{"id":1510,"date":"2016-10-11T19:42:58","date_gmt":"2016-10-12T02:42:58","guid":{"rendered":"http:\/\/anatomycorner.com\/main\/?p=1510"},"modified":"2016-10-13T10:05:39","modified_gmt":"2016-10-13T17:05:39","slug":"ulna-and-humerus","status":"publish","type":"post","link":"https:\/\/anatomycorner.com\/main\/2016\/10\/11\/ulna-and-humerus\/","title":{"rendered":"Ulna and Humerus"},"content":{"rendered":"<p>The ulna is one of two bones found in the forearm. \u00a0It forms a hinge joint with the humerus and a pivot joint with the radius, giving the lower arm the range of motion to bend and rotate the hands. \u00a0 On anatomical drawings, the ulna and radius may be hard to distinguish, \u00a0so consider that the ulna is the bone that is on the pinky side of the hand \u00a0(think: P-U, the pinky is stinky, to remember that the pinky and the ulna go together.) \u00a0 \u00a0 The ulna can also be identified by the shape of it&#8217;s head which is wrench-like where it articulates with the humerus.<\/p>\n<p>When learning structures of the bone, it is helpful to look at all of the bones. \u00a0The olecranon process of the ulna (3) fits in to the olcranon fossa of the humerus, forming a hinge joint. \u00a0 \u00a0The coronoid process fits into the coronoid fossa of the humerus.<\/p>\n<div id=\"attachment_1517\" style=\"width: 810px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/anatomycorner.com\/main\/wp-content\/images\/ulna_labeled-3.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1517\" class=\"wp-image-1517 size-full\" src=\"http:\/\/anatomycorner.com\/main\/wp-content\/images\/ulna_labeled-3.jpg\" alt=\"ulna\" width=\"800\" height=\"271\" srcset=\"https:\/\/anatomycorner.com\/main\/wp-content\/images\/ulna_labeled-3.jpg 800w, https:\/\/anatomycorner.com\/main\/wp-content\/images\/ulna_labeled-3-250x85.jpg 250w, https:\/\/anatomycorner.com\/main\/wp-content\/images\/ulna_labeled-3-500x169.jpg 500w, https:\/\/anatomycorner.com\/main\/wp-content\/images\/ulna_labeled-3-768x260.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><p id=\"caption-attachment-1517\" class=\"wp-caption-text\">1 = coronoid process 2=Trochlear Notch 3= Olecranon Process 4=Styloid Process 5 = Radial Notch<\/p><\/div>\n<p>The trochlea of the humerus, which is a cylindrical structure fits into the trochlear notch of the ulna, making a point for the elbow to rotate.<\/p>\n<p><a href=\"http:\/\/anatomycorner.com\/main\/wp-content\/images\/humerus-labeled.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1513\" src=\"http:\/\/anatomycorner.com\/main\/wp-content\/images\/humerus-labeled.jpg\" alt=\"humerus-labeled\" width=\"800\" height=\"531\" srcset=\"https:\/\/anatomycorner.com\/main\/wp-content\/images\/humerus-labeled.jpg 800w, https:\/\/anatomycorner.com\/main\/wp-content\/images\/humerus-labeled-250x166.jpg 250w, https:\/\/anatomycorner.com\/main\/wp-content\/images\/humerus-labeled-500x332.jpg 500w, https:\/\/anatomycorner.com\/main\/wp-content\/images\/humerus-labeled-768x510.jpg 768w, https:\/\/anatomycorner.com\/main\/wp-content\/images\/humerus-labeled-300x200.jpg 300w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The ulna is one of two bones found in the forearm. \u00a0It forms a hinge joint with the humerus and a pivot joint with the radius, giving the lower arm the range of motion to bend and rotate the hands. \u00a0 On anatomical drawings, the ulna and radius may be hard to distinguish, \u00a0so consider that the ulna is the bone that is on the pinky side of the hand \u00a0(think: P-U, the pinky is stinky, to remember that the pinky and the ulna go together.) \u00a0 \u00a0 The ulna can also be identified by the shape of it&#8217;s head <\/p>\n","protected":false},"author":1,"featured_media":1513,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[270,334,301,331,174,336,333,332,335,330],"class_list":["post-1510","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-anatomical","tag-coronoid","tag-forearm","tag-fossa","tag-humerus","tag-joint","tag-olecranon","tag-pivot","tag-radius","tag-trochlea","tag-ulna","has_thumb"],"_links":{"self":[{"href":"https:\/\/anatomycorner.com\/main\/wp-json\/wp\/v2\/posts\/1510","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/anatomycorner.com\/main\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/anatomycorner.com\/main\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/anatomycorner.com\/main\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/anatomycorner.com\/main\/wp-json\/wp\/v2\/comments?post=1510"}],"version-history":[{"count":4,"href":"https:\/\/anatomycorner.com\/main\/wp-json\/wp\/v2\/posts\/1510\/revisions"}],"predecessor-version":[{"id":1518,"href":"https:\/\/anatomycorner.com\/main\/wp-json\/wp\/v2\/posts\/1510\/revisions\/1518"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/anatomycorner.com\/main\/wp-json\/wp\/v2\/media\/1513"}],"wp:attachment":[{"href":"https:\/\/anatomycorner.com\/main\/wp-json\/wp\/v2\/media?parent=1510"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/anatomycorner.com\/main\/wp-json\/wp\/v2\/categories?post=1510"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/anatomycorner.com\/main\/wp-json\/wp\/v2\/tags?post=1510"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}