Infraspinatus Muscle Origin Insertion amp Function Human Anatomy Kenhub

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This video explains the anatomy of the infraspinatus muscle, one of the 4 rotator cuff muscles: origin, insertion and actions. Test yourself with our rotator cuff quiz on https://khub.me/qkhxj • 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/thr4k • • The infraspinatus muscle belongs to the group of the rotator cuff muscles together with the supraspinatus, subscapularis and teres minor muscles. It originates in the infraspinatous fossa of the scapula and inserts on the greater tubercle of the humerus. Even though the rotator cuff consists only of four muscles, it plays an essential role in the stability and mobility of the most flexible joint in the human body: the shoulder. • The infraspinatus muscle is a strong external rotator of the arm and additionally assists in both abduction and adduction. It is innervated by the subscapular nerve. • In this video tutorial we will go over the most important anatomy facts of the infraspinatus muscle, its origin, insertion and functions: • 0:11 anatomy of the rotator cuff • 0:35 infraspinatus muscle origin and insertion • 0:51 functions of the rotator cuff • 1:16 functions of the infraspinatus muscle • Want to test your knowledge on the rotator cuff muscles? Take this quiz: https://khub.me/qkhxj • Read more on the movements and muscles of the arm in our free article, in order to finish with this topic and become a master of the anatomy of the upper extremity: https://khub.me/ta4zw • For more engaging video tutorials, interactive quizzes, articles and an atlas of Human anatomy and histology, go to https://khub.me/22qnj

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