Anatomy of the Axial Skeleton and Trunk Musculature

These flashcards cover key terms and definitions related to the anatomical structures of the axial skeleton and associated trunk musculature.

Vertebrosternal ribs

Ribs 1-7 that attach directly to the sternum.

Intervertebral foramen

Opening between vertebrae that allows passage of nerves and blood vessels.

External oblique

A muscle whose fibers run downward and medially.

Transverse abdominis

A deep trunk muscle with fibers that run transversely.

Rectus abdominis

A trunk muscle with fibers oriented vertically.

Cervical vertebrae

Seven vertebrae located in the neck region.

Thoracic vertebrae

Twelve vertebrae located in the upper back.

Lumbar vertebrae

Five vertebrae located in the lower back, characterized by their size and robustness.

Costal cartilage

Cartilage that connects the ribs to the sternum.

Sternal angle

The angle formed by the meeting of the manubrium and the body of the sternum.