{"id":9296,"date":"2012-05-14T11:01:38","date_gmt":"2012-05-14T17:01:38","guid":{"rendered":"http:\/\/www.cardiophile.net\/?p=7967"},"modified":"2022-11-27T12:55:12","modified_gmt":"2022-11-27T07:25:12","slug":"can-you-explain-the-mechanism-of-heart-muscle-contraction","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/professional\/can-you-explain-the-mechanism-of-heart-muscle-contraction\/","title":{"rendered":"Can you explain the mechanism of heart muscle contraction?"},"content":{"rendered":"<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/0-N3YWuQhVE\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"><\/iframe><\/p>\n<h2><span style=\"color: #008000;\">Can you explain the mechanism of heart muscle contraction?<\/span><\/h2>\n<p>Heart muscle contraction occurs due to the sliding in of actin and myosin myofilaments so that the length of the sarcomere decreases. Sarcomere is the basic unit of the heart muscle and each muscle fibre has multiple sarcomeres. Excitation contraction coupling is mediated by release of calcium from the sarcolemma, when a stimulus transmitted through the Purkinje fibre depolarizes the muscle fibre.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Heart muscle contraction occurs due to the sliding in of actin and myosin myofilaments so that the length of the sarcomere decreases. <\/p>\n","protected":false},"author":1,"featured_media":35343,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[9],"tags":[],"class_list":["post-9296","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-general"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Can you explain the mechanism of heart muscle contraction? - All About Cardiovascular System and Disorders<\/title>\n<meta name=\"description\" content=\"Heart muscle contraction occurs due to the sliding in of actin and myosin myofilaments so that the length of the sarcomere decreases.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/johnsonfrancis.org\/professional\/can-you-explain-the-mechanism-of-heart-muscle-contraction\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Can you explain the mechanism of heart muscle contraction? - All About Cardiovascular System and Disorders\" \/>\n<meta property=\"og:description\" content=\"Heart muscle contraction occurs due to the sliding in of actin and myosin myofilaments so that the length of the sarcomere decreases.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/johnsonfrancis.org\/professional\/can-you-explain-the-mechanism-of-heart-muscle-contraction\/\" \/>\n<meta property=\"og:site_name\" content=\"All About Cardiovascular System and Disorders\" \/>\n<meta property=\"article:published_time\" content=\"2012-05-14T17:01:38+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-11-27T07:25:12+00:00\" \/>\n<meta name=\"author\" content=\"Johnson Francis\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Johnson Francis\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/can-you-explain-the-mechanism-of-heart-muscle-contraction\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/can-you-explain-the-mechanism-of-heart-muscle-contraction\\\/\"},\"author\":{\"name\":\"Johnson Francis\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#\\\/schema\\\/person\\\/5441d907049b914770f4bd98fb57feec\"},\"headline\":\"Can you explain the mechanism of heart muscle contraction?\",\"datePublished\":\"2012-05-14T17:01:38+00:00\",\"dateModified\":\"2022-11-27T07:25:12+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/can-you-explain-the-mechanism-of-heart-muscle-contraction\\\/\"},\"wordCount\":80,\"publisher\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#\\\/schema\\\/person\\\/5441d907049b914770f4bd98fb57feec\"},\"image\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/can-you-explain-the-mechanism-of-heart-muscle-contraction\\\/#primaryimage\"},\"thumbnailUrl\":\"\",\"articleSection\":[\"General Cardiology\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/can-you-explain-the-mechanism-of-heart-muscle-contraction\\\/\",\"url\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/can-you-explain-the-mechanism-of-heart-muscle-contraction\\\/\",\"name\":\"Can you explain the mechanism of heart muscle contraction? 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