| MRC Scale | |
| Grade | Description |
| 0 | no contraction |
| 1 | flicker or trace of contraction |
| 2 | active movement with gravity eliminated |
| 3 | active movement against gravity |
| 4* | active movement against gravity and resistance |
| 5 | normal power |
Reflexes are graded using a 0 to 4+ scale:
| Grade Description | |
| 0 | absent |
| 1+ | hypoactive |
| 2+ | normal |
| 3+ | hyperactive without clonus |
| 4+ | hyperactive with clonus |
Babinski Response
- explain the examination technique to the patient and ask them to relax.
- stroke the lateral aspect of the sole of each foot and then come across the ball of the foot medially with a sharp object.
Clonus
If reflexes are hyperactive, test for ankle clonus.
- ask the patient to relax.
- support the knee in a partly flexed position.
- quickly dorsiflex the foot and observe for rhythmic clonic movements.
http://neuroexam.med.utoronto.ca/motor_4.htm
http://neuroexam.med.utoronto.ca/motor_6.htm
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