Titre : bêta-Alanine

bêta-Alanine : Questions médicales fréquentes

Termes MeSH sélectionnés :

Psychomotor Performance

Questions fréquentes et termes MeSH associés

Diagnostic 2

#1

Comment diagnostiquer une carence en bêta-alanine ?

Il n'existe pas de test spécifique; une évaluation des symptômes et des apports alimentaires est nécessaire.
Carence en acides aminés Bêta-alanine Évaluation nutritionnelle
#2

Quels tests peuvent évaluer les niveaux de bêta-alanine ?

Des analyses sanguines peuvent mesurer les niveaux d'acides aminés, y compris la bêta-alanine.
Analyse sanguine Acides aminés Bêta-alanine

Symptômes 2

#1

Quels sont les symptômes d'une supplémentation excessive en bêta-alanine ?

Une supplémentation excessive peut provoquer des picotements, des démangeaisons ou des rougeurs.
Effets indésirables Bêta-alanine Paresthésie
#2

La bêta-alanine cause-t-elle des effets secondaires ?

Des effets secondaires comme des picotements peuvent survenir, mais ils sont généralement bénins.
Effets secondaires Bêta-alanine Paresthésie

Prévention 2

#1

Comment prévenir une carence en bêta-alanine ?

Une alimentation équilibrée incluant des sources de protéines peut prévenir une carence.
Prévention Bêta-alanine Alimentation équilibrée
#2

Les sportifs doivent-ils se supplémenter en bêta-alanine ?

Les sportifs peuvent bénéficier d'une supplémentation pour améliorer leur endurance et performance.
Supplémentation Bêta-alanine Endurance

Traitements 2

#1

La bêta-alanine est-elle utilisée pour traiter des maladies ?

Elle n'est pas un traitement médical, mais un complément pour améliorer la performance sportive.
Compléments alimentaires Bêta-alanine Performance sportive
#2

Comment la bêta-alanine améliore-t-elle la performance ?

Elle augmente les niveaux de carnosine dans les muscles, retardant la fatigue lors d'exercices intenses.
Carnosine Bêta-alanine Performance physique

Complications 2

#1

Quelles complications peuvent survenir avec une surconsommation ?

Une surconsommation peut entraîner des troubles gastro-intestinaux et des picotements.
Complications Bêta-alanine Troubles gastro-intestinaux
#2

La bêta-alanine peut-elle interagir avec d'autres médicaments ?

Des interactions sont possibles; il est conseillé de consulter un professionnel de santé.
Interactions médicamenteuses Bêta-alanine Consultation médicale

Facteurs de risque 2

#1

Qui est à risque de carence en bêta-alanine ?

Les personnes ayant une alimentation pauvre en protéines ou végétalienne peuvent être à risque.
Carence en acides aminés Bêta-alanine Alimentation végétalienne
#2

Les athlètes d'endurance ont-ils besoin de plus de bêta-alanine ?

Oui, ils peuvent avoir besoin de plus de bêta-alanine pour améliorer leur performance et récupération.
Athlètes Bêta-alanine Performance sportive
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Dr Olivier Menir

Contenu validé par Dr Olivier Menir

Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale


Validation scientifique effectuée le 13/03/2025

Contenu vérifié selon les dernières recommandations médicales

Auteurs principaux

Bryan Saunders

6 publications dans cette catégorie

Affiliations :
  • Applied Physiology and Nutrition Research Group, Rheumatology Division, Faculdade de Medicina FMUSP, School of Physical Education and Sport, University of São Paulo, São Paulo, Brazil.
  • Institute of Orthopaedics and Traumatology, Faculty of Medicine FMUSP, University of São Paulo, São Paulo, Brazil.

Eimear Dolan

5 publications dans cette catégorie

Affiliations :
  • Applied Physiology and Nutrition Research Group, Rheumatology Division, Faculdade de Medicina FMUSP, School of Physical Education and Sport, University of São Paulo, São Paulo, Brazil.

Bruno Gualano

4 publications dans cette catégorie

Affiliations :
  • Applied Physiology and Nutrition Research Group, School of Physical Education and Sport; Rheumatology Division; Faculdade de Medicina FMUSP, Universidade de São Paulo, São Paulo, SP, BR, University of São Paulo, Brazil.
  • Food Research Center, University of São Paulo, São Paulo, Brazil.

Marcelo Papoti

3 publications dans cette catégorie

Affiliations :
  • University of São Paulo, Medicine University of Ribeirão Preto (FMRP-USP), Ribeirão Preto, São Paulo, Brazil.
  • University of São Paulo, School of Physical Education and sport of Ribeirão Preto (EEFERP-USP), Ribeirão Preto, São Paulo, Brazil.
Publications dans "bêta-Alanine" :

Craig Sale

3 publications dans cette catégorie

Affiliations :
  • Musculoskeletal Physiology Research Group, Sport, Health and Performance Enhancement Research Centre, Nottingham Trent University, United Kingdom.

Tasuke Ando

3 publications dans cette catégorie

Affiliations :
  • Laboratory of Animal Microbiology, Department of Animal Science, Graduate School of Agricultural Science, Tohoku University, 468-1, Aramaki Aza Aoba, Aoba-ku, Sendai 980-0845, Japan.
Publications dans "bêta-Alanine" :

Hiroshi Yoneyama

3 publications dans cette catégorie

Affiliations :
  • Laboratory of Animal Microbiology, Department of Animal Science, Graduate School of Agricultural Science, Tohoku University, 468-1, Aramaki Aza Aoba, Aoba-ku, Sendai 980-0845, Japan.
Publications dans "bêta-Alanine" :

Matheus Silva Norberto

2 publications dans cette catégorie

Affiliations :
  • University of São Paulo, Medicine University of Ribeirão Preto (FMRP-USP), Ribeirão Preto, São Paulo, Brazil. matheus.norberto@usp.br.
  • University of São Paulo, School of Physical Education and sport of Ribeirão Preto (EEFERP-USP), Ribeirão Preto, São Paulo, Brazil. matheus.norberto@usp.br.
Publications dans "bêta-Alanine" :

Ricardo Augusto Barbieri

2 publications dans cette catégorie

Affiliations :
  • University of São Paulo, School of Physical Education and sport of Ribeirão Preto (EEFERP-USP), Ribeirão Preto, São Paulo, Brazil.
  • Estácio University, Ribeirão Preto, São Paulo, Brazil.
Publications dans "bêta-Alanine" :

Danilo Rodrigues Bertucci

2 publications dans cette catégorie

Affiliations :
  • Department of Physical Education, State São Paulo University, (UNESP), Rio Claro, São Paulo, Brazil.
Publications dans "bêta-Alanine" :

Ronaldo Bucken Gobbi

2 publications dans cette catégorie

Affiliations :
  • University of São Paulo, School of Physical Education and sport of Ribeirão Preto (EEFERP-USP), Ribeirão Preto, São Paulo, Brazil.
Publications dans "bêta-Alanine" :

Eduardo Zapaterra Campos

2 publications dans cette catégorie

Affiliations :
  • Department of Physical Education, Federal University of Pernambuco, (UFPE), Recife, Pernambuco, Brazil.
Publications dans "bêta-Alanine" :

Ellen Cristini De Freitas

2 publications dans cette catégorie

Affiliations :
  • University of São Paulo, School of Physical Education and sport of Ribeirão Preto (EEFERP-USP), Ribeirão Preto, São Paulo, Brazil.
Publications dans "bêta-Alanine" :

Pedro Perim

2 publications dans cette catégorie

Affiliations :
  • Applied Physiology and Nutrition Research Group, Rheumatology Division, Faculdade de Medicina FMUSP, School of Physical Education and Sport, University of São Paulo, São Paulo, Brazil.

Gabriel Barreto

2 publications dans cette catégorie

Affiliations :
  • Applied Physiology and Nutrition Research Group, Rheumatology Division, Faculdade de Medicina FMUSP, School of Physical Education and Sport, University of São Paulo, São Paulo, Brazil.

Nathan Gobbi

2 publications dans cette catégorie

Affiliations :
  • Applied Physiology and Nutrition Research Group, Rheumatology Division, Faculdade de Medicina FMUSP, School of Physical Education and Sport, University of São Paulo, São Paulo, Brazil.

Ondrej Cesak

2 publications dans cette catégorie

Affiliations :
  • Department of Urology, University Hospital Olomouc, 775 20 Olomouc, Czech Republic.
  • Faculty of Medicine and Dentistry, Palacky University, 775 15 Olomouc, Czech Republic.

Jitka Vostalova

2 publications dans cette catégorie

Affiliations :
  • Department of Medical Chemistry and Biochemistry, Faculty of Medicine and Dentistry, Palacky University, 775 15 Olomouc, Czech Republic.

Ales Vidlar

2 publications dans cette catégorie

Affiliations :
  • Department of Urology, University Hospital Olomouc, 775 20 Olomouc, Czech Republic.
  • Faculty of Medicine and Dentistry, Palacky University, 775 15 Olomouc, Czech Republic.

Sources (10000 au total)

Diurnal variation of psychomotor, cognitive and physical performances in schoolchildren: sex comparison.

The present study investigated the effect of time of day (08h00 vs. 11h00 vs. 14h00 vs. 17h00) and sex (girls vs. boys) on physical (i.e., five jump test (5JT), push-ball test and 5 m shuttle run test... Thirty schoolchildren, equally divided in girls (n = 15; age: 9.60 ± 0.51 years) and boys (n = 15; age: 9.40 ± 0.51 years) performed the digit cancellation test, the trail making test, the 5JT, the 2 ... Results showed that RPE at the end of the test was significantly higher at 11h00 compared to 08h00 (p = 0.02) and 14h00 (p = 0.001) and average RPE was higher at 11h00 compared to 08h00 (p = 0.001). L... Mental flexibility, attention and jump performances were time of day dependent and push-ball test and 5mSRT performances did not change according to the time of day. Also, no clear sex effect was foun...

Higher hippocampal diffusivity values in welders are associated with greater R2* in the red nucleus and lower psychomotor performance.

Chronic excessive welding exposure may be related to higher metal accumulation and structural differences in different subcortical structures. We examined how welding affected brain structures and the... Study includes 42 welders and 31 controls without a welding history. Welding-related structural differences were assessed by volume and diffusion tensor imaging (DTI) metrics in basal ganglia, red nuc... Compared to controls, welders displayed higher hippocampal mean (MD), axial (AD), and radial diffusivity (RD) (p's < 0.036), but similar DTI or volume in other ROIs (p's > 0.117). Welders had higher b... Welding-related higher hippocampal diffusivity metrics may be associated with higher RN R2* and lower psychomotor speed performance. Future studies are warranted to test the role of Pb exposure in the...

Effects of alcohol intoxication on driving performance, confidence in driving ability, and psychomotor function: a randomized, double-blind, placebo-controlled study.

Alcohol-induced driving impairment can occur with any departure from a zero-blood alcohol concentration (BAC). Because intoxication is characterised by impaired judgement, drivers under the influence ... This study examined the effects of alcohol on driving performance, four-choice reaction time (FCRT), and self-rated confidence in driving ability. It specifically focused on alcohol doses equal to com... A randomized, double-blind, placebo-controlled design was utilised. Seventeen participants were tested in three conditions: placebo and two alcohol conditions aiming for BACs of 0.05% and 0.08%. Parti... The high and low alcohol dose conditions resulted in a mean BAC of 0.07%, and 0.04%, respectively (n = 17). The high BAC treatment significantly increased standard deviation of lateral position (SDLP)... The findings of this study show that driving performance and associated psychomotor functioning become significantly impaired below legally permissible driving limits in some jurisdictions. We identif...

Teaching Psychomotor Skills in Undergraduate Nursing Education: An Integrative Review.

Psychomotor skills, a cognitive and fine motor process, are an essential component to undergraduate nursing education. Currently, no national guidelines exist to guide nursing programs on the best way... An integrative review was conducted to determine teaching and practice strategies to support psychomotor skill competence.... Four significant categories were identified and included (1) simulation; (2) technology; (3) deliberate practice; and (4) theoretical and collaborative instruction. Overall, simulation and technology ... Additional research is needed to identify which teaching strategies best support nursing students' long-term knowledge acquisition and competency as they transition into professional practice....

Benefits of vagus nerve stimulation on psychomotor functions in patients with severe drug-resistant epilepsy.

Patients with severe drug-resistant epilepsy (DRE) experience psychomotor disorders. Our study aimed to assess the psychomotor outcomes after vagus nerve stimulation (VNS) in this population.... We prospectively evaluated psychomotor function in 17 adult patients with severe DRE who were referred for VNS. Psychomotor functions were examined, in the preoperative period and at 18 months post-su... At 18 months post-VNS surgery, the Piaget-head scores increased by 3 points (p = 0.008) compared to baseline. Performances were also improved for ROCF test both in copy (+2.4 points, p = 0.001) and re... Patients with severe DRE treated with VNS experienced improved performance in terms of global psychomotor functions. Perceptual organization, visuospatial memory, laterality awareness, sustained atten...

Effects of work-related electronic communication during non-working hours after work from home and office on fatigue, psychomotor vigilance performance and actigraphic sleep: observational study on information technology workers.

This study examined the effects of work-related electronic communication (WREC) during non-working hours in the work from home or office setting on health.... The study recruited 98 information technology workers in a 9-day observational study. They recorded work-life events (eg, work style (working mostly from home or the office) and duration of WREC durin... The frequency of WREC was significantly higher when working mostly from home than in the office (p<0.01). In addition, the duration of WREC was longer when working mostly from home than in the office ... Longer WREC is associated with worse fatigue and depression and lower lapse of PVT (higher alertness) before bedtime for working mostly from the office. Workers, especially those working from the offi...

Spontaneous beta power, motor-related beta power and cortical thickness in major depressive disorder with psychomotor disturbance.

The psychomotor disturbance is a common symptom in patients with major depressive disorder (MDD). The neurological mechanisms of psychomotor disturbance are intricate, involving alterations in the str... A total of 140 patients with MDD and 68 healthy controls performed a simple right-hand visuomotor task during magnetoencephalography (MEG) scanning. All patients were divided into two groups according... The patients with psychomotor slowing showed higher spontaneous beta power, movement-related beta desynchronization and absolute beta power during movement than patients without psychomotor slowing. C... These results suggest that patients with MDD have aberrant cortical beta activity at rest and during movement, combined with abnormal cortical thickness, contributing to the psychomotor disturbance ob...