• List the muscles of the chest wall
• what structure lies between the innermost and internal interocostals
• what is the innervation of the muscles of the chest wall
• what are the accessory muscles of inspiration?
• what are the accessory muscles of expiration?

General anatomy

• what does the intercostal space contain?
• what is the name of the system of nerves lying on either side of the vertebral column in the posterior chest wall

be able to recognize transversis thoracis and subcostals

Arteries of Chest wall

Anterior chest wall

• what does the internal thoracic artery give rise to?
• what do the answer in a. supply?
• at the 6th intercostal space, what happens to the anterior intercostal arteries

Posterior chest wall

• what structure vascularizes the 1st and 2nd intercostal space
• what structure vascularizes the remaining 9 intercostal spaces

Veins of Chest wall