Question 1950
{"accessible":false,"alternatives":[{"id":9703,"text":"lateral patellar retinaculum"},{"id":9704,"text":"medial patellar retinaculum"},{"id":9705,"text":"quadriceps muscle"},{"id":9706,"text":"quadriceps tendon"},{"id":9707,"text":"tibial tuberosity"},{"id":9708,"text":"all the above"}],"archived":false,"correctAlternativeId":9708,"explanation":"\u003cp\u003eThe\u0026nbsp;\u003ca href=\"/articles/extensor-mechanism-of-the-knee\"\u003eextensor mechanism of the knee\u003c/a\u003e\u0026nbsp;comprises the following anatomical structures:\u003c/p\u003e\u003cul\u003e\n\u003cli\u003equadriceps muscle\u003c/li\u003e\n\u003cli\u003equadriceps tendon\u003c/li\u003e\n\u003cli\u003emedial patellar retinaculum\u003c/li\u003e\n\u003cli\u003elateral patellar retinaculum\u003c/li\u003e\n\u003cli\u003epatella\u003c/li\u003e\n\u003cli\u003epatellar tendon\u003c/li\u003e\n\u003cli\u003etibial tuberosity\u003c/li\u003e\n\u003c/ul\u003e","id":1950,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/1950","nextQuestionPath":"/articles/patella/questions/352","relatedArticles":[{"id":45363,"title":"Patellar tendon","link":"/articles/patellar-tendon?lang=us"},{"id":1944,"title":"Quadriceps tendon","link":"/articles/quadriceps-tendon?lang=us"},{"id":40223,"title":"Quadriceps muscles","link":"/articles/quadriceps-muscles?lang=us"},{"id":45370,"title":"Extensor mechanism of the knee","link":"/articles/extensor-mechanism-of-the-knee?lang=us"},{"id":54736,"title":"Medial patellar retinaculum","link":"/articles/medial-patellar-retinaculum?lang=us"},{"id":54735,"title":"Lateral patellar retinaculum","link":"/articles/lateral-patellar-retinaculum?lang=us"}],"alsoUsedIn":[{"id":1038,"kind":"RestrictedPage","title":"Page 1038 (in no courses)","link":"https://radiopaedia.org/admin/restricted_pages/1038"},{"id":2044,"kind":"Course","title":"X-ray Interpretation: Knee Injuries peer review - page 2044","link":"https://radiopaedia.org/courses/x-ray-interpretation-knee-injuries-peer-review/pages/2044"},{"id":2044,"kind":"Course","title":"X-ray Interpretation: Knee Injuries - page 2044","link":"https://radiopaedia.org/courses/x-ray-interpretation-knee-injuries/pages/2044"}],"stem":"\u003cp\u003eWhat anatomical structures are included in the extensor mechanism of the knee?\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/1950"}],"attemptsPercentages":[{"alternativeId":"9705","percentage":6},{"alternativeId":"9703","percentage":2},{"alternativeId":"9706","percentage":9},{"alternativeId":"9704","percentage":0},{"alternativeId":"9707","percentage":2},{"alternativeId":"9708","percentage":81}],"promptToLogin":false,"questionManager":false,"articleId":"patella"}