Concerning brachial plexus, which of the following facts are true
High-Yield Explanation
Brachial plexus is formed by the anterior primary rami of spinal nerves C5-C8 and T1, with contribution from the anterior primary rami of C4 and T2. Radial nerve is a branch of posterior cord. Injury to the upper trunk causes Erb&;s paralysis. B D Chaurasia 7th edition Page no: 58