﻿{"id":215173,"date":"2025-09-07T01:00:11","date_gmt":"2025-09-07T08:00:11","guid":{"rendered":"https:\/\/www.swimmingworldmagazine.com\/news\/?p=215173"},"modified":"2025-10-22T07:59:29","modified_gmt":"2025-10-22T14:59:29","slug":"a-look-at-swimmer-muscles-by-stroke","status":"publish","type":"post","link":"https:\/\/www.swimmingworldmagazine.com\/news\/a-look-at-swimmer-muscles-by-stroke\/","title":{"rendered":"A Look at Swimmer Muscles by Stroke"},"content":{"rendered":"<p><strong>A Look at Swimmer Muscles by Stroke<\/strong><\/p>\n<p><em>By Bri Groves, Swimming World College Intern, in collaboration with the creator of Swim Science, Dr. G. John Mullen<\/em><\/p>\n<p>It\u2019s no surprise that swimmers keep their bodies in peak shape and their commitment comes with an added benefit for fans. Not only can we watch them dominate in the pool, we can also enjoy the visual display of muscles flexing, faces grinning, and some seriously hot racing. Here\u2019s a stroke by stroke breakdown of the stereotypical swimmer\u2019s body.<\/p>\n<h2><strong>Butterfly<\/strong><\/h2>\n<div id=\"attachment_210253\" style=\"width: 710px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-210253\" data-attachment-id=\"210253\" data-permalink=\"https:\/\/www.swimmingworldmagazine.com\/news\/michael-phelps-53\/\" data-orig-file=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/06\/michael-phelps-2016-o-trials-6376.jpg\" data-orig-size=\"2400,1600\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.8&quot;,&quot;credit&quot;:&quot;Peter H. Bick&quot;,&quot;camera&quot;:&quot;NIKON D5&quot;,&quot;caption&quot;:&quot;michael-phelps-&quot;,&quot;created_timestamp&quot;:&quot;1467231383&quot;,&quot;copyright&quot;:&quot;Peter H. Bick&quot;,&quot;focal_length&quot;:&quot;400&quot;,&quot;iso&quot;:&quot;900&quot;,&quot;shutter_speed&quot;:&quot;0.001&quot;,&quot;title&quot;:&quot;michael-phelps-&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"michael-phelps-2016-o-trials 6376\" data-image-description=\"&lt;p&gt;michael-phelps- 200 Fly, 2016, Olympic Trials, Omaha, Swimmers, USA Swimming&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Photo Courtesy: Peter H. Bick&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/06\/michael-phelps-2016-o-trials-6376-700x500.jpg\" data-large-file=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/06\/michael-phelps-2016-o-trials-6376-1024x683.jpg\" class=\"size-medium wp-image-210253\" src=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/06\/michael-phelps-2016-o-trials-6376-700x500.jpg\" alt=\"michael-phelps-\" width=\"700\" height=\"500\" \/><p id=\"caption-attachment-210253\" class=\"wp-caption-text\">Photo Courtesy: Peter H. Bick<\/p><\/div>\n<p>Butterfliers have the arms. Their triceps are toned, their biceps are ripped, and they have some seriously large shoulders. While the undulation relies primarily on the abs and hips, butterfliers focus their efforts on the catch starting with their hands and ending at their lats, allowing the rest of their body to flow through the water.<\/p>\n<p>Butterfly requires the fullest whole body muscle engagement out of the four strokes and the most arm muscle engagement per stroke cycle. While butterfliers often complete less stroke yardage than their counterparts, their high intensity training promotes toned muscles throughout the body.<\/p>\n<p><span style=\"text-decoration: underline;\">Primary Muscle Groups:<\/span><\/p>\n<div id=\"attachment_215411\" style=\"width: 853px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-215411\" data-attachment-id=\"215411\" data-permalink=\"https:\/\/www.swimmingworldmagazine.com\/news\/a-look-at-swimmer-muscles-by-stroke\/butterfly-muscle-groups-2\/\" data-orig-file=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/08\/Butterfly-muscle-groups-2.jpg\" data-orig-size=\"937,1138\" data-comments-opened=\"1\" 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;}\" data-image-title=\"Butterfly muscle groups\" data-image-description=\"&lt;p&gt;Butterfly muscle groups&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Photo Courtesy: Bri Groves&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/08\/Butterfly-muscle-groups-2-700x500.jpg\" data-large-file=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/08\/Butterfly-muscle-groups-2-843x1024.jpg\" class=\"size-large wp-image-215411\" src=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/08\/Butterfly-muscle-groups-2-843x1024.jpg\" alt=\"Butterfly muscle groups\" width=\"843\" height=\"1024\" srcset=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/08\/Butterfly-muscle-groups-2-843x1024.jpg 843w, https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/08\/Butterfly-muscle-groups-2-533x647.jpg 533w, https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/08\/Butterfly-muscle-groups-2-165x200.jpg 165w, https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/08\/Butterfly-muscle-groups-2.jpg 937w\" sizes=\"auto, (max-width: 843px) 100vw, 843px\" \/><p id=\"caption-attachment-215411\" class=\"wp-caption-text\">Photo Courtesy: Bri Groves<\/p><\/div>\n<h2><strong>Backstroke<\/strong><\/h2>\n<div id=\"attachment_48498\" style=\"width: 710px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-48498\" data-attachment-id=\"48498\" data-permalink=\"https:\/\/www.swimmingworldmagazine.com\/news\/5-reasons-to-cheer-for-first-time-olympian-olivia-smoliga\/smoliga-o-2013-us-nats-3215\/\" data-orig-file=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2014\/01\/Smoliga-O-2013-US-Nats-3215-e1469463202495.jpg\" data-orig-size=\"1988,1497\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.8&quot;,&quot;credit&quot;:&quot;Peter H. Bick&quot;,&quot;camera&quot;:&quot;NIKON D4&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1372330634&quot;,&quot;copyright&quot;:&quot;Peter H. Bick&quot;,&quot;focal_length&quot;:&quot;400&quot;,&quot;iso&quot;:&quot;1000&quot;,&quot;shutter_speed&quot;:&quot;0.001&quot;,&quot;title&quot;:&quot;&quot;}\" data-image-title=\"Smoliga O 2013 US Nats 3215\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;Photo Courtesy: Peter H. Bick&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2014\/01\/Smoliga-O-2013-US-Nats-3215-e1469463202495-700x500.jpg\" data-large-file=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2014\/01\/Smoliga-O-2013-US-Nats-3215-e1469463202495-1024x771.jpg\" class=\"size-medium wp-image-48498\" src=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2014\/01\/Smoliga-O-2013-US-Nats-3215-e1469463202495-700x500.jpg\" alt=\"Photo Courtesy: Peter H. Bick\" width=\"700\" height=\"500\" \/><p id=\"caption-attachment-48498\" class=\"wp-caption-text\">Photo Courtesy: Peter H. Bick<\/p><\/div>\n<p>Backstrokers are known for their firm pecs, thighs, and glutes. To keep themselves afloat, backstrokers rely heavily on their chests and midsections. An elite backstroker may appear to be effortlessly moving through the water, when in reality, the swimmer is subconsciously engaging each of these muscle groups. Backstrokers\u2019 lower physical cognizant awareness allows them to continue for long periods of time at high cadences with comparatively low fatigue.<\/p>\n<p>During the sprint cycle, a backstroker changes cadence by\u00a0flexing\u00a0the trapezius and lats. The engagement of these two large muscle groups results in a temporarily increased stroke rate and higher body position. Despite these benefits, prolonged flexing of the neck and back hinders rotation. Thus, these muscles are primarily active during short bursts of speed.<\/p>\n<p><span style=\"text-decoration: underline;\">Primary Muscle Groups:<\/span><\/p>\n<div id=\"attachment_215423\" style=\"width: 853px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-215423\" data-attachment-id=\"215423\" data-permalink=\"https:\/\/www.swimmingworldmagazine.com\/news\/a-look-at-swimmer-muscles-by-stroke\/freestyle-muscle-groups1\/\" data-orig-file=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/08\/Freestyle-muscle-groups1.png\" data-orig-size=\"937,1138\" data-comments-opened=\"1\" 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;}\" data-image-title=\"Freestyle muscle groups1\" data-image-description=\"&lt;p&gt;Freestyle muscle groups1&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Photo Courtesy: Bri Groves&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/08\/Freestyle-muscle-groups1-700x500.png\" data-large-file=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/08\/Freestyle-muscle-groups1-843x1024.png\" class=\"size-large wp-image-215423\" src=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/08\/Freestyle-muscle-groups1-843x1024.png\" alt=\"Freestyle muscle groups1\" width=\"843\" height=\"1024\" srcset=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/08\/Freestyle-muscle-groups1-843x1024.png 843w, https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/08\/Freestyle-muscle-groups1-533x647.png 533w, https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/08\/Freestyle-muscle-groups1-165x200.png 165w, https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/08\/Freestyle-muscle-groups1.png 937w\" sizes=\"auto, (max-width: 843px) 100vw, 843px\" \/><p id=\"caption-attachment-215423\" class=\"wp-caption-text\">Photo Courtesy: Bri Groves<\/p><\/div>\n<h2><strong>Breaststroke<\/strong><\/h2>\n<div id=\"attachment_506968\" style=\"width: 710px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-506968\" data-attachment-id=\"506968\" data-permalink=\"https:\/\/www.swimmingworldmagazine.com\/news\/young-american-swimmers-fulfilling-huge-potential-in-early-going-at-world-championships\/lilly-king-100-breast-prelims-2022-world-championships-budapest-1\/\" data-orig-file=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2022\/06\/lilly-king-100-breast-prelims-2022-world-championships-budapest-1.jpg\" data-orig-size=\"1500,1125\" data-comments-opened=\"1\" 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;1&quot;}\" data-image-title=\"lilly-king-100-breast-prelims-2022-world-championships-budapest-1\" data-image-description=\"&lt;p&gt;6\/20\/22&lt;br \/&gt;\nlilly-king-100-breast-prelims-2022-world-championships-budapest-1&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Photo Courtesy: Andrea Staccioli \/ Deepbluemedia \/ Insidefoto&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2022\/06\/lilly-king-100-breast-prelims-2022-world-championships-budapest-1-700x500.jpg\" data-large-file=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2022\/06\/lilly-king-100-breast-prelims-2022-world-championships-budapest-1-1024x768.jpg\" class=\"size-medium wp-image-506968\" src=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2022\/06\/lilly-king-100-breast-prelims-2022-world-championships-budapest-1-700x500.jpg\" alt=\"lilly-king-100-breast-prelims-2022-world-championships-budapest-1\" width=\"700\" height=\"500\" \/><p id=\"caption-attachment-506968\" class=\"wp-caption-text\">Photo Courtesy: Andrea Staccioli \/ Deepbluemedia \/ Insidefoto<\/p><\/div>\n<p>Breaststrokers dominate when it comes to lower body strength. Like frogs, their legs display wonderful definition while their arms try to catch up. The <a href=\"https:\/\/www.swimmingworldmagazine.com\/news\/tempo-and-rhythm-a-swimmers-secret-weapons\/\" target=\"_blank\" rel=\"noopener noreferrer\">rhythm<\/a> of the stroke is determined by the amount and speed of the water that they can squeeze between their legs.\u00a0An efficient breaststroker combines the force of\u00a0his or her kick with an equally powerful chest press. These combined motions facilitate low stroke counts and muscle relaxation during the gliding period.<\/p>\n<p>In practice, breaststrokers\u00a0often excel in kick sets with minimal fatigue. Look out for them in the IM, as they make their way to the front during the third leg.<\/p>\n<p><span style=\"text-decoration: underline;\">Primary Muscle Groups:<\/span><\/p>\n<div id=\"attachment_215413\" style=\"width: 853px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-215413\" data-attachment-id=\"215413\" data-permalink=\"https:\/\/www.swimmingworldmagazine.com\/news\/a-look-at-swimmer-muscles-by-stroke\/breaststroke-muscle-groups\/\" data-orig-file=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/08\/Breaststroke-muscle-groups.png\" data-orig-size=\"937,1138\" data-comments-opened=\"1\" 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;}\" data-image-title=\"Breaststroke muscle groups\" data-image-description=\"&lt;p&gt;Breaststroke muscle groups&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Photo Courtesy: Bri Groves&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/08\/Breaststroke-muscle-groups-700x500.png\" data-large-file=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/08\/Breaststroke-muscle-groups-843x1024.png\" class=\"wp-image-215413 size-large\" src=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/08\/Breaststroke-muscle-groups-843x1024.png\" alt=\"Breaststroke muscle groups\" width=\"843\" height=\"1024\" srcset=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/08\/Breaststroke-muscle-groups-843x1024.png 843w, https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/08\/Breaststroke-muscle-groups-533x647.png 533w, https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/08\/Breaststroke-muscle-groups-165x200.png 165w, https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/08\/Breaststroke-muscle-groups.png 937w\" sizes=\"auto, (max-width: 843px) 100vw, 843px\" \/><p id=\"caption-attachment-215413\" class=\"wp-caption-text\">Photo Courtesy: Bri Groves<\/p><\/div>\n<h2><strong>Freestyle<\/strong><\/h2>\n<div id=\"attachment_507381\" style=\"width: 710px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-507381\" data-attachment-id=\"507381\" data-permalink=\"https:\/\/www.swimmingworldmagazine.com\/news\/world-championships-leon-marchand-holds-off-carson-foster-for-200-im-title-second-gold-medal-this-week\/david-popovici-100-free-2022-world-championships-budapest-1\/\" data-orig-file=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2022\/06\/david-popovici-100-free-2022-world-championships-budapest-1.jpg\" data-orig-size=\"1500,1125\" data-comments-opened=\"1\" 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;1&quot;}\" data-image-title=\"david-popovici-100-free-2022-world-championships-budapest-1\" data-image-description=\"&lt;p&gt;8\/31\/22 &#038; 6\/24\/23&lt;br \/&gt;\ndavid-popovici-100-free-2022-world-championships-budapest-1&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Photo Courtesy: Andrea Staccioli \/ Deepbluemedia \/ Insidefoto&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2022\/06\/david-popovici-100-free-2022-world-championships-budapest-1-700x500.jpg\" data-large-file=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2022\/06\/david-popovici-100-free-2022-world-championships-budapest-1-1024x768.jpg\" class=\"size-medium wp-image-507381\" src=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2022\/06\/david-popovici-100-free-2022-world-championships-budapest-1-700x500.jpg\" alt=\"david-popovici-100-free-2022-world-championships-budapest-1\" width=\"700\" height=\"500\" \/><p id=\"caption-attachment-507381\" class=\"wp-caption-text\">Photo Courtesy: Andrea Staccioli \/ Deepbluemedia \/ Insidefoto<\/p><\/div>\n<p>Freestylers have the hips, hands, and feet. The stroke\u2019s long axis rotation makes it ideal for tall people and even better for tall people with large appendages. Freestylers\u2019 hands act as paddles while their bare feet often resemble the size of a stroker\u2019s fins. Following the initial catch, freestylers rely on the largest muscle\u00a0groups of the arms and legs to propel them forward.<\/p>\n<p>The complete freestyler package contains wide hips to facilitate easy rotation and promote galloping through the water. A muscular midsection\u00a0promotes connection of the leg muscles to the back and arm muscles. This connection is amplified by\u00a0freestyler&#8217;s slight side pivoting to enable breathing and maintain shoulder stability.<\/p>\n<p><span style=\"text-decoration: underline;\">Primary Muscle Groups:<\/span><\/p>\n<div id=\"attachment_215414\" style=\"width: 853px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-215414\" data-attachment-id=\"215414\" data-permalink=\"https:\/\/www.swimmingworldmagazine.com\/news\/a-look-at-swimmer-muscles-by-stroke\/freestyle-muscle-groups\/\" data-orig-file=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/08\/Freestyle-muscle-groups.png\" data-orig-size=\"937,1138\" data-comments-opened=\"1\" 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;}\" data-image-title=\"Freestyle muscle groups\" data-image-description=\"&lt;p&gt;Freestyle muscle groups&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Photo Courtesy: Bri Groves&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/08\/Freestyle-muscle-groups-700x500.png\" data-large-file=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/08\/Freestyle-muscle-groups-843x1024.png\" class=\"wp-image-215414 size-large\" src=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/08\/Freestyle-muscle-groups-843x1024.png\" alt=\"Freestyle muscle groups\" width=\"843\" height=\"1024\" srcset=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/08\/Freestyle-muscle-groups-843x1024.png 843w, https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/08\/Freestyle-muscle-groups-533x647.png 533w, https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/08\/Freestyle-muscle-groups-165x200.png 165w, https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/08\/Freestyle-muscle-groups.png 937w\" sizes=\"auto, (max-width: 843px) 100vw, 843px\" \/><p id=\"caption-attachment-215414\" class=\"wp-caption-text\">Photo Courtesy: Bri Groves<\/p><\/div>\n<h2><strong>IM<\/strong><\/h2>\n<div id=\"attachment_144275\" style=\"width: 1034px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-144275\" data-attachment-id=\"144275\" data-permalink=\"https:\/\/www.swimmingworldmagazine.com\/news\/a-look-at-swimmer-muscles-by-stroke\/pan-am-games-swimming-400\/\" data-orig-file=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2015\/07\/pan-am-games-swimming-2015-0137.jpg\" data-orig-size=\"2507,1600\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;5.6&quot;,&quot;credit&quot;:&quot;Rob Schumacher-USA TODAY Sports&quot;,&quot;camera&quot;:&quot;Canon EOS-1D X&quot;,&quot;caption&quot;:&quot;Jul 16, 2015; Toronto, Ontario, CAN; Caitlin Leverenz of the United States (bottom) races Emily Overholt of Canada (top) in the women&#039;s swimming 400m individual medley final during the 2015 Pan Am Games at Pan Am Aquatics UTS Centre and Field House. Mandatory Credit: Rob Schumacher-USA TODAY Sports&quot;,&quot;created_timestamp&quot;:&quot;1437096631&quot;,&quot;copyright&quot;:&quot;USA TODAY Sports&quot;,&quot;focal_length&quot;:&quot;294&quot;,&quot;iso&quot;:&quot;5000&quot;,&quot;shutter_speed&quot;:&quot;0.0008&quot;,&quot;title&quot;:&quot;Pan Am Games: Swimming&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"Pan Am Games: Swimming\" data-image-description=\"&lt;p&gt;Jul 16, 2015; Toronto, Ontario, CAN; Caitlin Leverenz of the United States (bottom) races Emily Overholt of Canada (top) in the women&#8217;s swimming 400m individual medley final during the 2015 Pan Am Games at Pan Am Aquatics UTS Centre and Field House. Mandatory Credit: Rob Schumacher-USA TODAY Sports NPStrans, toppic&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Photo Courtesy: Rob Schumacher\/USA Today Sports Images&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2015\/07\/pan-am-games-swimming-2015-0137-700x500.jpg\" data-large-file=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2015\/07\/pan-am-games-swimming-2015-0137-1024x654.jpg\" class=\"size-large wp-image-144275\" src=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2015\/07\/pan-am-games-swimming-2015-0137-1024x654.jpg\" alt=\"Jul 16, 2015; Toronto, Ontario, CAN; Caitlin Leverenz of the United States (bottom) races Emily Overholt of Canada (top) in the women's swimming 400m individual medley final during the 2015 Pan Am Games at Pan Am Aquatics UTS Centre and Field House. Mandatory Credit: Rob Schumacher-USA TODAY Sports\" width=\"1024\" height=\"654\" srcset=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2015\/07\/pan-am-games-swimming-2015-0137-1024x654.jpg 1024w, https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2015\/07\/pan-am-games-swimming-2015-0137-533x340.jpg 533w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><p id=\"caption-attachment-144275\" class=\"wp-caption-text\">Photo Courtesy: Rob Schumacher\/USA Today Sports Images<\/p><\/div>\n<p>IMers are indecisive. They like working a variety of muscle groups and toying with all the strokes. Watching an IM event is like a four in one deal for fans, we get to see all the muscles and strokes. What a crazy combination.<\/p>\n<p><span style=\"text-decoration: underline;\">Primary Muscle Groups:<\/span><\/p>\n<div id=\"attachment_215426\" style=\"width: 853px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-215426\" data-attachment-id=\"215426\" data-permalink=\"https:\/\/www.swimmingworldmagazine.com\/news\/a-look-at-swimmer-muscles-by-stroke\/im-muscle-groups2\/\" data-orig-file=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/08\/IM-muscle-groups2.png\" data-orig-size=\"937,1138\" data-comments-opened=\"1\" 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;}\" data-image-title=\"IM muscle groups2\" data-image-description=\"&lt;p&gt;IM muscle groups2&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Photo Courtesy: Bri Groves&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/08\/IM-muscle-groups2-700x500.png\" data-large-file=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/08\/IM-muscle-groups2-843x1024.png\" class=\"size-large wp-image-215426\" src=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/08\/IM-muscle-groups2-843x1024.png\" alt=\"IM muscle groups2\" width=\"843\" height=\"1024\" srcset=\"https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/08\/IM-muscle-groups2-843x1024.png 843w, https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/08\/IM-muscle-groups2-533x647.png 533w, https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/08\/IM-muscle-groups2-165x200.png 165w, https:\/\/vmrw8k5h.tinifycdn.com\/news\/wp-content\/uploads\/2016\/08\/IM-muscle-groups2.png 937w\" sizes=\"auto, (max-width: 843px) 100vw, 843px\" \/><p id=\"caption-attachment-215426\" class=\"wp-caption-text\">Photo Courtesy: Bri Groves<\/p><\/div>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A Look at Swimmer Muscles by Stroke By Bri Groves, Swimming World College Intern, in collaboration with the creator of Swim Science, Dr. G. John Mullen It\u2019s no surprise that<\/p>\n","protected":false},"author":3477,"featured_media":591014,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"dois","enabled":false},"version":2}},"categories":[17,122607],"tags":[57590,57575],"class_list":["post-215173","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-commentary","category-swim-life","tag-bri-groves","tag-sabrina-groves"],"jetpack_publicize_connections":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin 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