Question 828
{"accessible":false,"alternatives":[{"id":4189,"text":"axillary nerve"},{"id":4190,"text":"median nerve"},{"id":4191,"text":"musculocutaneous nerve"},{"id":4192,"text":"radial nerve"},{"id":4193,"text":"ulnar nerve"}],"archived":false,"correctAlternativeId":4191,"explanation":"\u003cp\u003eThe musculocutaneous nerve (C5-7) continues on from the lateral cord of the brachial plexus. It pierces \u003ca title=\"Coracobrachialis muscle\" class=\"internal\" href=\"/articles/coracobrachialis-muscle-1\"\u003ecoracobrachialis\u003c/a\u003e then runs between \u003ca title=\"Biceps brachii muscle\" class=\"internal\" href=\"/articles/biceps-brachii-muscle-1\"\u003ebiceps\u003c/a\u003e and \u003ca title=\"Brachialis muscle\" class=\"internal\" href=\"/articles/brachialis-muscle-1\"\u003ebrachialis\u003c/a\u003e (supplying all three). It continues, terminating as the \u003ca title=\"Lateral cutaneous nerve of the forearm\" class=\"internal\" href=\"/articles/lateral-cutaneous-nerve-of-the-forearm-1\"\u003elateral cutaneous nerve of the forearm\u003c/a\u003e, supplying sensation to the skin of the lateral forearm.\u003c/p\u003e","id":828,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/1342","nextQuestionPath":"/articles/brachial-plexus/questions/827","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":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 of the arm pierces the coracobrachialis 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/828"}],"attemptsPercentages":[{"alternativeId":"4192","percentage":10},{"alternativeId":"4189","percentage":6},{"alternativeId":"4190","percentage":9},{"alternativeId":"4193","percentage":4},{"alternativeId":"4191","percentage":71}],"promptToLogin":false,"questionManager":false,"articleId":"brachial-plexus"}