Espiral AtlasPectoralis major muscle
musculus pectoralis major
Adducts the humerus and rotates it medially; pulls the scapula forward and downward. Acting alone, the clavicular part flexes the arm; the sternocostal part extends it from flexion.
In the full entry
The full entry, with every field, sources, quiz and clinical correlations, is in the atlas.
- Origin
- Insertion
- Innervation
- Blood supply
- Clinical
Related clinical cases
- Muscular agenesis; Poland syndrome