Which of the following temperature ranges is required for a thermal modality to cause a therapeutic effect?

Question

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To cause a therapeutic effect, thermal modalities must be applied within the range of 40°C to 45°C. Temperatures in this range have been shown to increase blood flow, promote tissue healing, and reduce muscle spasms. Temperatures above or below this range can have negative effects, such as tissue damage or inadequate treatment.

Which of the Following Temperature Ranges Is Required for a Thermal