by Matthew Scott BSc (Hons) MNAVP Traumatic avulsion of the brachial plexus nerve roots is the most common cause of acute thoracic limb monoparesis/plegia in small animals. Patients suffering from this type of injury will have decreased voluntary motor and sensory function (Añor, 2017). What is a brachial plexus avulsion? A brachial plexus avulsion is a common cause of peripheral nerve injury. These are commonly caused through fractures, poor surgical technique, traumatic avulsion of the nerve root (such as from a fall from a great height or a road traffic accident (RTA)), and intramuscular injection (Thomas et al., 2014). There...