Serratus Anterior − Inferior Digitations
- Draws the scapula forward.
- The inferior fibers rotate the scapula superiorly.
- 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