{"id":3449,"date":"2026-01-07T16:36:55","date_gmt":"2026-01-07T22:36:55","guid":{"rendered":"https:\/\/fitcr.com\/?post_type=product&#038;p=3449"},"modified":"2026-04-20T10:40:23","modified_gmt":"2026-04-20T16:40:23","slug":"bf-4","status":"publish","type":"product","link":"https:\/\/fitcr.com\/en\/product\/bf-4\/","title":{"rendered":"BF-4 Selectorized Back Extension"},"content":{"rendered":"<p data-start=\"191\" data-end=\"645\">The <b>BF-4<\/b>\u00a0est\u00e1 dise\u00f1ada para fortalecer la zona lumbar y toda la cadena posterior de forma <strong data-start=\"307\" data-end=\"341\">m\u00e1s c\u00f3moda, segura y eficiente<\/strong>, eliminando la necesidad de sostener discos o kettlebells durante el ejercicio. Su sistema selectorized mantiene una <strong data-start=\"459\" data-end=\"520\">resistencia constante durante todo el rango de movimiento<\/strong>, mejorando la activaci\u00f3n muscular y el control, ideal para entrenamiento de fuerza, rehabilitaci\u00f3n y uso comercial continuo.<\/p>\n<h3 data-start=\"652\" data-end=\"688\"><strong data-start=\"658\" data-end=\"688\">Caracter\u00edsticas destacadas<\/strong><\/h3>\n<ul data-start=\"689\" data-end=\"1275\">\n<li data-start=\"689\" data-end=\"765\">\n<p data-start=\"691\" data-end=\"765\"><strong data-start=\"691\" data-end=\"715\">Sistema selectorized<\/strong> para ajustar la carga de forma r\u00e1pida y segura.<\/p>\n<\/li>\n<li data-start=\"766\" data-end=\"860\">\n<p data-start=\"768\" data-end=\"860\">Elimina el esfuerzo de sujetar discos o kettlebells, brindando mayor comodidad al usuario.<\/p>\n<\/li>\n<li data-start=\"861\" data-end=\"934\">\n<p data-start=\"863\" data-end=\"934\">Mantiene la <strong data-start=\"875\" data-end=\"896\">tensi\u00f3n constante<\/strong> en todo el recorrido del ejercicio.<\/p>\n<\/li>\n<li data-start=\"935\" data-end=\"1014\">\n<p data-start=\"937\" data-end=\"1014\">Favorece la <strong data-start=\"949\" data-end=\"980\">descompresi\u00f3n de la columna<\/strong> en la fase baja del movimiento.<\/p>\n<\/li>\n<li data-start=\"1015\" data-end=\"1103\">\n<p data-start=\"1017\" data-end=\"1103\">Permite entrenar la cadena posterior con <strong data-start=\"1058\" data-end=\"1073\">menos carga<\/strong>, logrando alta efectividad.<\/p>\n<\/li>\n<li data-start=\"1104\" data-end=\"1195\">\n<p data-start=\"1106\" data-end=\"1195\">Ideal para trabajo bilateral o unilateral, mejorando equilibrio y estabilidad muscular.<\/p>\n<\/li>\n<li data-start=\"1196\" data-end=\"1275\">\n<p data-start=\"1198\" data-end=\"1275\">Reduce el riesgo de ca\u00edda de pesos al piso, ideal para gimnasios comerciales.<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"1282\" data-end=\"1318\"><strong data-start=\"1289\" data-end=\"1318\">Especificaciones t\u00e9cnicas<\/strong><\/h3>\n<ul data-start=\"1319\" data-end=\"1445\">\n<li data-start=\"1319\" data-end=\"1388\">\n<p data-start=\"1321\" data-end=\"1388\"><strong data-start=\"1321\" data-end=\"1337\">Dimensiones:<\/strong> 122 cm (largo) x 99 cm (ancho) x 157.8 cm (alto)<\/p>\n<\/li>\n<li data-start=\"1389\" data-end=\"1414\">\n<p data-start=\"1391\" data-end=\"1414\"><strong data-start=\"1391\" data-end=\"1405\">Peso neto:<\/strong> 250 kg<\/p>\n<\/li>\n<li data-start=\"1415\" data-end=\"1445\">\n<p data-start=\"1417\" data-end=\"1445\"><strong data-start=\"1417\" data-end=\"1436\">Placas de peso:<\/strong> 120 kg<\/p>\n<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>La BF-4\u00a0est\u00e1 dise\u00f1ada para fortalecer la zona lumbar y toda la cadena posterior de forma m\u00e1s c\u00f3moda, segura y eficiente, eliminando la necesidad de sostener discos o kettlebells durante el ejercicio. Su sistema selectorized mantiene una resistencia constante durante todo el rango de movimiento, mejorando la activaci\u00f3n muscular y el control, ideal para entrenamiento de [&hellip;]<\/p>\n","protected":false},"featured_media":3450,"template":"","meta":[],"product_brand":[],"product_cat":[85],"product_tag":[],"class_list":{"0":"post-3449","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-booty-force","8":"first","9":"instock","10":"taxable","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/fitcr.com\/en\/wp-json\/wp\/v2\/product\/3449","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fitcr.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/fitcr.com\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/fitcr.com\/en\/wp-json\/wp\/v2\/media\/3450"}],"wp:attachment":[{"href":"https:\/\/fitcr.com\/en\/wp-json\/wp\/v2\/media?parent=3449"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/fitcr.com\/en\/wp-json\/wp\/v2\/product_brand?post=3449"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/fitcr.com\/en\/wp-json\/wp\/v2\/product_cat?post=3449"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/fitcr.com\/en\/wp-json\/wp\/v2\/product_tag?post=3449"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}