Connect to Sharepoint List and Update Values from Excel

In Excel VBA how do you connect to a Sharepoint List and insert/update rows
to the list from values from the excel worksheet?
I am using a testing template spreadsheet and when I fail a test condition I
want it to create a new row in the Sharepoint List for Testing Incidents.
Right now I have to manually go to the Sharepoint site and update the list
with the test incident. I want to be able to automate it since all the
values are already contained on the testing template.