Results 21 to 30 of about 1,637,956 (389)

Relationship between sleep quality, mood state, and performance of elite air-rifle shooters

open access: yesBMC Sports Science, Medicine and Rehabilitation, 2022
Background To evaluate the impact of pre-competition sleep quality on the mood and performance of elite air-rifle shooters. Methods Elite shooters who participated in an air-rifle shooting-competition from April 2019 to October 2019 were evaluated using ...
Jiaojiao Lu, Yan An, Jun Qiu
doaj   +1 more source

Chiral analysis of selected enantiomeric drugs relevant in doping controls

open access: yesJournal of Chromatography Open, 2021
Various substances classified by the World Anti-Doping Agency (WADA) as prohibited in sports feature one or more chiral centers. Amongst those, few analytes exist that are so-called threshold substances, for which also enantiomerically pure drugs are ...
Ana Rubio   +6 more
doaj   +1 more source

Doping [PDF]

open access: yes, 2012
Since centuries ago, man has always tried to find ways to improve human performance whilst suffering less in doing so. People who were thought to be the best were preferentially fed better diets and given treatments that were considered to be ...
Bonello Spiteri, Danica
core   +1 more source

Alcohol and Substance Use Disorders Diagnostic Criteria Changes and Innovations in ICD-11: An Overview

open access: yesClinical Psychology in Europe, 2022
[Background] The new revision of the ICD came into effect on January 1st, 2022, and significant changes have been introduced in the section related to substance use disorders. [Method] In the present work we describe the new ICD-11 section “Disorders due
Alice Matone   +3 more
doaj   +1 more source

Capturing doping attitudes by self-report declarations and implicit assessment: a methodology study [PDF]

open access: yes, 2008
BACKGROUND: Understanding athletes' attitudes and behavioural intentions towards performance enhancement is critical to informing anti-doping intervention strategies.
Aidman, Eugene V   +2 more
core   +2 more sources

Derivatization-Enhanced Analysis of Glucocorticoids for Structural Characterization by Gas Chromatography-Orbitrap High-Resolution Mass Spectrometry

open access: yesMolecules, 2023
Glucocorticoids are classified in section S9 of the Prohibited List of the World Anti-Doping Agency, due to a potential risk to improving physical performance and causing harm to the health of athletes.
Yuqi Ge   +3 more
doaj   +1 more source

Quantifying and analysing the angular momentum in volleyball jump serve during the aerial phase: relationship to arm swing speed [PDF]

open access: yesPeerJ
Background In volleyball, the jump serve is a crucial and commonly used serving technique. Nonetheless, the angular momentum developed during the jump serve remains unexplored.
Lingjun Liu   +4 more
doaj   +2 more sources

Mechanisms of doping graphene [PDF]

open access: yes, 2010
We distinguish three mechanisms of doping graphene. Density functional theory is used to show that electronegative molecule like F4-TCNQ and electropositive metals like K dope graphene p- and n-type respectively.
Aarts   +26 more
core   +1 more source

Dietary Supplement and Food Contaminations and Their Implications for Doping Controls

open access: yesFoods, 2020
A narrative review with an overall aim of indicating the current state of knowledge and the relevance concerning food and supplement contamination and/or adulteration with doping agents and the respective implications for sports drug testing is presented.
Katja Walpurgis   +4 more
doaj   +1 more source

Reporting doping in sport: national level athletes' perceptions of their role in doping prevention. [PDF]

open access: yes, 2014
This paper qualitatively explores national level athletes' willingness to report doping in sport. Following ethical approval, semi-structured interviews were conducted with nine national level athletes from rugby league (n = 5) and track and field ...
Australian Crime Commission   +36 more
core   +1 more source

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