https://community.usms.org/swimming/f/general/11076/butterfly-stokeHey i am intermediate swimmer not long time i started to done the 50m pool using butterfly stroke, but at the end of 50m i feel tired , isn&#39;t cause bad technique or it&#39;s normal thing . other question too, confused about where the move comesen-USTelligent Community 12https://community.usms.org/thread/182257?ContentTypeID=1Sat, 29 Dec 2012 09:04:56 GMT3187ac58-ba85-4314-b79a-c45cd885e09a:7cede015-2e85-437a-9f52-64ad788a690aFormer Memberwhat about the second question?<div style="clear:both;"></div>https://community.usms.org/thread/182376?ContentTypeID=1Sat, 29 Dec 2012 06:54:56 GMT3187ac58-ba85-4314-b79a-c45cd885e09a:0b023bd1-bd84-4eaf-9eda-c2cb09a693bdSwimosaurIn The Butterfly Lane, Yosemite posted a link to this interesting &amp; detailed video. Hopefully it will answer some of your questions. pSMp0U38CDw<div style="clear:both;"></div>https://community.usms.org/thread/182238?ContentTypeID=1Thu, 27 Dec 2012 10:00:32 GMT3187ac58-ba85-4314-b79a-c45cd885e09a:7aff1ff3-d8e1-473b-9d0f-5eda1624efd6SwimosaurHi mar-flyer, To answer one question, it is entirely normal to feel tired at the end of 50 meters butterfly. Even people with good technique have to expend effort to swim this crazy stroke! To answer other questions, please join us in &quot;General Swimming-Related Discussions, here --&gt; forums.usms.org/forumdisplay.php There is an extensive thread about various aspects of butterfly, here --&gt; forums.usms.org/showthread.php<div style="clear:both;"></div>