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Latissimus dorsi
O: Neural spines of the last thoracic and most lumbar vertebrae; lumbodorsal fascia
I: Tendon on the medial surface of the humerus
A: Arm adduction, extension
Acromiotrapezius
O: Neural spines of cervical and first thoracic vertebrae
I: Metacromion process and spine of scapula; fascia of spinotrapezius
A: Draw scapula dorsad and hold two
scapulae together
Spinotrapezius
O: Spines of thoracic vertebrae
I: Fascia of scapula
A: Stabilize and move the scapula dorsally and caudally
Levator scapulae ventralis
O: Transverse process of the atlas; occipital bone
I: Metacromion process; neighboring fascia
A: draw scapula craniad
