Brachial plexus injury associated with chest restraint seatbelt: case report.
 Rapid deceleration while wearing a lap-shoulder strap seatbelt may result in a traction injury to the brachial plexus on the side of the shoulder strap.
 Occult vascular injury should be considered in patients with this injury pattern.
 The deficit will recover after a neuropraxic type injury.
