If you are feeling a ‘heaviness’ in the blood flow of your arms, wear magnetic copper bracelets. It eases the symptoms. This is similar to the ones I wear.

https://www.sciencemag.org/news/2011/06/magnets-keep-blood-flowing#:~:text=The%20magnetic%20effect%2C%20the%20researchers,of%20Tao%20and%20Huang’s%20electromagnet.