{"id":15221,"date":"2026-10-08T01:11:13","date_gmt":"2026-10-08T01:11:13","guid":{"rendered":"https:\/\/tzfit.com\/?post_type=product&#038;p=15221"},"modified":"2026-10-10T09:44:28","modified_gmt":"2026-10-10T09:44:28","slug":"gs-5006-seated-back-extension-machine","status":"publish","type":"product","link":"https:\/\/tzfit.com\/es\/producto\/gs-5006-seated-back-extension-machine\/","title":{"rendered":"GS-5006 Seated Back Extension Machine"},"content":{"rendered":"<div style=\"width: 1280px;\" class=\"wp-video\"><video class=\"wp-video-shortcode\" id=\"video-15221-1\" width=\"1280\" height=\"720\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"https:\/\/tzfit.com\/wp-content\/uploads\/2026\/05\/banner-video.mp4?_=1\" \/><a href=\"https:\/\/tzfit.com\/wp-content\/uploads\/2026\/05\/banner-video.mp4\">https:\/\/tzfit.com\/wp-content\/uploads\/2026\/05\/banner-video.mp4<\/a><\/video><\/div>\n<div class=\"elementor-element elementor-element-2d9c92ca elementor-widget elementor-widget-heading\" data-id=\"2d9c92ca\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n<div class=\"elementor-widget-container\">\n<h2 class=\"elementor-heading-title elementor-size-default\">Caracter\u00edsticas<\/h2>\n<\/div>\n<\/div>\n<div class=\"elementor-element elementor-element-45ae4b13 elementor-widget elementor-widget-text-editor\" data-id=\"45ae4b13\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n<div class=\"elementor-widget-container\">\n<div data-id=\"kvLWu\">\n<h3><strong>1. Mejoras estructurales para mayor estabilidad y durabilidad<\/strong><\/h3>\n<ol>\n<li>Dise\u00f1o mejorado de la varilla gu\u00eda: Utiliza un tubo de acero inoxidable de \u03a625*2,0 mm (frente al convencional de \u03a620*2,0 mm), lo que reduce significativamente las sacudidas de la pila de peso y garantiza un movimiento m\u00e1s suave.<\/li>\n<li>Estructura reforzada: Los tubos principales (50*100*2,5 mm) y los secundarios (50*75*2,5 mm, 50*50*2,5 mm) garantizan una s\u00f3lida integridad estructural para un uso intensivo.<\/li>\n<li>Cable met\u00e1lico de alto rendimiento: \u03a65,8 mm de cable met\u00e1lico de acero (7*19 hebras) con lubricaci\u00f3n interna y encapsulado de nailon mejora la resistencia y la longevidad.<\/li>\n<\/ol>\n<h3><strong>2. Materiales y procesos de fabricaci\u00f3n de primera calidad<\/strong><\/h3>\n<ol>\n<li>Componentes resistentes a la corrosi\u00f3n: El mango, las articulaciones del eje y los pasadores de la pila de pesas est\u00e1n fabricados con una aleaci\u00f3n de aluminio oxidado para ofrecer una durabilidad ligera.<\/li>\n<li>Recubrimiento superficial avanzado: La pulverizaci\u00f3n electrost\u00e1tica con el proceso \u201c3 capas, 2 horneados\u201d garantiza la resistencia a los ara\u00f1azos y la longevidad est\u00e9tica.<\/li>\n<\/ol>\n<h3><strong>3. Dise\u00f1o centrado en el usuario y funciones de seguridad<\/strong><\/h3>\n<ol>\n<li>Gu\u00eda de entrenamiento intuitiva: Los iconos giratorios del eje rojo y los diagramas de grupos musculares proporcionan instrucciones visuales claras para el entrenamiento en posici\u00f3n neutra.<\/li>\n<li>Etiquetas de peso codificadas por colores: Las transiciones graduales de color verde-amarillo-rojo ofrecen informaci\u00f3n visual instant\u00e1nea sobre los niveles de resistencia.<\/li>\n<\/ol>\n<h3><strong>4. Eficiencia log\u00edstica<\/strong><\/h3>\n<ol>\n<li>Dise\u00f1o modular: El montaje\/desmontaje simplificado y el embalaje compacto optimizan el espacio de env\u00edo y reducen los costes de transporte.<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<h2><strong>Descripci\u00f3n<\/strong><\/h2>\n<ul>\n<li>The Back Extension Machine helps strengthen the lower back and core muscles through controlled extension movements. Designed for commercial fitness use, it provides comfortable positioning and stable support for users looking to improve back strength and posture.<\/li>\n<\/ul>","protected":false},"featured_media":13461,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[113],"product_tag":[],"class_list":["post-15221","product","type-product","status-publish","has-post-thumbnail","product_cat-back-extension-machines","desktop-align-left","tablet-align-left","mobile-align-left","ast-product-gallery-layout-horizontal-slider","ast-product-tabs-layout-horizontal","first","instock","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/tzfit.com\/es\/wp-json\/wp\/v2\/product\/15221","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tzfit.com\/es\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/tzfit.com\/es\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/tzfit.com\/es\/wp-json\/wp\/v2\/comments?post=15221"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tzfit.com\/es\/wp-json\/wp\/v2\/media\/13461"}],"wp:attachment":[{"href":"https:\/\/tzfit.com\/es\/wp-json\/wp\/v2\/media?parent=15221"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/tzfit.com\/es\/wp-json\/wp\/v2\/product_brand?post=15221"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/tzfit.com\/es\/wp-json\/wp\/v2\/product_cat?post=15221"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/tzfit.com\/es\/wp-json\/wp\/v2\/product_tag?post=15221"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}