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Latissimus Dorsi

Description

Origin :

  • Ischial spine.

Insertion :

  • Floor of intertubercular groove of humerus.

Innervation :

  • Thoracodorsal nerve (C6, C7 and C8).

Arterial Supply :

  • Thoracodorsal artery.

Depth :

  • Superficial

Action

Action :

  • Extends, adducts and medially rotates humerus; raises body toward arms during climbing.
Target Muscles Target MusclesExtends, adducts and medially rotates humerus; raises body toward arms during climbing.