{"id":60889,"date":"2026-09-24T16:40:28","date_gmt":"2026-09-24T16:40:28","guid":{"rendered":"https:\/\/www.birkwood.org.uk\/website\/?p=60889"},"modified":"2026-09-24T16:42:22","modified_gmt":"2026-09-24T16:42:22","slug":"pe-health-related-exercise-lesson-2-exploring-and-understanding-cardio-fitness-part-1","status":"publish","type":"post","link":"https:\/\/www.birkwood.org.uk\/website\/pe-health-related-exercise-lesson-2-exploring-and-understanding-cardio-fitness-part-1\/","title":{"rendered":"PE Health Related Exercise"},"content":{"rendered":"<p>Exploring and Understanding Cardio Fitness Part 1<\/p>\n<p>&nbsp;<\/p>\n\n\t\t<style>\n\t\t\t#gallery-1 {\n\t\t\t\tmargin: auto;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-item {\n\t\t\t\tfloat: left;\n\t\t\t\tmargin-top: 10px;\n\t\t\t\ttext-align: center;\n\t\t\t\twidth: 33%;\n\t\t\t}\n\t\t\t#gallery-1 img {\n\t\t\t\tborder: 2px solid #cfcfcf;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-caption {\n\t\t\t\tmargin-left: 0;\n\t\t\t}\n\t\t\t\/* see gallery_shortcode() in wp-includes\/media.php *\/\n\t\t<\/style>\n\t\t<div data-carousel-extra='{&quot;blog_id&quot;:1,&quot;permalink&quot;:&quot;https:\/\/www.birkwood.org.uk\/website\/pe-health-related-exercise-lesson-2-exploring-and-understanding-cardio-fitness-part-1\/&quot;}' id='gallery-1' class='gallery galleryid-60889 gallery-columns-3 gallery-size-thumbnail'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/www.birkwood.org.uk\/website\/pe-health-related-exercise-lesson-2-exploring-and-understanding-cardio-fitness-part-1\/cardio-fitness-part-11\/'><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"200\" src=\"https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/Cardio-Fitness-Part-11.jpeg?resize=200%2C200&amp;ssl=1\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" srcset=\"https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/Cardio-Fitness-Part-11.jpeg?resize=200%2C200&amp;ssl=1 200w, https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/Cardio-Fitness-Part-11.jpeg?resize=440%2C440&amp;ssl=1 440w, https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/Cardio-Fitness-Part-11.jpeg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/Cardio-Fitness-Part-11.jpeg?zoom=3&amp;resize=200%2C200&amp;ssl=1 600w\" sizes=\"(max-width: 200px) 100vw, 200px\" data-attachment-id=\"60890\" data-permalink=\"https:\/\/www.birkwood.org.uk\/website\/pe-health-related-exercise-lesson-2-exploring-and-understanding-cardio-fitness-part-1\/cardio-fitness-part-11\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/Cardio-Fitness-Part-11.jpeg?fit=800%2C600&amp;ssl=1\" data-orig-size=\"800,600\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;,&quot;alt&quot;:&quot;&quot;}\" data-image-title=\"Cardio Fitness Part 11\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/Cardio-Fitness-Part-11.jpeg?fit=720%2C540&amp;ssl=1\" \/><\/a>\n\t\t\t<\/dt><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/www.birkwood.org.uk\/website\/pe-health-related-exercise-lesson-2-exploring-and-understanding-cardio-fitness-part-1\/cardio-fitness-part-12\/'><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"200\" src=\"https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/Cardio-Fitness-Part-12.jpeg?resize=200%2C200&amp;ssl=1\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" srcset=\"https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/Cardio-Fitness-Part-12.jpeg?resize=200%2C200&amp;ssl=1 200w, https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/Cardio-Fitness-Part-12.jpeg?resize=440%2C440&amp;ssl=1 440w, https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/Cardio-Fitness-Part-12.jpeg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/Cardio-Fitness-Part-12.jpeg?zoom=3&amp;resize=200%2C200&amp;ssl=1 600w\" sizes=\"(max-width: 200px) 100vw, 200px\" data-attachment-id=\"60891\" data-permalink=\"https:\/\/www.birkwood.org.uk\/website\/pe-health-related-exercise-lesson-2-exploring-and-understanding-cardio-fitness-part-1\/cardio-fitness-part-12\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/Cardio-Fitness-Part-12.jpeg?fit=800%2C600&amp;ssl=1\" data-orig-size=\"800,600\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;,&quot;alt&quot;:&quot;&quot;}\" data-image-title=\"Cardio Fitness Part 12\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/Cardio-Fitness-Part-12.jpeg?fit=720%2C540&amp;ssl=1\" \/><\/a>\n\t\t\t<\/dt><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/www.birkwood.org.uk\/website\/pe-health-related-exercise-lesson-2-exploring-and-understanding-cardio-fitness-part-1\/cardio-fitness-part-13\/'><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"200\" src=\"https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/Cardio-Fitness-Part-13.jpeg?resize=200%2C200&amp;ssl=1\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" srcset=\"https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/Cardio-Fitness-Part-13.jpeg?resize=200%2C200&amp;ssl=1 200w, https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/Cardio-Fitness-Part-13.jpeg?resize=440%2C440&amp;ssl=1 440w, https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/Cardio-Fitness-Part-13.jpeg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/Cardio-Fitness-Part-13.jpeg?zoom=3&amp;resize=200%2C200&amp;ssl=1 600w\" sizes=\"(max-width: 200px) 100vw, 200px\" data-attachment-id=\"60892\" data-permalink=\"https:\/\/www.birkwood.org.uk\/website\/pe-health-related-exercise-lesson-2-exploring-and-understanding-cardio-fitness-part-1\/cardio-fitness-part-13\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/Cardio-Fitness-Part-13.jpeg?fit=800%2C600&amp;ssl=1\" data-orig-size=\"800,600\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;,&quot;alt&quot;:&quot;&quot;}\" data-image-title=\"Cardio Fitness Part 13\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/Cardio-Fitness-Part-13.jpeg?fit=720%2C540&amp;ssl=1\" \/><\/a>\n\t\t\t<\/dt><\/dl><br style=\"clear: both\" \/><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/www.birkwood.org.uk\/website\/pe-health-related-exercise-lesson-2-exploring-and-understanding-cardio-fitness-part-1\/cardio-fitness-part-14\/'><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"200\" src=\"https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/Cardio-Fitness-Part-14.jpeg?resize=200%2C200&amp;ssl=1\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" srcset=\"https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/Cardio-Fitness-Part-14.jpeg?resize=200%2C200&amp;ssl=1 200w, https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/Cardio-Fitness-Part-14.jpeg?resize=440%2C440&amp;ssl=1 440w, https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/Cardio-Fitness-Part-14.jpeg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/Cardio-Fitness-Part-14.jpeg?zoom=3&amp;resize=200%2C200&amp;ssl=1 600w\" sizes=\"(max-width: 200px) 100vw, 200px\" data-attachment-id=\"60893\" data-permalink=\"https:\/\/www.birkwood.org.uk\/website\/pe-health-related-exercise-lesson-2-exploring-and-understanding-cardio-fitness-part-1\/cardio-fitness-part-14\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/Cardio-Fitness-Part-14.jpeg?fit=800%2C600&amp;ssl=1\" data-orig-size=\"800,600\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;,&quot;alt&quot;:&quot;&quot;}\" data-image-title=\"Cardio Fitness Part 14\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/Cardio-Fitness-Part-14.jpeg?fit=720%2C540&amp;ssl=1\" \/><\/a>\n\t\t\t<\/dt><\/dl>\n\t\t\t<br style='clear: both' \/>\n\t\t<\/div>\n\n<p>Lesson 3 &#8211; Exploring and understanding flexibility &#8230;<\/p>\n<p>&nbsp;<\/p>\n<div class=\"tiled-gallery type-rectangular tiled-gallery-unresized\" data-original-width=\"1080\" data-carousel-extra='{&quot;blog_id&quot;:1,&quot;permalink&quot;:&quot;https:\\\/\\\/www.birkwood.org.uk\\\/website\\\/pe-health-related-exercise-lesson-2-exploring-and-understanding-cardio-fitness-part-1\\\/&quot;,&quot;likes_blog_id&quot;:49611673}' itemscope itemtype=\"http:\/\/schema.org\/ImageGallery\" > <div class=\"gallery-row\" style=\"width: 1080px; height: 541px;\" data-original-width=\"1080\" data-original-height=\"541\" > <div class=\"gallery-group images-1\" style=\"width: 720px; height: 541px;\" data-original-width=\"720\" data-original-height=\"541\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/www.birkwood.org.uk\/website\/pe-health-related-exercise-lesson-2-exploring-and-understanding-cardio-fitness-part-1\/flexibility1\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"716\"> <meta itemprop=\"height\" content=\"537\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"60896\" data-orig-file=\"https:\/\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/flexibility1.jpeg\" data-orig-size=\"800,600\" data-comments-opened=\"\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;,&quot;alt&quot;:&quot;&quot;}\" data-image-title=\"flexibility1\" data-image-description=\"\" data-medium-file=\"https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/flexibility1.jpeg?fit=300%2C225&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/flexibility1.jpeg?fit=720%2C540&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/flexibility1.jpeg?w=716&#038;h=537&#038;ssl=1\" srcset=\"https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/flexibility1.jpeg?w=800&amp;ssl=1 800w, https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/flexibility1.jpeg?resize=300%2C225&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/flexibility1.jpeg?resize=720%2C540&amp;ssl=1 720w, https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/flexibility1.jpeg?resize=768%2C576&amp;ssl=1 768w\" width=\"716\" height=\"537\" loading=\"lazy\" data-original-width=\"716\" data-original-height=\"537\" itemprop=\"http:\/\/schema.org\/image\" title=\"flexibility1\" alt=\"flexibility1\" style=\"width: 716px; height: 537px;\" \/> <\/a> <\/div> <\/div> <!-- close group --> <div class=\"gallery-group images-2\" style=\"width: 360px; height: 541px;\" data-original-width=\"360\" data-original-height=\"541\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/www.birkwood.org.uk\/website\/pe-health-related-exercise-lesson-2-exploring-and-understanding-cardio-fitness-part-1\/flexibility2\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"356\"> <meta itemprop=\"height\" content=\"267\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"60897\" data-orig-file=\"https:\/\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/flexibility2.jpeg\" data-orig-size=\"800,600\" data-comments-opened=\"\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;,&quot;alt&quot;:&quot;&quot;}\" data-image-title=\"flexibility2\" data-image-description=\"\" data-medium-file=\"https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/flexibility2.jpeg?fit=300%2C225&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/flexibility2.jpeg?fit=720%2C540&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/flexibility2.jpeg?w=356&#038;h=267&#038;ssl=1\" srcset=\"https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/flexibility2.jpeg?w=800&amp;ssl=1 800w, https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/flexibility2.jpeg?resize=300%2C225&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/flexibility2.jpeg?resize=720%2C540&amp;ssl=1 720w, https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/flexibility2.jpeg?resize=768%2C576&amp;ssl=1 768w\" width=\"356\" height=\"267\" loading=\"lazy\" data-original-width=\"356\" data-original-height=\"267\" itemprop=\"http:\/\/schema.org\/image\" title=\"flexibility2\" alt=\"flexibility2\" style=\"width: 356px; height: 267px;\" \/> <\/a> <\/div> <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/www.birkwood.org.uk\/website\/pe-health-related-exercise-lesson-2-exploring-and-understanding-cardio-fitness-part-1\/flexibility3\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"356\"> <meta itemprop=\"height\" content=\"266\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"60898\" data-orig-file=\"https:\/\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/flexibility3.jpeg\" data-orig-size=\"800,600\" data-comments-opened=\"\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;,&quot;alt&quot;:&quot;&quot;}\" data-image-title=\"flexibility3\" data-image-description=\"\" data-medium-file=\"https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/flexibility3.jpeg?fit=300%2C225&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/flexibility3.jpeg?fit=720%2C540&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/flexibility3.jpeg?w=356&#038;h=266&#038;ssl=1\" srcset=\"https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/flexibility3.jpeg?w=800&amp;ssl=1 800w, https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/flexibility3.jpeg?resize=300%2C225&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/flexibility3.jpeg?resize=720%2C540&amp;ssl=1 720w, https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/09\/flexibility3.jpeg?resize=768%2C576&amp;ssl=1 768w\" width=\"356\" height=\"266\" 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<\/div>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Exploring and Understanding Cardio Fitness Part 1 &nbsp; Lesson 3 &#8211; Exploring and understanding flexibility &#8230; &nbsp; 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