Erb palsy, or Erb-Duchenne paralysis, is one of most common neurological birth injuries. It is caused by injury to brachial plexus which form of C5, C6, C7, C8, and T1. These nerves network from the spine and pass through the cervicoaxillary canal in the neck and the ribs and emerge into the axilla. Brachial plexus is a musculocutaneous nerve that innervates all muscles of the upper limb except the trapezius muscle which is supplied by accessory nerve CN XI.
Treasure Island (FL)