Extensor Pollicis Brevis Muscle - Origins & Function - Anatomy | Kenhub скачать в хорошем качестве

Extensor Pollicis Brevis Muscle - Origins & Function - Anatomy | Kenhub

This video explores the anatomy facts about the extensor pollicis brevis muscle, one of the deep forearm extensors: origin, insertion, innervation, function. Quiz yourself on the forearm extensors at https://khub.me/l9xil Oh, are you struggling with learning anatomy? We created the ★ Ultimate Anatomy Study Guide ★ to help you kick some gluteus maximus in any topic. Completely free. Download yours today: https://khub.me/8o56h The extensor pollicis brevis muscle is one of the five deep extensors of the forearm on the posterior forearm, together with the: abductor pollicis supinator extensor pollicis longus extensor indicis It originates at the posterior side of the radius and the interosseous membrane and inserts at the base of the proximal phalanx of the thumb. Like the other forearm extensors, the extensor pollicis brevis muscle is innervated by the radial nerve. Together with the tendon of the extensor pollicis longus and the radius, the extensor pollicis brevis tendon frames the anatomical snuffbox. The extensor pollicis brevis in mainly involved in the thumb extension and also abducts it. In this video we will explore the most important facts about this muscle: 0:09 extensor pollicis brevis location 0:31 extensor pollicis brevis origin and insertion 0:46 innervation 1:46 function Want to test your knowledge on the elbow and forearm? Take this exam preparation quiz: https://khub.me/6td4t Read more on the movements and muscles of the upper extremity: shoulder, arm and hand at https://khub.me/908ix For more engaging video tutorials, interactive quizzes, articles and an atlas of Human anatomy and histology, go to https://khub.me/ze8ar