The name of the latissimus dorsi muscle describes its size and location. The latissimus dorsi muscle is lengthened with the arms abducted and flexed.

There muscle is divided into two segments, which are configured symmetrically along the backbone. You can click the image to magnify if you cannot see clearly. This groove is an indentation on the humerus in which the large tendon of the biceps brachii is also found.

It is relatively thin and covers almost all back muscles at the posterior trunk, except the trapezius.. Tech and Engineering - Questions & Answers, Health and Medicine - Questions & Answers, Working Scholars® Bringing Tuition-Free College to the Community, Abduction: moving humerus away from side of body, Deltoid, biceps brachii, coracobrachialis, pectoralis major, Lateral/external rotation: rotating or turning the humerus outward. David Keil March 9, 2015 Anatomy, Upper Limb Leave a Comment.

The latissimus dorsi muscle contracts to bring the upper arms toward the body in adduction. The latissimus dorsi muscle, whose name means “broadest muscle of the back,” is one of the widest muscles in the human body. Written by the Healthline Editorial Team. The latissimus dorsi. flashcard set{{course.flashcardSetCoun > 1 ? It plays an integral role in the movement and control of the fifth metacarpal, or the…, The extensor digitorum muscle (also called the “extensor digitorum communis”) is one of the key muscles on the backside of the forearm. There muscle is divided into two segments, which are configured symmetrically along the backbone. Yes, you can get injured doing a headstand. action: extends, adduction and medial rotation arm at shoulder joint. The two latissimus dorsi muscles also assist in forced respiration by raising the lower ribs. Please Click Like Button to Support Our Facebook Page! Blue Cheeked Parrot Amazona Dufresniana Diagram.

The extensor….

Omissions? If not, then you should definitely read this lesson.

… The latissimus dorsi inserts or attaches to the humerus, the long bone of the upper arm. origin: spines of inferior 6 thoracic vertebrae, lumbar vertebrae, crest of sacrum and iliac crest of hip bone and inferior four ribs. It has always been about you, the reader, understanding the complexity and diversity of our own humanness as well as our anatomy. courses that prepare you to earn Earn Transferable Credit & Get your Degree. Since it inserts on the humerus, the action of the latissimus dorsi is to move the upper arm. © 2005-2020 Healthline Media a Red Ventures Company. In climbing it joins with the abdominal and pectoral muscles to pull the trunk upward.

Other common names for the Latissimus Dorsi is "wings" and "lats".

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