Phases of Spinal Shock
| Phase | Time | Physical exam finding | Underlying physiological event |
| 1 | 0-1d | Areflexia/Hyporeflexia | Loss of descending facilitation |
| 2 | 1-3d | Initial reflex return | Denervation supersensitivity |
| 3 | 1-4w | Hyperreflexia (initial) | Axon-supported synapse growth |
| 4 | 1-12m | Hyperreflexia, Spasticity | Soma-supported synapse growth |
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