💡 Erb's point: Upper trunk. Klumpke's: Lower trunk.

💡 LR6 SO4 Rest 3. V3 is the only mixed trigeminal branch.

💡 Arch 1: Mastication. Arch 2: Facial expression. Arch 3: Stylopharyngeus. Arch 4/6: Larynx.

💡 MCA stroke = Face/Arm weakness > Leg. ACA = Leg > Arm.