Zeinolebadi , Reza , Edalatmanesh, Mohammad Amin . The effect of six weeks of HIIT training on pain tolerance threshold in rats with Parkinson's disease (Running title: HIIT training and pain tolerance threshold). Journal of Physical Activity and Hormones. 2024;5(3):13-17. doi: https://doi.org/10.71878/jpah.2024.1127304