by the Relative Age Effect? The Portuguese Football Association Case

open access: yesFrontiers in Psychology, 2021
A better understanding of the relative age effect (RAE) in youth will increase the awareness of the need for reducing the bias of (de)selection.
Pedro Figueiredo   +6 more
doaj   +1 more source

Effects of dietary supplements on athletic performance in elite soccer players: a systematic review

open access: yesJournal of the International Society of Sports Nutrition, 2023
Dietary supplements are widely used among athletes, and soccer players are no exception. Nevertheless, evidence supporting the use of dietary supplements aiming to enhance performance in soccer is somewhat contradictory, scarce, or even nonexistent. Thus,
Rodrigo Abreu   +4 more
doaj   +1 more source

An Improved Passing Network for Evaluating Football Team Performance

open access: yesApplied Sciences, 2023
With the continuous development of sensor technology, the realization of football techniques and tactics comes with richer technical support. Among them, network analysis has been widely used to analyze passing behavior, and some results have been ...
Wenxuan Zhou   +3 more
doaj   +1 more source

Hidden Markov Model-Based Video Recognition for Sports

open access: yesAdvances in Mathematical Physics, 2021
In this paper, we conduct an in-depth study and analysis of sports video recognition by improved hidden Markov model. The feature module is a complex gesture recognition module based on hidden Markov model gesture features, which applies the hidden ...
Zhiyuan Wang   +3 more
doaj   +1 more source

Democracy and Football* [PDF]

open access: yesSocial Science Quarterly, 2016
ObjectivesThis article relies on data from two samples of 47 and 49 European countries from 1950 through 2011 and 1,980 and 1,960 football domestic leagues, respectively, to explore to what extent political regimes affect the competitive balance in domestic football (soccer) leagues.MethodsWe run OLS cross‐sectional regressions comparing democracies ...
Ignacio Lago   +2 more
openaire   +2 more sources

Can Tracking Data Help in Assessing Interpersonal Contact Exposure in Team Sports during the COVID-19 Pandemic?

open access: yesSensors, 2020
During the COVID-19 pandemic, the temporary closure of physical activity and sports facilities, and the generalized cancellation or postponement of sports events have a massive impact on social and economic development.
Bruno Gonçalves   +8 more
doaj   +1 more source

The reliability of and agreement between devices used to measure eccentric hamstring strength: a systematic review protocol

open access: yesSystematic Reviews, 2022
Background Isokinetic dynamometry (IKD) is considered as the gold standard method of eccentric hamstring strength measurement, but other devices are more portable, cost-effective, provide real-time data and are thus better suited to the mass testing ...
Daniel Torpey   +4 more
doaj   +1 more source

How much does it cost to implement a community-based walking football programme for patients with type 2 diabetes?

open access: yesBMJ Open Sport & Exercise Medicine, 2023
Objectives The current study analysed the implementation costs of a community-based walking football exercise programme for patients with type 2 diabetes.Methods The direct costs of a community-based walking football programme for middle-aged and older ...
João Brito   +5 more
doaj   +1 more source

Footballer's migraine [PDF]

open access: yesAmerican Heart Journal, 1972
Classical migraine, including incapacitating visual field defects, repeatedly developed in five young men immediately after blows to the head while playing football and in no other circumstances. A similar condition occurred in a professional boxer and an isolated attack in a boy footballer.
openaire   +3 more sources

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