• What is the brachial plexus?
• Where does the brachial plexus begin and run through?
• Which nerves forms the plexus?
• Which muscles do the spinal nerve roots of the brachial plexus pass through to enter the base of the neck?
• How many trunks does the brachial plexus have and which roots make them up?
• What do the trunks of the brachial plexus divide into?
• How many divisions does the brachial plexus have, and where do they pass into?
• What are the respective cords of the brachial plexus formed by?
• Name the major branches of the brachial plexus
• Diagram