Bones of the dorsal trunk

This tutorial by Wang from Kenhub covers the anatomy of the dorsal trunk, focusing on the bones. It defines the trunk, excluding limbs, neck, and head, and explores the cervical, thoracic, and lumbar vertebrae, as well as the true and false ribs. The clavicle's anatomy and its articulations are discussed, along with the detailed structure of the ribs, including the head, neck, and body. The tutorial provides a comprehensive overview of these anatomical structures.

What is the total number of lumbar vertebrae?

What is the name of the joint formed by the articulation of L5 and the sacrum?

What is the function of the costal groove found on the ribs?