Intermediate Back Muscles

Serratus posterior superior PA (Origin)

by a thin aponeurosis to the C7‐T3 Spinous processes & their supraspinous ligs.
Serratus posterior superior DA (Innervation)

Ribs 2‐5 along their superior border, external surfaces lateral to their angles
Serratus posterior superior innervation

Anterior rami of upper thoracic nerves T2‐5
Serratus posterior superior blood supply

Posterior branches of the posterior intercostal arteries
Serratus posterior superior actions

Action:elevates the ribs 2‐5
Serratus posterior inferior PA (Origin)

by a thin aponeurosis to the T11‐L2 Spinous processes & their supraspinous ligs.
Serratus posterior inferior DA (Insertion)

Ribs 9‐12 along their inferior borders, external surfaces anterolateral to their angles
Serratus posterior inferior innervation

Anterior rami of lower thoracic nerves T9‐12
Serratus posterior inferior blood supply

Posterior branches of the posterior intercostal arteries
Serratus posterior inferior actions

Action:depresses the ribs 9‐12

Author

paffman7

31344

Card Set

Intermediate Back Muscles

Description

Muscle groups for week 2 - Intermediate Back

Updated

2010-08-29T20:31:28Z

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