latissimus dorsi

noun la·tis·si·mus dor·si \ lə-ˈti-sə-məs-ˈdȯr-sī \

Definition of latissimus dorsi

plural latissimi dorsi play \lə-ˈti-sə-ˌmī-ˈdȯr-sī\
: 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

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Origin and Etymology of latissimus dorsi

New Latin, literally, broadest (muscle) of the back


Medical Dictionary

latissimus dorsi

noun la·tis·si·mus dor·si \ lə-ˈtis-ə-məs-ˈdȯr-ˌsī \

medical Definition of latissimus dorsi

plural latissimi dorsi play \-ˌmī-\
: 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

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illustration of latissimus dorsi


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