Q. Which of the following statements about the brachial plexus is INCORRECT? (Solved)
1. long thoracic nerve arises from roots
2. Erb’s palsy occurs following traction to upper roots and trunk
3. posterior cord has five branches
4. suprascapular nerve arises from trunks
5. trunks lie behind clavicle on first rib
- e. trunks lie behind clavicle on first rib