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Object.defineProperty(exports, "__esModule", ({ value: true })); exports["default"] = void 0; __webpack_require__(/*! core-js/modules/esnext.iterator.constructor.js */ "../node_modules/core-js/modules/esnext.iterator.constructor.js"); __webpack_require__(/*! core-js/modules/esnext.iterator.find.js */ "../node_modules/core-js/modules/esnext.iterator.find.js"); class Shapes extends elementorModules.frontend.handlers.Base { getDefaultSettings() { return { selectors: { container: '> .elementor-shape-%s' }, svgURL: elementorFrontend.config.urls.assets + 'shapes/' }; } getDefaultElements() { const elements = {}, selectors = this.getSettings('selectors'); elements.$topContainer = this.$element.find(selectors.container.replace('%s', 'top')); elements.$bottomContainer = this.$element.find(selectors.container.replace('%s', 'bottom')); return elements; } isActive() { return elementorFrontend.isEditMode(); } getSvgURL(shapeType, fileName) { let svgURL = this.getSettings('svgURL') + fileName + '.svg'; if (elementor.config.additional_shapes && shapeType in elementor.config.additional_shapes) { svgURL = elementor.config.additional_shapes[shapeType]; if (-1 < fileName.indexOf('-negative')) { svgURL = svgURL.replace('.svg', '-negative.svg'); } } return svgURL; } buildSVG(side) { const baseSettingKey = 'shape_divider_' + side, shapeType = this.getElementSettings(baseSettingKey), $svgContainer = this.elements['$' + side + 'Container']; $svgContainer.attr('data-shape', shapeType); if (!shapeType) { $svgContainer.empty(); // Shape-divider set to 'none' return; } let fileName = shapeType; if (this.getElementSettings(baseSettingKey + '_negative')) { fileName += '-negative'; } const svgURL = this.getSvgURL(shapeType, fileName); jQuery.get(svgURL, data => { $svgContainer.empty().append(data.childNodes[0]); }); this.setNegative(side); } setNegative(side) { this.elements['$' + side + 'Container'].attr('data-negative', !!this.getElementSettings('shape_divider_' + side + '_negative')); } onInit() { if (!this.isActive(this.getSettings())) { return; } super.onInit(...arguments); ['top', 'bottom'].forEach(side => { if (this.getElementSettings('shape_divider_' + side)) { this.buildSVG(side); } }); } onElementChange(propertyName) { const shapeChange = propertyName.match(/^shape_divider_(top|bottom)$/); if (shapeChange) { this.buildSVG(shapeChange[1]); return; } const negativeChange = propertyName.match(/^shape_divider_(top|bottom)_negative$/); if (negativeChange) { this.buildSVG(negativeChange[1]); this.setNegative(negativeChange[1]); } } } exports["default"] = Shapes; /***/ }) }]); //# sourceMappingURL=section-editor-handlers.46a034cbaaa10c6afa92.bundle.js.mapimport Component from './data/component'; import { Templates } from './data/commands'; export default class Module extends elementorModules.editor.utils.Module { onElementorInit() { const config = elementor.documents.getCurrent().config; if ( config.support_site_editor ) { $e.components.register( new Component() ); $e.data.deleteCache( $e.components.get( Component.namespace ), Templates.signature ); } } } @keyframes wobble { from, to { transform: none; } 15% { transform: translate3d(-25%, 0, 0) rotate3d(0, 0, 1, -5deg); } 30% { transform: translate3d(20%, 0, 0) rotate3d(0, 0, 1, 3deg); } 45% { transform: translate3d(-15%, 0, 0) rotate3d(0, 0, 1, -3deg); } 60% { transform: translate3d(10%, 0, 0) rotate3d(0, 0, 1, 2deg); } 75% { transform: translate3d(-5%, 0, 0) rotate3d(0, 0, 1, -1deg); } } .wobble { animation-name: wobble; } 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.wc-block-active-filters__list-item-remove:focus .wc-block-components-chip__remove-icon,.wc-block-active-filters .wc-block-active-filters__list-item-remove:hover .wc-block-components-chip__remove-icon{fill:#fff}.wc-block-active-filters .wc-block-active-filters__list-item-remove:disabled{color:#e0e0e0;cursor:not-allowed}.wc-block-active-filters .wc-block-active-filters__list--chips li,.wc-block-active-filters .wc-block-active-filters__list--chips ul{display:inline}.wc-block-active-filters .wc-block-active-filters__list--chips .wc-block-active-filters__list-item-type{display:none}.wc-block-active-filters .wc-block-active-filters__list--chips .wc-block-components-chip{margin-bottom:.1875em;margin-top:.1875em} Bêta-alanine et Carnosine : Pharmacologie du Tamponnage – Quiminova

Bêta-alanine et Carnosine : Pharmacologie du Tamponnage

La performance physique est souvent influencée par divers facteurs, parmi lesquels la capacité de l’organisme à gérer l’acidité musculaire. Dans ce contexte, deux composés jouent un rôle clé : la bêta-alanine et la carnosine. Cet article explore leur pharmacologie, leur interaction et leur impact sur le tamponnage de l’acidité dans les muscles.

La bêta-alanine est un acide aminé non essentiel, dont la principale fonction consiste à synthétiser la carnosine dans le muscle squelettique. La carnosine, quant à elle, est un dipeptide composé de bêta-alanine et d’histidine, qui agit comme un tampon dans l’organisme, permettant de réguler le pH interne des muscles lors d’exercices intenses, ce qui peut accroître les performances sportives.

1. Les Mécanismes d’Action

La bêta-alanine et la carnosine interagissent principalement par les voies suivantes :

  1. Augmentation de la capacité tampon : La carnosine joue un rôle crucial en neutralisant l’acidité produite par le métabolisme anaérobie, permettant ainsi aux muscles de maintenir une performance optimale plus longtemps.
  2. Rétention de calcium : La présence de carnosine dans les fibres musculaires aide à maintenir des niveaux de calcium adéquats, essentiels pour la contraction musculaire effective.
  3. Protection contre le stress oxydatif : La carnosine agit également comme un antioxydant, protégeant les cellules musculaires des dommages liés au stress oxydatif, ce qui favorise la récupération après l’effort.

2. Implications de la Supplémentation

La supplémentation en bêta-alanine a été largement étudiée pour ses effets bénéfiques sur les performances sportives, notamment :

  1. Amélioration de l’endurance : Les athlètes qui consomment de la bêta-alanine rapportent souvent une augmentation de leur capacité à soutenir des efforts prolongés.
  2. Diminution de la fatigue : La supplémentation peut retarder l’apparition de la fatigue et améliorer la récupération entre les séries d’exercices intenses.
  3. Augmentation de la masse musculaire : En facilitant des entraînements plus longs et plus intenses, la bêta-alanine peut contribuer à une hypertrophie musculaire accrue.

Conclusion

La bêta-alanine et la carnosine sont essentielles à la pharmacologie du tamponnage musculaire, favorisant non seulement la performance sportive, mais aussi la récupération. La compréhension de leurs mécanismes d’action ouvre la porte à des stratégies de nutrition et de supplémentation efficaces pour les athlètes et les personnes actives.