Question 827
{"accessible":false,"alternatives":[{"id":4184,"text":"axillary nerve"},{"id":4185,"text":"median nerve"},{"id":4186,"text":"musculocutaneous nerve"},{"id":4187,"text":"radial nerve"},{"id":4188,"text":"ulnar nerve"}],"archived":false,"correctAlternativeId":4187,"explanation":"\u003cp\u003eThe \u003ca title=\"Radial nerve\" class=\"internal\" href=\"/articles/radial-nerve-2\"\u003eradial nerve\u003c/a\u003e supplies the extensor muscles of the upper limb. The main trunk innervates \u003ca title=\"Triceps brachii muscle\" class=\"internal\" href=\"/articles/triceps-brachii-muscle-1\"\u003etriceps\u003c/a\u003e, \u003ca title=\"Anconeus muscle\" class=\"internal\" href=\"/articles/anconeus-muscle\"\u003eanconeus\u003c/a\u003e, \u003cstrong\u003ebrachioradialis \u003c/strong\u003eand \u003ca title=\"Extensor carpi radialis longus muscle\" class=\"internal\" href=\"/articles/extensor-carpi-radialis-longus-muscle\"\u003eextensor carpi radialis longus\u003c/a\u003e. The \u003ca title=\"Posterior interosseous nerve\" class=\"internal\" href=\"/articles/posterior-interosseous-nerve\"\u003eposterior interosseous branch\u003c/a\u003e supplies all the remaining muscles of the forearm together with the \u003ca title=\"Supinator muscle\" class=\"internal\" href=\"/articles/supinator-muscle\"\u003esupinator\u003c/a\u003e and \u003ca title=\"Abductor pollicis longus muscle\" class=\"internal\" href=\"/articles/abductor-pollicis-longus-muscle-1\"\u003eabductor pollicis longus\u003c/a\u003e.\u003c/p\u003e\u003cp\u003e\u003ca title=\"Brachioradialis muscle\" class=\"internal\" href=\"/articles/brachioradialis-muscle\"\u003eBrachioradialis\u003c/a\u003e flexes the forearm at the elbow, also providing pronation and supination.\u003c/p\u003e\u003cp\u003e\u003c/p\u003e","id":827,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/1342","nextQuestionPath":"/articles/brachial-plexus/questions/826","relatedArticles":[{"id":24692,"title":"Axillary nerve","link":"/articles/axillary-nerve?lang=us"},{"id":21858,"title":"Median nerve","link":"/articles/median-nerve-2?lang=us"},{"id":24690,"title":"Ulnar nerve","link":"/articles/ulnar-nerve?lang=us"},{"id":24691,"title":"Radial nerve","link":"/articles/radial-nerve-2?lang=us"},{"id":24693,"title":"Musculocutaneous nerve","link":"/articles/musculocutaneous-nerve?lang=us"}],"alsoUsedIn":[{"id":397,"kind":"Course","title":"Medical Imaging Anatomy Course - Melbourne - page 397","link":"https://radiopaedia.org/courses/medical-imaging-anatomy-course-melbourne-2020/pages/397"},{"id":397,"kind":"Course","title":"Medical Imaging Anatomy Course - Melbourne - page 397","link":"https://radiopaedia.org/courses/medical-imaging-anatomy-course-melbourne-2019/pages/397"},{"id":397,"kind":"Course","title":"Medical Imaging Anatomy Webinars - page 397","link":"https://radiopaedia.org/courses/medical-imaging-anatomy-webinar-2022/pages/397"},{"id":397,"kind":"Course","title":"Medical Imaging Anatomy Course - page 397","link":"https://radiopaedia.org/courses/medical-imaging-anatomy-course-online/pages/397"},{"id":397,"kind":"Course","title":"Medical Imaging Anatomy Webinar Series - page 397","link":"https://radiopaedia.org/courses/medical-imaging-anatomy-webinar-series/pages/397"}],"stem":"\u003cp\u003eWhich nerve innervates the brachioradialis muscle?\u003c/p\u003e\u003cp\u003e\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/827"}],"attemptsPercentages":[{"alternativeId":"4188","percentage":1},{"alternativeId":"4186","percentage":35},{"alternativeId":"4187","percentage":52},{"alternativeId":"4185","percentage":8},{"alternativeId":"4184","percentage":4}],"promptToLogin":false,"questionManager":false,"articleId":"brachial-plexus"}