Bony Thorax, G1.9 ,Anatomy, Thorax, Bony Thorax and Joints

Bony Thorax, G1.9 ,Anatomy, Thorax, Bony Thorax and Joints

1. True Ribs - Superior 7 Ribs articulate with the Sternum, 
2. 8 to 10 articulate with the cartilage above and 
3. 11 and 12 are floating ribs 
4. Costal Arch or Costal Margin
5. Infrasternal angle

Rib number is above the Vertebra number - Rib 12 above 12th Thoracic vertebra