Bony landmarks and ligaments of the pelvis. Anterior surface of sacrum and coccyx.

Bony landmarks and ligaments of the pelvis. Dorsal view of pelvis.

The spinal cord within the bony vertebral canal. Emergence of spinal nerves at various levels.

Walls of pelvis minor, sagittal sections. A. Muscles and branches of pudendal nerve. Insert image indicates the direction of obturator internus.

Lateral view of the transversus thoracis muscle with bony attachments.

Posterior view of the serratus posterior superior muscle with bony attachments. Muscle is shown on just one side.

Posterior view of the levatores costarum muscles with bony attachments. Muscle is shown on both sides of ribcage.

Lateral view of the serratus posterior superior muscle with bony attachments. Muscle is shown on just one side.

Posterior view of the serratus posterior superior muscle with bony attachments. Muscle is shown on both sides.

Posterior view of the serratus posterior superior muscles and serratus posterior inferior muscles with bony attachments. Muscles are shown on both sides of body.

Posterior view of the serratus posterior superior muscles and serratus posterior inferior muscles with bony attachments. Muscles are shown on just left side of body.

Lateral view of the thoracic cavity and ribcage showing the intercostal muscles and their bony attachments.

Lumbosacral spine, bones and ligaments