Sacrum, Coccyx, & SI Joints: Anatomy & Routine Projections - Video Lesson

Hey, everybody. Welcome to today's lesson on the gross anatomy and routine radiographic projections of the sacrum, coccyx, and sacroiliac joints. This essential topic forms the foundation for accurate imaging and diagnosis of conditions related to the sacrum, coccyx, and sacroiliac joints. In this lesson, we'll cover the anatomy of the sacrum, coccyx, and sacroiliac joints, and routine projections for radiographs. Let's get started. Anatomical terms related to the sacrum, coccyx, and sacroiliac joints include kyphotic, convex curvature of the sacral region, sacral foramina, anterior openings to transmit nerves and blood vessels, Ale or wings, large masses of bone lateral to the first sacral segment. Promontory, anterior ridge of the body of the first sacral segment. Sacral canal, continuation of the vertebral canal containing sacral nerves.