III.B.1 Thorax: Thoracic Wall: Page 1 of 5

OBJECTIVES:

2.1.1   Compare the features of typical and atypical ribs. Identify osseous portions of the sternum.

2.1.2   Identify the joints and ligaments associated with the movements of respiration. Demonstrate the anatomy, function, and innervation of the intercostal muscles and the diaphragm.

2.1.3   Identify the muscles that are considered to be accessory muscles of respiration.

2.1.4   Follow the course of a nervous impulse from the 4th intercostal space to the spinal cord and from the spinal cord to an intercostal muscle in the 4th intercostal space.

2.1.5   Identify the sympathetic trunk and its connections to an intercostal nerve.

2.1.6   Indicate the origin, location, and termination of the pre- and postganglionic elements.

2.1.7   Trace the flow of blood into and out of a typical intercostal space (anteriorly and posteriorly).

2.1.8   Indicate the organization of the arterial and venous elements, possible collateral vascular pathways and their relationships to the different muscles of the thoracic wall.

READINGS:

Moore's COA: Pages 291-301, 305-315, 339, 388-389, 419. See the blue boxes on pages 302-304, 315-316 for clinical correlations. See the yellow boxes on pages 305, 316 for "The Bottom Line."