You've seen the circular bruises on Olympic athletes' backs. You've watched the TikToks. You might have even heard someone say cupping "changed their life" or that it's total pseudoscience and a waste of money. The truth, as it usually does, lives somewhere more interesting than either extreme. Cupping is one of the most mischaracterized tools in rehabilitative care. It's oversold by some, dismissed by others, and genuinely understood by very few. As a Doctor of Physical Ther