Question 1554
{"accessible":false,"alternatives":[{"id":7753,"text":"a posterior spicule"},{"id":7754,"text":"acute anterior angulation"},{"id":7755,"text":"no mobile segments"},{"id":7756,"text":"posterior subluxation"}],"archived":false,"correctAlternativeId":7756,"explanation":"\u003cp\u003ePosterior subluxation is an abnormal finding in both neural and dynamic lateral radiographs and is frequently associated with pain. It is\u0026nbsp;particularly common in obese individuals.\u003c/p\u003e\u003cp\u003eThe other options can all\u0026nbsp;be seen as\u0026nbsp;anatomic variants.\u0026nbsp;\u003c/p\u003e","id":1554,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/1609","nextQuestionPath":null,"relatedArticles":[{"id":44758,"title":"Coccyx","link":"/articles/coccyx?lang=us"}],"alsoUsedIn":[{"id":997,"kind":"Course","title":"2021 Virtual Conference Private Use - page 997","link":"https://radiopaedia.org/courses/2021-virtual-conference-private-use/pages/997"},{"id":997,"kind":"Course","title":"Radiopaedia 2021 - isoCME - page 997","link":"https://radiopaedia.org/courses/radiopaedia-2021-isocme/pages/997"},{"id":997,"kind":"Course","title":"2022 Virtual Conference Private Use - page 997","link":"https://radiopaedia.org/courses/2022-virtual-conference-private-use/pages/997"},{"id":970,"kind":"RestrictedPage","title":"Page 970 (in no courses)","link":"https://radiopaedia.org/admin/restricted_pages/970"},{"id":955,"kind":"RestrictedPage","title":"Page 955 (in no courses)","link":"https://radiopaedia.org/admin/restricted_pages/955"},{"id":1,"kind":"LiveSchedule","title":"1","link":"https://radiopaedia.org/admin/live_schedules/1"},{"id":71,"kind":"LiveSchedule","title":"71","link":"https://radiopaedia.org/admin/live_schedules/71"},{"id":597,"kind":"Course","title":"Lectures by Matt Skalski - page 597","link":"https://radiopaedia.org/courses/lectures-by-matt-skalski/pages/597"},{"id":597,"kind":"Course","title":"Radiopaedia 2020 - Lectures Only - page 597","link":"https://radiopaedia.org/courses/radiopaedia-2020-exclusive/pages/597"},{"id":597,"kind":"Course","title":"Musculoskeletal Lectures - page 597","link":"https://radiopaedia.org/courses/musculoskeletal-lectures/pages/597"},{"id":597,"kind":"Course","title":"2020 Virtual Conference Private Use - page 597","link":"https://radiopaedia.org/courses/2020-virtual-conference-private-use/pages/597"},{"id":863,"kind":"Course","title":"Radiopaedia 2021 - isoCME - page 863","link":"https://radiopaedia.org/courses/radiopaedia-2021-isocme/pages/863"},{"id":863,"kind":"Course","title":"2021 Virtual Conference Private Use - page 863","link":"https://radiopaedia.org/courses/2021-virtual-conference-private-use/pages/863"}],"stem":"\u003cp\u003eThe spectrum of coccyx anatomical variation is wide. Which of the\u0026nbsp;following is \u003cstrong\u003eNOT\u003c/strong\u003e on that normal spectrum?\u003c/p\u003e","menuLinks":[{"text":"Report problem with question","url":"https://docs.google.com/forms/d/e/1FAIpQLSfO3soWYhOjJ7yErSysyCe5V4A1CqW7WK3rDA7MtAkecMGqNw/viewform?entry.1624461248\u0026entry.553583435=https://radiopaedia.org/questions/1554"}],"attemptsPercentages":[{"alternativeId":"7753","percentage":12},{"alternativeId":"7755","percentage":9},{"alternativeId":"7756","percentage":70},{"alternativeId":"7754","percentage":9}],"promptToLogin":false,"questionManager":false,"articleId":"anterior-angulation-of-the-coccyx"}