latissimus dorsi muscle
(redirected from musculus latissimus dorsi)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] .
Synonym(s): musculus latissimus dorsi [TA] .
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
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
Medical Dictionary, © 2009 Farlex and Partners