Serratus dorsalis -posterior
Group
Dorsal
Whole Sale Section
Loin, Rib
Origin
The lumbo-dorsal fascia.
Insertion
Last four or five ribs.
Action
Pulls ribs backward; expiration.
Innervation
Thoracic nerves.
Blood Supply
Intercostal and lumbar arteries
Retail Cuts
Beef Rib Roast Ready, Beef Loin Strip Loin Boneless