Spasms are measured by the number of spontaneous muscle spasms that occur over a one hour period
0. None.
1. No spontaneous spasms; but vigorous sensory or motor stimulation results in spasms.
2. No spontaneous spasms; but vigorous sensory or motor stimulation results in spasms..
3. Greater than one but less than ten spontaneous spasms per hour.
4. Greater than ten spontaneous spasms per hour.