{"id":1787,"date":"2018-09-19T18:25:24","date_gmt":"2018-09-19T18:25:24","guid":{"rendered":"https:\/\/integrativewellnessandmovement.com\/iwmanatphys\/?p=1787"},"modified":"2020-01-01T10:57:39","modified_gmt":"2020-01-01T18:57:39","slug":"muscles-psoasmajor","status":"publish","type":"post","link":"https:\/\/integrativewellnessandmovement.com\/iwmanatphys\/anatomyphysiologymuscles\/muscles-psoasmajor\/","title":{"rendered":"Muscles: Psoas Major."},"content":{"rendered":"<p><a href=\"http:\/\/www.integrativewellnessandmovement.com\/iwmstudentresources\/iwmmuscles\/IWM-APMuscles-psoasmajor.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">Download these notes.<\/a><\/p>\n<p>Anatomy &amp; Physiology: Muscles\u2014Psoas Major.<\/p>\n<p>Structure.<\/p>\n<ul>\n<li>Origin: transverse processes and lateral bodies of the last thoracic and all lumbar vertebrae including intervertebral discs.<\/li>\n<li>Insertion: with ilacus into lesser trochanter of the femur.<\/li>\n<li>Of iliopsoas group.<\/li>\n<\/ul>\n<p>Function.<\/p>\n<ul>\n<li>Concentric action: accelerates hip flexion and external\/lateral rotation; extends and rotates lumbar spine. Lesser: ipsilateral pelvic elevation.<\/li>\n<li>Reverse mover action: trunk flexion and lateral flexion; anterior pelvic tilt; contralateral rotation of trunk and pelvis.<\/li>\n<li>Eccentric action: controls\/restrains\/decelerates hip extension and internal rotation; lumbar spine extension and lateral flexion and ipsilateral rotation.<\/li>\n<li>Isometric action: stabilization of lumbo-pelvic hip complex.<\/li>\n<li>Innervation: spinal nerve branches of L2-L3.<\/li>\n<li>Arterial supply: lumbar artery.<\/li>\n<\/ul>\n<p>Clinical Significance.<\/p>\n<p>More.<\/p>\n<ul>\n<li><a href=\"https:\/\/www.anatomynext.com\/psoas-major\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.anatomynext.com\/psoas-major\/<\/a><\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=RLNXAs4vWkE\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.youtube.com\/watch?v=RLNXAs4vWkE<\/a><\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=TmvpoVWBwUw\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.youtube.com\/watch?v=TmvpoVWBwUw<\/a><\/li>\n<li><a href=\"https:\/\/youtu.be\/7BbxUIhYxzA\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/youtu.be\/7BbxUIhYxzA<\/a><\/li>\n<\/ul>\n\n\n<div class=\"rl-gallery-container rl-loading\" id=\"rl-gallery-container-1\" data-gallery_id=\"5675\"> <div class=\"rl-gallery-description\">Psoas major. Used with permission by 3D4Medical.<\/div> <div class=\"rl-gallery rl-basicgrid-gallery \" id=\"rl-gallery-1\" data-gallery_no=\"1\"> <div class=\"rl-gallery-item\"><a href=\"https:\/\/integrativewellnessandmovement.com\/iwmanatphys\/wp-content\/uploads\/2019\/12\/psoasmajorED2.jpg\" title=\"\" data-rl_title=\"\" class=\"rl-gallery-link\" data-rl_caption=\"\" data-rel=\"lightbox-gallery-1\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/integrativewellnessandmovement.com\/iwmanatphys\/wp-content\/uploads\/2019\/12\/psoasmajorED2-300x225.jpg\" width=\"300\" height=\"225\" alt=\"\" \/><\/a><\/div><div class=\"rl-gallery-item\"><a href=\"https:\/\/integrativewellnessandmovement.com\/iwmanatphys\/wp-content\/uploads\/2019\/12\/psoasmajorED1.jpg\" title=\"\" data-rl_title=\"\" class=\"rl-gallery-link\" data-rl_caption=\"\" data-rel=\"lightbox-gallery-1\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/integrativewellnessandmovement.com\/iwmanatphys\/wp-content\/uploads\/2019\/12\/psoasmajorED1-300x225.jpg\" width=\"300\" height=\"225\" alt=\"\" \/><\/a><\/div><div class=\"rl-gallery-item\"><a href=\"https:\/\/integrativewellnessandmovement.com\/iwmanatphys\/wp-content\/uploads\/2019\/12\/psoasmajorED4.jpg\" title=\"\" data-rl_title=\"\" class=\"rl-gallery-link\" data-rl_caption=\"\" data-rel=\"lightbox-gallery-1\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/integrativewellnessandmovement.com\/iwmanatphys\/wp-content\/uploads\/2019\/12\/psoasmajorED4-300x225.jpg\" width=\"300\" height=\"225\" alt=\"\" \/><\/a><\/div><div class=\"rl-gallery-item\"><a href=\"https:\/\/integrativewellnessandmovement.com\/iwmanatphys\/wp-content\/uploads\/2019\/12\/psoasmajorED3.jpg\" title=\"\" data-rl_title=\"\" class=\"rl-gallery-link\" data-rl_caption=\"\" data-rel=\"lightbox-gallery-1\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/integrativewellnessandmovement.com\/iwmanatphys\/wp-content\/uploads\/2019\/12\/psoasmajorED3-300x225.jpg\" width=\"300\" height=\"225\" alt=\"\" \/><\/a><\/div> <\/div> <\/div>\n\n\n\n<p>References<\/p>\n\n\n\n<p>Biel,&nbsp;A. (2015).&nbsp;<em>Trail guide to the body: A hands-on guide to locating muscles, bones and more<\/em>.<\/p>\n\n\n\n<p>Clark,&nbsp;M., Lucett,&nbsp;S., Sutton,&nbsp;B.&nbsp;G., &amp; National Academy of Sports Medicine. (2014).&nbsp;<em>NASM essentials of corrective exercise training<\/em>. Burlington, MA: Jones &amp; Bartlett Learning.<\/p>\n\n\n\n<p>Jenkins,&nbsp;G., &amp; Tortora,&nbsp;G.&nbsp;J. (2012).&nbsp;<em>Anatomy and Physiology: From Science to Life, 3rd Edition International Stu<\/em>. John Wiley &amp; Sons.<\/p>\n\n\n\n<p>Muscolino,&nbsp;J.&nbsp;E. (2017).&nbsp;<em>The muscular system manual: The skeletal muscles of the human body<\/em>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Download these notes. Anatomy &amp; Physiology: Muscles\u2014Psoas Major. Structure. Origin: transverse processes and lateral bodies of the last thoracic and all lumbar vertebrae including intervertebral discs. Insertion: with ilacus into lesser trochanter of the femur. Of iliopsoas group. Function. Concentric action: accelerates hip flexion and external\/lateral rotation; extends and rotates lumbar spine. Lesser: ipsilateral pelvic [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[34],"tags":[],"class_list":["post-1787","post","type-post","status-publish","format-standard","hentry","category-anatomyphysiologymuscles"],"_links":{"self":[{"href":"https:\/\/integrativewellnessandmovement.com\/iwmanatphys\/wp-json\/wp\/v2\/posts\/1787","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/integrativewellnessandmovement.com\/iwmanatphys\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/integrativewellnessandmovement.com\/iwmanatphys\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/integrativewellnessandmovement.com\/iwmanatphys\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/integrativewellnessandmovement.com\/iwmanatphys\/wp-json\/wp\/v2\/comments?post=1787"}],"version-history":[{"count":5,"href":"https:\/\/integrativewellnessandmovement.com\/iwmanatphys\/wp-json\/wp\/v2\/posts\/1787\/revisions"}],"predecessor-version":[{"id":5845,"href":"https:\/\/integrativewellnessandmovement.com\/iwmanatphys\/wp-json\/wp\/v2\/posts\/1787\/revisions\/5845"}],"wp:attachment":[{"href":"https:\/\/integrativewellnessandmovement.com\/iwmanatphys\/wp-json\/wp\/v2\/media?parent=1787"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/integrativewellnessandmovement.com\/iwmanatphys\/wp-json\/wp\/v2\/categories?post=1787"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/integrativewellnessandmovement.com\/iwmanatphys\/wp-json\/wp\/v2\/tags?post=1787"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}