
Shoulder girdle
Serratus anterior
Protracts the scapula. assists upward rotation. and helps hold the scapula against the rib cage
- Origin
- Upper eight or nine ribs
- Insertion
- Anterior medial border of the scapula
- Primary actions
- Protracts the scapula. assists upward rotation. and helps hold the scapula against the rib cage
Educational anatomy reference only. This page does not diagnose pain, injury, or movement limitations.
From anatomy to action
Explore the movement, not just the muscle.
A single muscle rarely explains a movement by itself. Use the related movement content to see how this anatomy may contribute, then choose a focused program when you want a complete progression.
Movement guides and exercises

Capacity focus
Scapular Anterior Tilt
Explore shoulder-blade and arm movement that improves reaching comfort without forcing the scapula into one resting position.
Open movement guide
Capacity focus
Shoulder Elevation
Explore neck, shoulder-blade, and arm strategies that make reaching and carrying feel easier.
Open movement guide
Mobility focus
Rib Flare
Explore breathing, trunk, and reaching options without forcing the ribs into a fixed position.
Open movement guideComplete guided progressions
Ready to follow a focused plan?
These programs include this muscle through a related guide or corrective recipe.