[15] The posterior rami provide spine muscle and trunk skin sensation. The most complex nerve plexus is the brachial plexus, consisting of cervical nerves 5 through 8 (C5 to C8) and thoracic nerve ...

Especially if the trunk in question is a lot more spacious than we were expecting. Most of the time, though, it's more about the driver's seat and what's in front of it, since that's usually where ...