Lateral view of the transversus thoracis muscle with bony attachments.

Illustration of the skeletal structures of the abdomen including rib cage and pelvis.

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.

Posterior view of the serratus posterior superior and serratus posterior inferior muscles along with the levatores costarum muscle. Bony attachments are also shown.

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

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

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

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

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

Rib cage and pelvic bones.