Reflexes: Difference between revisions
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Revision as of 22:54, 26 November 2015
Deep Tendon Reflexes
- Jaw jerk reflex CN V
- Biceps reflex C5/C6
- Brachioradialis reflex C6
- Extensor digitorum reflex C6/C7
- Triceps reflex C7/C8
- Patellar jerk reflex L2-L4
- Ankle jerk reflex S1/S2
Cranial Nerve Reflexes
| Name | Sensory | Motor |
| Pupillary light reflex | II | III |
| Accommodation reflex | II | III |
| Jaw jerk reflex | V | V |
| Corneal reflex, also known as the blink reflex | V | VII |
| Glabellar reflex | V | VII |
| Vestibulo-ocular reflex | VIII | III, IV, VI + |
| Gag reflex | IX | X |
Grading Reflexes
| Grade | Response | Significance |
|---|---|---|
| 0 | no response | always abnormal |
| 1+ | slight but definitely present response | may or may not be normal |
| 2+ | brisk response | normal |
| 3+ | very brisk response | may or may not be normal |
| 4+ | hyperactive with clonus | always abnormal |
| 5+ | sustained clonus | always abnormal |