{"id":41,"date":"2021-09-28T13:53:17","date_gmt":"2021-09-28T13:53:17","guid":{"rendered":"https:\/\/www.activgyms.com\/?post_type=classes&p=41"},"modified":"2026-05-12T09:41:20","modified_gmt":"2026-05-12T09:41:20","slug":"grit-strength-class","status":"publish","type":"classes","link":"https:\/\/www.activgyms.com\/en\/classes\/grit-strength-class\/","title":{"rendered":"Grit Strength Class"},"content":{"rendered":"

30-minute high-intensity interval training (HIIT) workout<\/p>\n

Build strength and power<\/p>\n

Improves cardiovascular fitness<\/p>\n

Burns up to 500 calories per class<\/p>","protected":false},"featured_media":5025,"template":"","class_list":["post-41","classes","type-classes","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"\nGrit Strength Class - Activ Gyms<\/title>\n<meta name=\"description\" content=\"It's 30-minute high-intensity interval training (HIIT) workout Build strength and power Improves cardiovascular fitness\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.activgyms.com\/en\/classes\/grit-strength-class\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Grit Strength Class - Activ Gyms\" \/>\n<meta property=\"og:description\" content=\"It's 30-minute high-intensity interval training (HIIT) workout Build strength and power Improves cardiovascular fitness\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.activgyms.com\/en\/classes\/grit-strength-class\/\" \/>\n<meta property=\"og:site_name\" content=\"Activ Gyms\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-12T09:41:20+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.activgyms.com\/wp-content\/uploads\/2021\/09\/Grit-Strength-L-1.png\" \/>\n\t<meta property=\"og:image:width\" content=\"700\" \/>\n\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.activgyms.com\\\/en\\\/classes\\\/grit-strength-class\\\/\",\"url\":\"https:\\\/\\\/www.activgyms.com\\\/en\\\/classes\\\/grit-strength-class\\\/\",\"name\":\"Grit Strength Class - Activ Gyms\",\"isPartOf\":{\"@id\":\"http:\\\/\\\/localhost:10013\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.activgyms.com\\\/en\\\/classes\\\/grit-strength-class\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.activgyms.com\\\/classes\\\/grit-strength-class\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.activgyms.com\\\/wp-content\\\/uploads\\\/2021\\\/09\\\/Grit-Strength-L-1.png\",\"datePublished\":\"2021-09-28T13:53:17+00:00\",\"dateModified\":\"2026-05-12T09:41:20+00:00\",\"description\":\"It's 30-minute high-intensity interval training (HIIT) workout Build strength and power Improves cardiovascular fitness\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.activgyms.com\\\/en\\\/classes\\\/grit-strength-class\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[[\"https:\\\/\\\/www.activgyms.com\\\/en\\\/classes\\\/grit-strength-class\\\/\"]]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.activgyms.com\\\/en\\\/classes\\\/grit-strength-class\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.activgyms.com\\\/wp-content\\\/uploads\\\/2021\\\/09\\\/Grit-Strength-L-1.png\",\"contentUrl\":\"https:\\\/\\\/www.activgyms.com\\\/wp-content\\\/uploads\\\/2021\\\/09\\\/Grit-Strength-L-1.png\",\"width\":700,\"height\":350},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.activgyms.com\\\/en\\\/classes\\\/grit-strength-class\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.activgyms.com\\\/en\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Gym Classes\",\"item\":\"https:\\\/\\\/www.activgyms.com\\\/en\\\/classes\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Grit Strength Class\"}]},{\"@type\":\"WebSite\",\"@id\":\"http:\\\/\\\/localhost:10013\\\/#website\",\"url\":\"http:\\\/\\\/localhost:10013\\\/\",\"name\":\"Activ Gyms\",\"description\":\"Fitness for All\",\"publisher\":{\"@id\":\"http:\\\/\\\/localhost:10013\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"http:\\\/\\\/localhost:10013\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"http:\\\/\\\/localhost:10013\\\/#organization\",\"name\":\"Activ Gyms\",\"url\":\"http:\\\/\\\/localhost:10013\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"http:\\\/\\\/localhost:10013\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.activgyms.com\\\/wp-content\\\/uploads\\\/2023\\\/03\\\/cropped-241703621_101018058995544_8798125462126368762_n-1.png\",\"contentUrl\":\"https:\\\/\\\/www.activgyms.com\\\/wp-content\\\/uploads\\\/2023\\\/03\\\/cropped-241703621_101018058995544_8798125462126368762_n-1.png\",\"width\":140,\"height\":35,\"caption\":\"Activ Gyms\"},\"image\":{\"@id\":\"http:\\\/\\\/localhost:10013\\\/#\\\/schema\\\/logo\\\/image\\\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Grit Strength Class - Activ Gyms","description":"It's 30-minute high-intensity interval training (HIIT) workout Build strength and power Improves cardiovascular fitness","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.activgyms.com\/en\/classes\/grit-strength-class\/","og_locale":"en_US","og_type":"article","og_title":"Grit Strength Class - Activ Gyms","og_description":"It's 30-minute high-intensity interval training (HIIT) workout Build strength and power Improves cardiovascular fitness","og_url":"https:\/\/www.activgyms.com\/en\/classes\/grit-strength-class\/","og_site_name":"Activ Gyms","article_modified_time":"2026-05-12T09:41:20+00:00","og_image":[{"width":700,"height":350,"url":"https:\/\/www.activgyms.com\/wp-content\/uploads\/2021\/09\/Grit-Strength-L-1.png","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.activgyms.com\/en\/classes\/grit-strength-class\/","url":"https:\/\/www.activgyms.com\/en\/classes\/grit-strength-class\/","name":"Grit Strength Class - Activ Gyms","isPartOf":{"@id":"http:\/\/localhost:10013\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.activgyms.com\/en\/classes\/grit-strength-class\/#primaryimage"},"image":{"@id":"https:\/\/www.activgyms.com\/classes\/grit-strength-class\/#primaryimage"},"thumbnailUrl":"https:\/\/www.activgyms.com\/wp-content\/uploads\/2021\/09\/Grit-Strength-L-1.png","datePublished":"2021-09-28T13:53:17+00:00","dateModified":"2026-05-12T09:41:20+00:00","description":"It's 30-minute high-intensity interval training (HIIT) workout Build strength and power Improves cardiovascular fitness","breadcrumb":{"@id":"https:\/\/www.activgyms.com\/en\/classes\/grit-strength-class\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":[["https:\/\/www.activgyms.com\/en\/classes\/grit-strength-class\/"]]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.activgyms.com\/en\/classes\/grit-strength-class\/#primaryimage","url":"https:\/\/www.activgyms.com\/wp-content\/uploads\/2021\/09\/Grit-Strength-L-1.png","contentUrl":"https:\/\/www.activgyms.com\/wp-content\/uploads\/2021\/09\/Grit-Strength-L-1.png","width":700,"height":350},{"@type":"BreadcrumbList","@id":"https:\/\/www.activgyms.com\/en\/classes\/grit-strength-class\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.activgyms.com\/en\/"},{"@type":"ListItem","position":2,"name":"Gym Classes","item":"https:\/\/www.activgyms.com\/en\/classes\/"},{"@type":"ListItem","position":3,"name":"Grit Strength Class"}]},{"@type":"WebSite","@id":"http:\/\/localhost:10013\/#website","url":"http:\/\/localhost:10013\/","name":"Activ Gyms","description":"Fitness for All","publisher":{"@id":"http:\/\/localhost:10013\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"http:\/\/localhost:10013\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"http:\/\/localhost:10013\/#organization","name":"Activ Gyms","url":"http:\/\/localhost:10013\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"http:\/\/localhost:10013\/#\/schema\/logo\/image\/","url":"https:\/\/www.activgyms.com\/wp-content\/uploads\/2023\/03\/cropped-241703621_101018058995544_8798125462126368762_n-1.png","contentUrl":"https:\/\/www.activgyms.com\/wp-content\/uploads\/2023\/03\/cropped-241703621_101018058995544_8798125462126368762_n-1.png","width":140,"height":35,"caption":"Activ Gyms"},"image":{"@id":"http:\/\/localhost:10013\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/www.activgyms.com\/en\/wp-json\/wp\/v2\/classes\/41","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.activgyms.com\/en\/wp-json\/wp\/v2\/classes"}],"about":[{"href":"https:\/\/www.activgyms.com\/en\/wp-json\/wp\/v2\/types\/classes"}],"version-history":[{"count":1,"href":"https:\/\/www.activgyms.com\/en\/wp-json\/wp\/v2\/classes\/41\/revisions"}],"predecessor-version":[{"id":13524,"href":"https:\/\/www.activgyms.com\/en\/wp-json\/wp\/v2\/classes\/41\/revisions\/13524"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.activgyms.com\/en\/wp-json\/wp\/v2\/media\/5025"}],"wp:attachment":[{"href":"https:\/\/www.activgyms.com\/en\/wp-json\/wp\/v2\/media?parent=41"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}