Transversus Thoracis
Transversus Thoracis
☆transversus thoracis - triangularis sterni
MusclePro
Anatomy
- Origin
- Inner surface of lower portion of sternum and adjacent costal cartilages.
- Insertion
- Inner surfaces of costal cartilages of the second through sixth ribs.
- Nerve
- Intercostal nerves.
- Actions
- Draws ventral part of ribs downward, decreasing the volume of the thoracic cavity for forceful expiration.
This entry is part of Knowlative Pro
The full entry includes: 4 images · 1 muscle test · 15 connections.
Knowlative PRO, with every entry and every connection, opens soon. Subscribe to the newsletter to be the first to know.

