{"id":2513,"date":"2018-04-05T13:22:18","date_gmt":"2018-04-05T20:22:18","guid":{"rendered":"https:\/\/keck.usc.edu\/news\/why-a-medical-school-professor-studies-fossils\/"},"modified":"2023-11-19T12:29:15","modified_gmt":"2023-11-19T20:29:15","slug":"why-a-medical-school-professor-studies-fossils","status":"publish","type":"post","link":"https:\/\/keck.usc.edu\/news\/why-a-medical-school-professor-studies-fossils\/","title":{"rendered":"Why a medical school professor studies fossils"},"content":{"rendered":"\n  \n    \n\n\n\n\n\n\n<div\n  class=\"cc--component-container cc--article-hero \"\n\n  \n  \n  \n  \n  \n  \n  >\n  <div class=\"c--component c--article-hero\"\n    \n      >\n\n    \n  <div class=\"text-container\">\n              \n<div class=\"f--field f--eyebrow\">\n\n    \n  <span>Press Release<\/span>\n\n\n\n<\/div>\n    \n              \n<div class=\"f--field f--page-title\">\n\n    \n      <h1>Why a medical school professor studies fossils<\/h1>\n\n\n<\/div>\n    \n    \n          <div class=\"meta\">\n                  <span class=\"author\">Kristian J. Carlson<\/span>\n        \n                  <span class=\"date\">April 05, 2018<\/span>\n              <\/div>\n    \n              \n<div class=\"f--field f--embed\">\n\n    \n  <div class=\"heateor_sss_sharing_container heateor_sss_horizontal_sharing\" data-heateor-ss-offset=\"0\" data-heateor-sss-href='https:\/\/keck.usc.edu\/news\/why-a-medical-school-professor-studies-fossils\/'><div class=\"heateor_sss_sharing_ul\"><a aria-label=\"Facebook\" class=\"heateor_sss_facebook\" href=\"https:\/\/www.facebook.com\/sharer\/sharer.php?u=https%3A%2F%2Fkeck.usc.edu%2Fnews%2Fwhy-a-medical-school-professor-studies-fossils%2F\" title=\"Facebook\" rel=\"nofollow noopener\" target=\"_blank\" style=\"font-size:32px!important;box-shadow:none;display:inline-block;vertical-align:middle\"><span class=\"heateor_sss_svg\" style=\"background-color:#0765FE;width:32px;height:32px;display:inline-block;opacity:1;float:left;font-size:32px;box-shadow:none;display:inline-block;font-size:16px;padding:0 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<figure>\n    \n    \n    \n              \n      <img\n                            data-src=\"https:\/\/keck.usc.edu\/news\/wp-content\/uploads\/sites\/68\/2023\/11\/paleontologist-who-teaches-anatomy-600x432.jpg\"\n                    data-sizes=\"(min-width:1200px) 75vw, (min-width:768px) 83vw, 100vw\"          class=\"lazyload\"\n        \n                alt=\"paleontologist-who-teaches-anatomy\"\n\n        \n                \n                                      \/>\n\n    \n          <figcaption>Kristian J. Carlson, seen here holding a human femur bone, is a biological anthropologist who teaches anatomy at the Keck School of Medicine of USC. (USC Photo\/Gus Ruelas)<\/figcaption>\n    <\/figure>\n    \n  \n  \n\n<\/div>\n  \n\n  <\/div><\/div>\n\r\n\r\n\n\n  \n    \n\n\n\n\n\n\n<div\n  class=\"cc--component-container cc--rich-text white\"\n\n  \n  \n  \n  \n  \n  \n  >\n  <div class=\"c--component c--rich-text\"\n    \n      >\n\n    \n  <div class=\"inner-wrapper\">\n        \n<div class=\"f--field f--wysiwyg\">\n\n    \n  <p><em>Kristian J. Carlson, associate professor of clinical integrative anatomical sciences at the Keck School of Medicine of USC, investigates how bones are shaped by the activities of their owners, whether in living people or long-dead animals. He spoke with Paul Boutin of USC News.<\/em><\/p>\n<hr>\n<p>Some students are surprised to learn that their gross anatomy professor is a paleontologist \u2014 that\u2019s a scientist who studies fossils, right? My research is actually focused on the origins and evolution of humans today, during the period from about 6 million years ago to present day. Teaching <a href=\"https:\/\/keck.usc.edu\/integrative-anatomical-sciences\/\">anatomy<\/a> at the Keck School of Medicine of USC has benefits in both directions: I bring the history of the human body\u2019s development to how (and why) it works as it does today. And lecturing future physicians on a campus with three hospitals benefits my science research into our past.<br \/>\nScience and medicine have in common that we don\u2019t only want to know what happens, we want to know why. In anatomy class, for example, I teach students that shoulder dislocations are a common injury they will see in patients. Falls or sports injuries are often causal factors. But why is the shoulder so vulnerable to dislocation in the first place?<br \/>\n<figure id=\"attachment_84223\" aria-describedby=\"caption-attachment-84223\" style=\"width: 300px\" class=\"wp-caption alignleft\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/keck.usc.edu\/news\/wp-content\/uploads\/sites\/68\/2023\/11\/Kristian-Carlson-early-humans-web-824x549-300x200-1.jpg\" alt=\"Kristian-Carlson-early-humans-web-824x549\" width=\"300\" height=\"200\" class=\"size-medium wp-image-84223\" \/><figcaption id=\"caption-attachment-84223\" class=\"wp-caption-text\">Kristian J. Carlson applies his knowledge of paleontology to the field of medicine. (USC Photo\/Gus Ruelas)<\/figcaption><\/figure>Paleontologists theorize that it\u2019s because over the last several millions of years, the way in which we use our upper limbs has changed dramatically. Humans who evolved manipulatory capabilities \u2014 those who could make and use tools \u2014 survived better than our ancestors who did not. At the same time, since we don\u2019t use our arms to move around like chimpanzees, our upper limbs, especially shoulders, have evolved away from being more mobile as they were in our ancestors millions of years ago.<br \/>\nIn the present day, by examining living patients whose types and levels of activities vary, we\u2019ve learned that human bones reinforce themselves differently based on what stresses are placed on them. So we can look back at the arm and leg bones of our ancestors from millions of years ago and tell by their patterns of bone development \u2014 bones usually reinforce their walls along directions in which they are stressed over time \u2014 if the owner of these bones spent their time moving in meandering paths through trees or if they had come out of the trees and lived most of their lives walking through less three-dimensional surroundings. These insights offer crucial information about how our ancestors interacted with their environment.<\/p>\n<h3>Paleontology and medicine aren\u2019t so far apart<\/h3>\n<p>Another way that basic science research and clinical medicine overlap is that neither field seeks a single, know-it-all answer for what\u2019s happening or why. We develop hypotheses, which over time may be supported or not through careful testing. A good scientist and a good physician have that in common: Neither would claim to have the definitive and final answers for anything, but both would base inferences on what is known at the time. This can be frustrating and confusing for patients who seek a guaranteed diagnosis and a foolproof treatment, or students who want definitive answers about the past.<br \/>\nBut it\u2019s better for both that we\u2019re always learning and always willing to have our minds changed by new evidence. Today\u2019s athletes, for example, are pushing past boundaries once thought impossible in speed, distance, strength and stamina. How does that affect their bodies, and how do their bodies adapt to these record-breaking physical demands?<br \/>\nI\u2019d love to work with world-class USC athletes to better understand how their bodies structurally reflect their training \u2014 when they\u2019re not injured. It could benefit medicine by leading to ways to combat reduced bone strength, either resulting from age-related processes or from osteoporosis. And it could advance science by teaching us more sedentary types about how we came to have the bodies we do, at a pace slightly faster than waiting for evolution to run its course.<\/p>\n\n\n\n<\/div>\n  <\/div>\n\n\n  <\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>An anatomical sciences expert looks back at the arm and leg bones of ancestors to gain insight on how they interacted with their environment<\/p>\n","protected":false},"author":125,"featured_media":2514,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"advgb_blocks_editor_width":"","advgb_blocks_columns_visual_guide":"","footnotes":"","_links_to":"","_links_to_target":""},"categories":[6],"tags":[521],"class_list":["post-2513","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-press-release","tag-mesh-strategic-partnerships"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.2 (Yoast SEO v28.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Why a medical school professor studies fossils<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/keck.usc.edu\/news\/why-a-medical-school-professor-studies-fossils\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Why a medical school professor studies fossils\" \/>\n<meta property=\"og:description\" content=\"An anatomical sciences expert looks back at the arm and leg bones of ancestors to gain insight on how they interacted with their environment\" \/>\n<meta property=\"og:url\" content=\"https:\/\/keck.usc.edu\/news\/why-a-medical-school-professor-studies-fossils\/\" \/>\n<meta property=\"og:site_name\" content=\"Newsroom\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/KECKschoolUSC\/\" \/>\n<meta property=\"article:published_time\" content=\"2018-04-05T20:22:18+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-11-19T20:29:15+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/keck.usc.edu\/news\/wp-content\/uploads\/sites\/68\/2023\/11\/paleontologist-who-teaches-anatomy.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"447\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Kristian J. 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