Serratus Anterior (Superior Digitations)
- Outer surfaces and superior borders of ribs 1-8 (or 9)
- and the fascia covering the first intercostal space.
- Medial border of the scapula on its costal (deep) surface.
- Long thoracic nerve (from ventral rami C5-C7)
Arterial Supply :
- Lateral thoracic artery
- Draws the scapula forward.
- The inferior fibers rotate the scapula superiorly.