The dissection of the posterior triangle and axilla highlites the brachial plexus branches of the subclavian and axillary arteries.

Basic concepts:
You may wish to review the basic concepts for the upper limb at this time. The link opens a new window which you will need to close to return to this page.

Specific Learning Objectives:

1. Describe the relationships of structures found in the axilla. recall that the cords of the brachial plexus are described because of their relationship to the axillary artery. Look for the "M" or "W" to orient yourself to the terminal branches of the brachial plexus.
2. Recall which spinal segments contribute to each peripheral nerve (e.g., axillary = C5,6).
3. Identify anatomic structures in radiographic studies including X-ray, CT scans and MRI films.

Difficult parts of the dissection:

1. This dissection is not terribly difficult since it involves mostly cleaning the nerves and arteries.