Question 1556
{"accessible":false,"alternatives":[{"id":7761,"text":"5 degrees"},{"id":7762,"text":"15 degrees"},{"id":7763,"text":"25 degrees"},{"id":7764,"text":"35 degrees"}],"archived":false,"correctAlternativeId":7764,"explanation":"\u003cp\u003e5-25 degrees\u0026nbsp;of flexion motion is normal, and anything over 35 degrees is marked hypermobility.\u003c/p\u003e","id":1556,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/1609","nextQuestionPath":"/articles/coccyx/questions/1555","relatedArticles":[{"id":31409,"title":"Coccydynia","link":"/articles/coccydynia?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\u003eMobility of the coccyx can be determined by measuring\u0026nbsp;sacrococcygeal/intercoccygeal flexion\u0026nbsp;between standing and seated lateral radiographs.\u003c/p\u003e\u003cp\u003eExtreme hypermobility is defined as flexion of more than:\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/1556"}],"attemptsPercentages":[{"alternativeId":"7761","percentage":4},{"alternativeId":"7764","percentage":57},{"alternativeId":"7763","percentage":30},{"alternativeId":"7762","percentage":9}],"promptToLogin":false,"questionManager":false,"articleId":"coccyx"}