latissimus dorsi muscle


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Related to latissimus dorsi muscle: Serratus anterior muscle

la·tis·si·mus dor·si mus·cle

(lă-tis'i-mŭs dōr'sī mŭs'ĕl)
Origin, spinous processes of the lower five or six thoracic and the lumbar vertebrae, median ridge of sacrum, and outer lip of iliac crest; insertion, with teres major into posterior lip of bicipital groove of humerus; action, adducts arm, rotates it medially, and extends it; nerve supply, thoracodorsal.
Synonym(s): musculus latissimus dorsi [TA] .

latissimus dorsi muscle

Back muscle. Origin: spinous processes of vertebrae T7-S3, thoracolumbar fascia, iliac crest. Insertion: bicipital groove of humerus. Nerve: thoracodorsal (C6-C8). Action: adducts, extends, and medially rotates arm.
See also: muscle
References in periodicals archive ?
(28) article published in 2005, concerning stabilization and power of the shoulder joint, joint range of motion and functionality decrease after latissimus dorsi muscle transfer within the first 4 weeks after the implementation of LDF, there was a 30% decrease in shoulder function.
This structure is a flattened muscle that is a supernumerary variant of latissimus dorsi muscle, which emerges from it in the vicinity of the intertubercular sulcus of the humerus and runs down the medial side of the arm until it reaches the medial epicondyle or the olecranon (Testut).
They are readily associated with lesions to the latissimus dorsi muscle given their anatomical proximity and their similar action during the practice of sports [1].
First, while we observed bone formation, the model provided no mechanical loading apart from the mechanical simulation from movement of the latissimus dorsi muscle. However, mechanical loading affects the bone formation with growth factor signaling in a clinical setting [9].
Yamaguchi, "Time course of hypertrophic adaptations of the anterior latissimus dorsi muscle to stretch overload in aged Japanese quail," Journals of Gerontology A, vol.
There was no definite involvement of the latissimus dorsi muscle and no edema seen within it.
Set task is solved by the fact that the skin, the hypodermic-fatty layer, superficial fascia and the latissimus dorsi muscle are dissected along its fibers through the middle of the rib XII to its length (Figure 1).
Extensive use of a flap of latissimus dorsi muscle has been reported as an effective tool for reconstruction in a variety of body locations (Lally et al., 1996; Sydorak et al., 2003).
Emma's surgeon used the latissimus dorsi muscle in her back, under her shoulder blade.
The transfer of the latissimus dorsi muscle is done to improve external rotation and the abduction at the same time.
A vertical skin incision is made parallel to the anterior border of the latissimus dorsi muscle, and the serratus anterior muscle is identified (figure 2, B).