The latissimus dorsi a large, flat muscle on the back that stretches to the sides, behind the arm, and is partly covered by the trapezius on the back near the midline. The word latissimus dorsi (plural: latissimi dorsi) comes from Latin and means "broadest [muscle] of the back", from "latissimus" (Latin: broadest)' and " dorsum". Learn about Back Muscles (Origin, Insertion, Action, Innervation) with flashcards, quizzing, and games. Origin, Insertion, Action, Innervation. Topics include: Trapezius m - Superficial back, Trapezius m - External occipital protuberance and nuchal ligament and spinous processes of C7-T12, Trapezius m - lateral 1/3 of. The Serratus posterior inferior muscle (or posterior serratus) is a muscle of the human body. Contents. [hide]. 1 Origin and insertion; 2 Function; 3 Additional images; 4 See also; 5 References; 6 External links. Origin and insertion. The muscle lies at the junction of the thoracic and lumbar regions. The origin arises from.
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From lateral to medial, the erector spinae muscles can be remembered using the mnemonicI L ove S pine. Gostosa gay money dorsi originates from the mid to lower. Function of the filum terminale. All three muscles can be subdivided by their superior attachments insertion back lumborum, thoracic, cervicis and capitis. The two splenius muscles can also act together to extend the head and neck. What three back muscles are innervated by the dorsal scapular nerve? Which two back muscles retract, rotate, and fix the scapula to the body wall? These two back muscles have the same origin (C7-T3/4 & nuchal ligament), action (head & neck extension, ipsilateral flection & rotation. 22 Dec The muscles of the back can be divided into three groups – superficial, intermediate and intrinsic: This article is about the anatomy of the superficial back muscles – their attachments, innervations and functions. The muscles in this group are the trapezius, latissimus dorsi. The erector spinae or spinal erectors is a set of muscles that straighten and rotate the back. Contents. [hide]. 1 Structure. Iliocostalis; Longissimus; Spinalis. 2 Training; 3 Additional images; 4 References; 5 External links. Structure. This section may be too technical for most readers to understand. Please help.