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Nerves
| Question | Answer |
|---|---|
| Phrenic Origin | Neck (C3-C5) |
| Phrenic Function | Controls the diaphragm for breathing |
| Axillary Origin | Shoulder |
| Axillary Function | Move shoulder and provide outer shoulder sensation |
| Radial Origin | Shoulder |
| Radial Function | Extends elbow, wrist, and finger |
| Median Origin | Shoulder |
| Median Function | Controls thumb movement and hand sensation |
| Musculocutaneous Origin | Shoulder |
| Musculocutaneous Function | Bends elbw and forearm |
| Ulnar Origin | Shoulder |
| Ulnar Function | Hand muscles and pink/ring finger sensation |
| Femoral Origin | Lumbar spine |
| Femoral Function | Straightens knee and moves thigh |
| Obturator Origin | Lumbar spine |
| Obturator Function | Moves leg inward; inner thigh sensation |
| Sciatic Origin | Lower Spine |
| Sciatic Function | Main nerve for leg and foot movement |
| Common Fibular Origin | Branch of sciatic nerve |
| Common Fibular Function | Lifts foot and moves toes |
| Tibular Origin | Branch of sciatic nerve |
| Tibular Function | Controls calf and foot movement |
| Facial Origin | Brainstem |
| Facial Function | Facial expressions and taste |
| Vestibulocochlear Origin | Brainstem |
| Vestibulocochlear Function | Hearing and balance |
| Glossopharyngeal Origin | Brainstem |
| Glossopharyngeal Function | Taste and swallowing |
| Vagus Origin | Brainstem |
| Vagus Function | Heart, lungs, and digestion |
| Accesory Origin | Brainstem/spinal cord |
| Accesory Function | Moves shoulders and head |
| Hypoglossal Origin | Brainstem |
| Hypoglossal Function | Tongue movement |
| Olfactory Origin | Brain |
| Olafactory Function | Smell |
| Optic Origin | Eye to brain |
| Optic Function | Vision |
| Oculomotor Origin | Brainstem |
| Oculomotor Function | Moves eyes and opens eyelids |
| Trochlear Origin | Brainstem |
| Trochlear Function | Moves eyes downward/inward |
| Trigeminal Origin | Brainstem |
| Trigeminal Function | Fecial sensation and chewing |