What is the Effect of Heat on Tendon Cells?
Short and sweet text on what happens to cells when they over heat?
Conclusion is that the proteins that hold the cells together begin to degrade, affecting the stability of the cells. This is an affect that becomes visible over time, not immediately, but it seems the regular heating and cooling of cells exacerbates the problem. Therefore attempting to keep temperatures as consistent as possible, and temperature variances as minimal and gradual as possible is paramount.
Link below
https://www.ncbi.nlm.nih.gov/m/pubmed/9202452/
HUSK Air boots have been tested to prove causation of temperature beyond natural increase is not significant (studies in blog).