Background and Aim: It is vital to determine the amount of each person’s resistance to pain, particularly for the children who cannot state their pain’s amount and intensity. On the other hand it could help to adapt the amount of consumed narcotic drugs according to their amount of pain. Methods: Thermometer – Cold water – Stopwatch – 6-7 year old children The method that is taken advantage of in this research is the 4 Celsius cold water test which was first introduced by (Harris and Rolman 1985). Results: Statistical analysis has shown that the acute pain threshold in the dominant hand of the children is more than the other hand (p < 0.001). Actually, the analgesia happens more for the dominant hand rather than the recessive one. Conclusion: The fact that a person uses his dominant hand more in daily jobs could be effective in development of an accommodation in the thermal pain receptors and as a result increase the pain threshold (Muto, S. etal 2006) and make a kind of analgesia against coldness.

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