{"id":1619,"date":"2018-09-17T23:26:29","date_gmt":"2018-09-17T23:26:29","guid":{"rendered":"https:\/\/integrativewellnessandmovement.com\/iwmanatphys\/?p=1619"},"modified":"2020-01-01T12:00:43","modified_gmt":"2020-01-01T20:00:43","slug":"muscles-abductorpollicisbrevis","status":"publish","type":"post","link":"https:\/\/integrativewellnessandmovement.com\/iwmanatphys\/anatomyphysiologymuscles\/muscles-abductorpollicisbrevis\/","title":{"rendered":"Muscles: Abductor Pollicis Brevis."},"content":{"rendered":"<p><a href=\"http:\/\/www.integrativewellnessandmovement.com\/iwmstudentresources\/iwmmuscles\/IWM-APMuscles-abductorpollicisbrevis.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">Download these notes.<\/a><\/p>\n<p>Anatomy &amp; Physiology: Muscles\u2014Abductor Pollicis Brevis.<\/p>\n<p>Structure.<\/p>\n<ul>\n<li>Origin: flexor retinaculum, scaphoid, and trapezium.<\/li>\n<li>Insertion: lateral side of proximal phalanx of thumb.<\/li>\n<\/ul>\n<p>Function.<\/p>\n<ul>\n<li>Concentric action: abducts thumb at carpometacarpal joint. Lesser: thumb flexion at MCO; thumb extension at CMC and IP.<\/li>\n<li>Reverse mover action: abudction of trapezium at CMC; flexion of thumb at MCP; trapezium extension at CMC; extension of proximal phalanx of thumb at IP.<\/li>\n<li>Eccentric action: controls\/restrains\/slows thumb adduction at CMC; thumb extension at MCP; flexion of thumb at CMC and IP.<\/li>\n<li>Isometric action: stabilizes CMC, MCP, and IP joints of thumb.<\/li>\n<li>Innervation: median nerve.<\/li>\n<li>Arterial supply: radial artery.<\/li>\n<\/ul>\n<p>Clinical Significance.<\/p>\n<p>More.<\/p>\n<ul>\n<li><a href=\"https:\/\/www.anatomynext.com\/abductor-pollicis-brevis\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.anatomynext.com\/abductor-pollicis-brevis\/<\/a><\/li>\n<li>https:\/\/www.youtube.com\/watch?v=YIkt5uj3DrI<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=ZGlXpSffRyw\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.youtube.com\/watch?v=ZGlXpSffRyw<\/a><\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=gUooutTt2tc\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.youtube.com\/watch?v=gUooutTt2tc<\/a><\/li>\n<\/ul>\n\n\n<div class=\"rl-gallery-container rl-loading\" id=\"rl-gallery-container-1\" data-gallery_id=\"5556\"> <div class=\"rl-gallery-description\">Abductor pollicis brevis manus. 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\/abductor-pollicis-brevis-manusED.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\/abductor-pollicis-brevis-manusED-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>Cedars-Sinai. (2018). Vertebrae of the spine. Retrieved from https:\/\/www.cedars-sinai.org\/health-library\/diseases-and-conditions\/v\/vertebrae-of-the-spine.html<\/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\u2014Abductor Pollicis Brevis. Structure. Origin: flexor retinaculum, scaphoid, and trapezium. Insertion: lateral side of proximal phalanx of thumb. Function. Concentric action: abducts thumb at carpometacarpal joint. Lesser: thumb flexion at MCO; thumb extension at CMC and IP. Reverse mover action: abudction of trapezium at CMC; flexion of thumb at [&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-1619","post","type-post","status-publish","format-standard","hentry","category-anatomyphysiologymuscles"],"_links":{"self":[{"href":"https:\/\/integrativewellnessandmovement.com\/iwmanatphys\/wp-json\/wp\/v2\/posts\/1619","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=1619"}],"version-history":[{"count":5,"href":"https:\/\/integrativewellnessandmovement.com\/iwmanatphys\/wp-json\/wp\/v2\/posts\/1619\/revisions"}],"predecessor-version":[{"id":5922,"href":"https:\/\/integrativewellnessandmovement.com\/iwmanatphys\/wp-json\/wp\/v2\/posts\/1619\/revisions\/5922"}],"wp:attachment":[{"href":"https:\/\/integrativewellnessandmovement.com\/iwmanatphys\/wp-json\/wp\/v2\/media?parent=1619"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/integrativewellnessandmovement.com\/iwmanatphys\/wp-json\/wp\/v2\/categories?post=1619"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/integrativewellnessandmovement.com\/iwmanatphys\/wp-json\/wp\/v2\/tags?post=1619"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}