The Spine and Its Muscles. Terms . Capitis = head Cervicis = neck Thoracis = thoracic Lumborum = Lumbar Foramen = hole/tunnel Occiptal condyles = where C1 articulates. Thorax/Ribs. Thorax = refers to entire chest
Thorax = refers to entire chest
12 pairs of ribs give structural support to the thoracic cavity
1-7 have direct attachment to the sternum by costalcartilage, making them true ribs.
The other 5 ribs are false ribs because they either attach indirectly or not at all to the sternum.
11-12 ribs are floating because they do not attach to the sternum at all
* Can a disc “slip?” What happens during this?
Muscles that help prevent back injury – THE CORE!
Most superficial to most deep: