latissimus dorsi


la·tis·si·mus dor·si

noun \lə-ˈti-sə-məs-ˈdr-sī\
plural la·tis·si·mi dorsi \-ˌmī-\

Definition of LATISSIMUS DORSI

:  a broad flat superficial muscle chiefly of the middle and lower back that extends, adducts, and rotates the arm medially and draws the shoulder downward and backward

Origin of LATISSIMUS DORSI

New Latin, literally, broadest (muscle) of the back
First Known Use: 1684

la·tis·si·mus dor·si

noun \lə-ˈtis-ə-məs-ˈdr-ˌsī\   (Medical Dictionary)
plural la·tis·si·mi dorsi \-ˌmī-\

Medical Definition of LATISSIMUS DORSI

: a broad flat superficial muscle of the lower part of the back that originates mostly in a broad aponeurosis attached to the spinous processes of the vertebrae of the lower back, the supraspinal ligament, and the crest of the ilium, that is inserted into the bicipital groove of the humerus, and that extends, adducts, and rotates the arm medially and draws the shoulder downward and backward

Illustration of LATISSIMUS DORSI

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