"What our study would say is that any kind of movement can add up to keep depression at bay. I think that's why our study findings were especially appealing. It didn't say you have to run a marathon, do hours of aerobics, or be a CrossFit master just to see benefits on depression," says Choi.
https://www.health.harvard.edu/mind-and-mood/more-evidence-that-exercise-can-boost-mood