yogabuch / muscles / rhomboideus minor
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M. rhomboideus minor
truncoscapular (truncozontal) muscle of the shoulder girdle pulling from the 6th and 7th cervical vertebrae to the inner edge of the shoulder blade, which pulls the shoulder blade towards the spine, i.e. retracts it and pulls it towards the rib cage, lies deeper than the trapezius.
Origin: spinous processes of the 6th and 7th cervical vertebrae, ligamentum nuchae
Attachment: on the shoulder blade above the attachment of the greater rhomboid muscle
Innervation: Nervus dorsalis scapulae, branch of the plexus brachialis from C5, sometimes also C4 or C6
Antagonists:
Movement: Retraction of the scapula, lifts it cranially (elevation) and medially (retraction)