Achilles Tendon Reflex
What is the "Achilles Tendon Reflex" used for?
- S1 Nerve Root Reflex
- Achilles tendon (triceps surae muscle group innervated by Tibial nerve)
How to perform the "Achilles Tendon Reflex"?
- Patient Position: Prone with the feet off the edge of the table
- Position of Examiner: Seated or standing next to the patient, supporting the foot in its neutral position
- Evaluative Procedure: The Achilles tendon is tapped with a reflex hammer.
What is the positive result?
| Grade |
Response |
| 0 |
No reflex elicited |
| +1 |
Hyporeflexia: Reflex elicited with reinforcement (precontracting the muscle) |
| +2 |
Normal response |
| +3 |
Hyperreflexia (brisk) |
| +4 |
Hyperactive with clonus |
References
