{"id":11727,"date":"2025-02-27T22:40:01","date_gmt":"2025-02-28T03:40:01","guid":{"rendered":"https:\/\/melindaozel.com\/?page_id=11727"},"modified":"2026-03-04T15:05:42","modified_gmt":"2026-03-04T20:05:42","slug":"facial-muscle-anatomy-function-guide","status":"publish","type":"page","link":"https:\/\/melindaozel.com\/es_cl\/facial-muscle-anatomy-function-guide\/","title":{"rendered":"Anatom\u00eda y funci\u00f3n de los m\u00fasculos faciales: gu\u00eda visual"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"11727\" class=\"elementor elementor-11727\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-10e0cdf elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"10e0cdf\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-b0a43a5\" data-id=\"b0a43a5\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-046bded elementor-widget elementor-widget-text-editor\" data-id=\"046bded\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Una hoja de referencia de los m\u00fasculos faciales para aquellos que quieran ver la anatom\u00eda en acci\u00f3n. Aunque los diagramas de anatom\u00eda facial son fundamentales para aprender la ubicaci\u00f3n, la estructura y las relaciones entre los m\u00fasculos, su forma est\u00e1tica carece de contexto de movimiento. Si necesitas ejemplos de m\u00fasculos aislados contray\u00e9ndose en personas reales, sigue leyendo.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3d88cfb elementor-widget elementor-widget-heading\" data-id=\"3d88cfb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">GRUPO DE M\u00daSCULOS EPICRANEALES<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5fc0b1c elementor-widget elementor-widget-text-editor\" data-id=\"5fc0b1c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>El grupo de m\u00fasculos epicraneales est\u00e1 formado por <strong>occipitofrontal<\/strong> (tambi\u00e9n conocido como frontal y occipital) y <strong>temporoparietal<\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-60d2681 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"60d2681\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-84f500e elementor-widget elementor-widget-heading\" data-id=\"84f500e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">M\u00fasculo occipitofrontal: vientres frontal y occipital<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c13fd8c elementor-widget elementor-widget-heading\" data-id=\"c13fd8c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Abdomen frontal<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-046444e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"046444e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-7c6ef04\" data-id=\"7c6ef04\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e2bedfc elementor-widget elementor-widget-image\" data-id=\"e2bedfc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"300\" height=\"180\" src=\"https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2025\/02\/medial-frontal-belly-of-occipitofrontalis-1.gif?fit=300%2C180&amp;ssl=1\" class=\"attachment-full size-full wp-image-11742\" alt=\"mujer con contracci\u00f3n del m\u00fasculo frontal medial\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-98cbc14 elementor-widget elementor-widget-text-editor\" data-id=\"98cbc14\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><em>contracci\u00f3n del m\u00fasculo frontal medial<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-dea37d9\" data-id=\"dea37d9\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a36c279 elementor-widget elementor-widget-image\" data-id=\"a36c279\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"300\" height=\"180\" src=\"https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2025\/02\/lateral-contraction-of-frontal-belly-1.gif?fit=300%2C180&amp;ssl=1\" class=\"attachment-full size-full wp-image-11741\" alt=\"mujer que contrae el m\u00fasculo frontal lateral\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-effc59b elementor-widget elementor-widget-text-editor\" data-id=\"effc59b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><em>contracci\u00f3n lateral del m\u00fasculo frontal<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-a50eca5 elementor-widget elementor-widget-text-editor\" data-id=\"a50eca5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><u>ACCI\u00d3N FRONTAL<\/u>: La funci\u00f3n del occipitofrontal.\u2019 <a href=\"https:\/\/melindaozel.com\/frontalis-variation\/\" target=\"_blank\" rel=\"noopener\">abdomen frontal (tambi\u00e9n conocido como m\u00fasculo frontal)<\/a> es levantar la zona de las cejas y la frente. Debido a la falta de fijaciones \u00f3seas en la parte frontal del abdomen, <a href=\"https:\/\/melindaozel.com\/forehead-dynamics-frontalis-vs-occipitalis-preview\/\" target=\"_blank\" rel=\"noopener\">La contracci\u00f3n del m\u00fasculo frontal suele provocar una ligera depresi\u00f3n en la l\u00ednea del cabello o en la parte superior del cuero cabelludo.<\/a> tambi\u00e9n. Dado que el abdomen frontal puede contraer sus segmentos medial y lateral de forma aislada, resulta \u00fatil desglosar a\u00fan m\u00e1s el movimiento del frontal detallando sus acciones medial y lateral:<\/p><ul><li><span style=\"text-decoration: underline;\">ACCI\u00d3N DEL M\u00daSCULO FRONTAL MEDIAL<\/span>: Eleva la parte interna de la ceja y la zona medial de la frente.<\/li><li><span style=\"text-decoration: underline;\">ACCI\u00d3N LATERAL DEL FRONTAL<\/span>: Eleva las zonas laterales de las cejas y la frente con un movimiento concentrado en los picos de las cejas.<\/li><\/ul><div><span style=\"text-decoration: underline;\">ARUGAS FRONTALES<\/span>Aunque a menudo se describen como \u201chorizontales\u201d, las arrugas frontales pueden adoptar diversas formas. Pueden ser planas, horizontales y extenderse por toda la frente, pero tambi\u00e9n pueden aparecer en forma de l\u00edneas en forma de ala de gaviota, dos columnas separadas, l\u00edneas centradas en la parte media, patrones an\u00f3malos, etc.<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-72fb018 elementor-widget elementor-widget-heading\" data-id=\"72fb018\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Vientre occipital<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bcbe3ce elementor-widget elementor-widget-text-editor\" data-id=\"bcbe3ce\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><u>ACCI\u00d3N OCIPITAL<\/u>La funci\u00f3n del vientre occipital del m\u00fasculo occipitofrontal (tambi\u00e9n conocido como m\u00fasculo occipital) es retraer y tensar el cuero cabelludo. <a href=\"https:\/\/melindaozel.com\/forehead-dynamics-frontalis-vs-occipitalis\/\" target=\"_blank\" rel=\"noopener\">Se cree que este efecto tensor contrarresta la tensi\u00f3n del cuero cabelludo causada por el m\u00fasculo frontal.<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a1d95c1 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"a1d95c1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7cd97ae elementor-widget elementor-widget-heading\" data-id=\"7cd97ae\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Temporoparietal<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9e6e124 elementor-widget elementor-widget-text-editor\" data-id=\"9e6e124\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>El <a href=\"https:\/\/www.elsevier.com\/books-and-journals\/book-series\/grays-anatomy\" target=\"_blank\" rel=\"noopener\">41.\u00aa edici\u00f3n de <i>Anatom\u00eda de Gray<\/i><\/a>, y la 43.\u00aa, por cierto (v\u00e9ase la nota), describe el m\u00fasculo temporoparietal como una \u201cl\u00e1mina muscular de desarrollo variable que se encuentra entre las partes frontales del m\u00fasculo occipitofrontal y los m\u00fasculos auriculares anterior y superior\u201d. Sin embargo, no describe la acci\u00f3n del m\u00fasculo temporoparietal. Pr\u00f3ximamente habr\u00e1 m\u00e1s informaci\u00f3n.&nbsp;<\/p>\n<p><span style=\"text-decoration: underline;\">NOTA<\/span>: Me arrepiento de haber comprado la 43.\u00aa edici\u00f3n de <em>Anatom\u00eda de Gray<\/em>. La secci\u00f3n \u201cM\u00fasculos de la cara\u201d es b\u00e1sicamente una copia exacta de la 41.\u00aa edici\u00f3n de 2016. Si lo que te interesa son los m\u00fasculos faciales de la expresi\u00f3n, ah\u00f3rrate el dinero y desc\u00e1rgate la versi\u00f3n de 2016. Se puede encontrar gratis en Internet.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-063a6ee elementor-widget elementor-widget-heading\" data-id=\"063a6ee\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">GRUPO DE M\u00daSCULOS CIRCUMORBITALES Y PALPEBRALES<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bcc3368 elementor-widget elementor-widget-text-editor\" data-id=\"bcc3368\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>El grupo circunorbicular y palpebral est\u00e1 formado por el m\u00fasculo orbicular del ojo, el m\u00fasculo corrugador del ce\u00f1o y el m\u00fasculo elevador del p\u00e1rpado superior.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c54e2e9 elementor-widget elementor-widget-heading\" data-id=\"c54e2e9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">M\u00fasculo orbicular del ojo<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4b59e23 elementor-widget elementor-widget-image\" data-id=\"4b59e23\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"900\" height=\"491\" src=\"https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2025\/04\/orbicularis-oculi-muscle-diagram.webp?fit=900%2C491&amp;ssl=1\" class=\"attachment-large size-large wp-image-12513\" alt=\"Diagrama de los m\u00fasculos faciales del orbicular de los ojos.\" srcset=\"https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2025\/04\/orbicularis-oculi-muscle-diagram.webp?w=2386&amp;ssl=1 2386w, https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2025\/04\/orbicularis-oculi-muscle-diagram.webp?resize=300%2C164&amp;ssl=1 300w, https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2025\/04\/orbicularis-oculi-muscle-diagram.webp?resize=1024%2C559&amp;ssl=1 1024w, https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2025\/04\/orbicularis-oculi-muscle-diagram.webp?resize=768%2C419&amp;ssl=1 768w, https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2025\/04\/orbicularis-oculi-muscle-diagram.webp?resize=1536%2C838&amp;ssl=1 1536w, https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2025\/04\/orbicularis-oculi-muscle-diagram.webp?resize=2048%2C1118&amp;ssl=1 2048w, https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2025\/04\/orbicularis-oculi-muscle-diagram.webp?resize=18%2C10&amp;ssl=1 18w, https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2025\/04\/orbicularis-oculi-muscle-diagram.webp?resize=1320%2C720&amp;ssl=1 1320w, https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2025\/04\/orbicularis-oculi-muscle-diagram.webp?w=1800&amp;ssl=1 1800w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Diagrama del m\u00fasculo orbicular del ojo, sus secciones y sus subsecciones.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-678bcd0 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"678bcd0\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-fbe0c34\" data-id=\"fbe0c34\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a581bc7 elementor-widget elementor-widget-image\" data-id=\"a581bc7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"576\" height=\"323\" src=\"https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2025\/04\/orbital-orbicularis-oculi-muscle-movement.gif?fit=576%2C323&amp;ssl=1\" class=\"attachment-full size-full wp-image-12414\" alt=\"mujer contrayendo el m\u00fasculo orbicular del ojo\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-01366cb elementor-widget elementor-widget-text-editor\" data-id=\"01366cb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><em>contracci\u00f3n del m\u00fasculo orbicular del ojo<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-a8272a1\" data-id=\"a8272a1\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a199621 elementor-widget elementor-widget-image\" data-id=\"a199621\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"475\" height=\"267\" src=\"https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2025\/04\/orbicularis-oculi-palpebral-area.gif?fit=475%2C267&amp;ssl=1\" class=\"attachment-full size-full wp-image-12415\" alt=\"mujer entrecerrando los ojos\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f4c1c7f elementor-widget elementor-widget-text-editor\" data-id=\"f4c1c7f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><em>Contracci\u00f3n del m\u00fasculo orbicular del ojo palpebral (presepital).<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-ca5a4f1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ca5a4f1\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-0689479\" data-id=\"0689479\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-bc10a6e elementor-widget elementor-widget-image\" data-id=\"bc10a6e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"560\" src=\"https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2022\/09\/pretarsal-orbicularis-oculi.gif?fit=800%2C560&amp;ssl=1\" class=\"attachment-full size-full wp-image-8855\" alt=\"primer plano de mujer moviendo las pesta\u00f1as\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d68952d elementor-widget elementor-widget-text-editor\" data-id=\"d68952d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><em>Contracci\u00f3n del m\u00fasculo orbicular del ojo (pretarsal).<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-9d089de\" data-id=\"9d089de\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7fbc23f elementor-widget elementor-widget-spacer\" data-id=\"7fbc23f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-34f0a02 elementor-widget elementor-widget-text-editor\" data-id=\"34f0a02\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>El m\u00fasculo orbicular del ojo es un m\u00fasculo complejo de forma ovalada, similar a un esf\u00ednter, con diversas funciones. Lo mejor es describir cada subsecci\u00f3n y funci\u00f3n por separado. A efectos de esta gu\u00eda, nos centraremos en las partes orbital y palpebral, con una breve menci\u00f3n a la zona lacrimal. Tambi\u00e9n desglosaremos la zona palpebral en sus regiones pretarsal y preseptal.<\/p><p><strong>PARTE PALPEBRAL<\/strong><\/p><ul><li><span style=\"text-decoration: underline;\">ACCI\u00d3N PRETARSAL<\/span>La funci\u00f3n de la porci\u00f3n pretarsal del m\u00fasculo orbicular del ojo es acercar los bordes m\u00e1s internos del p\u00e1rpado (las regiones de la l\u00ednea de las pesta\u00f1as) hacia la car\u00fancula lagrimal. La contracci\u00f3n pretarsal contribuye al parpadeo involuntario.<\/li><li><span style=\"text-decoration: underline;\">ACCI\u00d3N PRENATAL<\/span>: La funci\u00f3n de la parte preseptal del m\u00fasculo orbicular del ojo contribuye al parpadeo y al entrecerrar los ojos. La parte superior del m\u00fasculo orbicular preseptal act\u00faa como depresor; es probable que esta parte sea la que interviene m\u00e1s directamente en el parpadeo fuerte o intenso y en el cierre de los ojos con presi\u00f3n. La parte inferior del m\u00fasculo orbicular preseptal act\u00faa como elevador, levantando la zona del p\u00e1rpado inferior para ayudar a entrecerrar los ojos.<\/li><\/ul><div><p><span style=\"font-weight: bold;\">PARTE ORBITAL<\/span><\/p><\/div><div><ul><li><span style=\"text-decoration-line: underline;\">ACCI\u00d3N ORBITAL<\/span>: La funci\u00f3n de la parte orbital es contraer los anillos m\u00e1s externos del m\u00fasculo orbicular del ojo con un movimiento similar a un pellizco. Este pellizco afecta principalmente a la parte lateral del m\u00fasculo orbicular del ojo; sin embargo, el movimiento es m\u00e1s fuerte en la parte inferior de la secci\u00f3n orbital. En el <a href=\"https:\/\/melindaozel.com\/facs-cheat-sheet\/\" target=\"_blank\" rel=\"noopener\">Sistema de codificaci\u00f3n de acciones faciales (FACS)<\/a>, Esta contracci\u00f3n orbital se denomina \u201celevador de mejillas\u201d debido a su amplia influencia en la zona superior de las mejillas.<\/li><\/ul><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c55f6dc elementor-widget elementor-widget-heading\" data-id=\"c55f6dc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Corrugador superciliar<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e5f8fc0 elementor-widget elementor-widget-image\" data-id=\"e5f8fc0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"630\" src=\"https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2025\/12\/corrugator-supercilii-muscle-action.gif?fit=900%2C630&amp;ssl=1\" class=\"attachment-large size-large wp-image-14147\" alt=\"Acci\u00f3n de fruncir el ce\u00f1o causada por la contracci\u00f3n del m\u00fasculo corrugador superciliar. Referencia de movimiento muscular aislado.\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-357a87e elementor-widget elementor-widget-text-editor\" data-id=\"357a87e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"text-decoration: underline;\">ACCI\u00d3N DEL CORRUGADOR SUPERCILII<\/span>La funci\u00f3n del m\u00fasculo corrugador superciliar es tirar de las cejas hacia la l\u00ednea media de la cara, o sea, una hacia la otra. Cuando el corrugador tira de cada ceja hacia adentro, lo hace en un \u00e1ngulo descendente. El grado en que el corrugador tira de las cejas hacia abajo var\u00eda de una persona a otra, ya que algunas personas muestran un fuerte tir\u00f3n hacia abajo y otras muestran un \u00e1ngulo descendente muy peque\u00f1o.<\/p><p>Aunque no siempre se menciona en los libros de texto de anatom\u00eda, <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/18040200\/\">El m\u00fasculo corrugador superciliar est\u00e1 compuesto por dos cabezas.<\/a>:<\/p><ul><li><strong>cabeza transversal<\/strong>: La cabeza transversal es la m\u00e1s grande de las dos cabezas. Su <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK542280\/#:~:text=The%20transverse%20head%20arises%20from,supranasal%20skin%20of%20the%20forehead.\">funci\u00f3n dominante<\/a> es dibujar las cejas hacia el centro. Se puede considerar que la cabeza transversal es la principal responsable de fruncir las cejas.<\/li><\/ul><ul><li><strong>cabeza oblicua<\/strong>: El m\u00fasculo oblicuo es el m\u00e1s peque\u00f1o de los dos m\u00fasculos. Su funci\u00f3n principal es deprimir la zona medial de la ceja (similar al m\u00fasculo depresor del supercilio).<\/li><\/ul><p>Es posible que la variabilidad del \u00e1ngulo descendente de las acciones del corrugador se deba al \u00e1ngulo de la cabeza transversal (que recorre el borde orbital) y\/o a la interacci\u00f3n entre las cabezas transversal y oblicua.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t<div class=\"elementor-element elementor-element-2399ae2 e-flex e-con-boxed e-con e-parent\" data-id=\"2399ae2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-903d18f elementor-widget elementor-widget-heading\" data-id=\"903d18f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Depresor del supercilium<\/h3>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f015bc6 e-flex e-con-boxed e-con e-parent\" data-id=\"f015bc6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-77549c1 e-con-full e-flex e-con e-child\" data-id=\"77549c1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8cd0bc3 elementor-widget elementor-widget-image\" data-id=\"8cd0bc3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"661\" height=\"372\" src=\"https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2026\/03\/depressor-supercilii-muscle-action-example.gif?fit=661%2C372&amp;ssl=1\" class=\"attachment-large size-large wp-image-14908\" alt=\"Depresi\u00f3n medial de la ceja causada por el m\u00fasculo depresor del supercili. Referencia de acci\u00f3n muscular aislada.\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\"><i>depresor del supercilium (dominante en el lado derecho de la pantalla) <\/i><\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0edc5f1 e-con-full e-flex e-con e-child\" data-id=\"0edc5f1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-727feaa elementor-widget elementor-widget-image\" data-id=\"727feaa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"812\" height=\"458\" src=\"https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2026\/03\/depressor-supercilii.gif?fit=812%2C458&amp;ssl=1\" class=\"attachment-large size-large wp-image-14906\" alt=\"Depresi\u00f3n medial de la ceja mediante el m\u00fasculo depresor del supercilium. Diagrama con dibujo superpuesto que muestra la trayectoria del movimiento descendente.\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\"><i>depresor del supercilius (dominante en la pantalla derecha) con tracci\u00f3n hacia arriba<\/i><\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0f1f9b3 e-flex e-con-boxed e-con e-parent\" data-id=\"0f1f9b3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-17fc915 elementor-widget elementor-widget-text-editor\" data-id=\"17fc915\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"text-decoration: underline;\">ACCI\u00d3N DEL DEPRESOR DE LA SUPRAOCULAR<\/span>Ser o no ser... clasificado como un m\u00fasculo independiente. A pesar de la controversia existente sobre si el m\u00fasculo depresor del supercilio es un mero ap\u00e9ndice del m\u00fasculo orbicular del ojo o un m\u00fasculo independiente y pr\u00f3spero, a efectos de esta gu\u00eda: no nos importa. La funci\u00f3n se produce independientemente de la sem\u00e1ntica.<\/p><p>Si alguien pregunta, me complace decir que es un m\u00fasculo independiente. El m\u00fasculo orbicular del ojo ya hace demasiado.<\/p><p>Independientemente del bando en el que te encuentres (ap\u00e9ndice frente a independiente), la funci\u00f3n del m\u00fasculo depresor del ce\u00f1o sigue siendo la misma: tira de la parte medial de las cejas hacia abajo.<\/p><p><span style=\"text-decoration: underline;\">NOTA<\/span>Es bastante dif\u00edcil encontrar referencias del m\u00fasculo depresor del ce\u00f1o actuando solo. Normalmente se ve combinado con el m\u00fasculo corrugador del ce\u00f1o, el m\u00fasculo procerus y\/o varias secciones del m\u00fasculo orbicular del ojo.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-63edc37 e-flex e-con-boxed e-con e-parent\" data-id=\"63edc37\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-72f96dd elementor-widget elementor-widget-text-editor\" data-id=\"72f96dd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>\u00a1Est\u00e9n atentos! Esta gu\u00eda est\u00e1 en proceso de elaboraci\u00f3n. <strong>Si necesita m\u00e1s referencias ahora: consulte el <a href=\"https:\/\/melindaozel.com\/facs-cheat-sheet\/\">FACS Hoja de Trampas<\/a>.<\/strong><\/p><p>Si no sabes qu\u00e9 es FACS... FACS, o Sistema de Codificaci\u00f3n de Acciones Faciales, es un sistema basado en la anatom\u00eda y los m\u00fasculos que sirve para clasificar y describir con detalle los movimientos faciales.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>La hoja de trucos FACS es una gu\u00eda de referencia visual para el Sistema de codificaci\u00f3n de acciones faciales (FACS), con unidades de acci\u00f3n (UA) y sus correspondientes m\u00fasculos faciales. Dise\u00f1ada para animadores, modeladores, riggers, escultores e investigadores interesados en FACS y la anatom\u00eda facial. <\/p>","protected":false},"author":60486633,"featured_media":11731,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-11727","page","type-page","status-publish","has-post-thumbnail"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Facial Muscle Anatomy &amp; Function: A Visual Guide | With Moving References<\/title>\n<meta name=\"description\" content=\"Looking to learn about facial muscles beyond their static forms? 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