[driverdan]

This is exactly how I lift weights / exercise, with complete focus and mindfulness.

While working out it is all I think about. I put on headphones with fast, heavy music and focus on the exercise I'm doing at that moment. I don't think about email in my inbox, I don't think about the errands I need to run, I don't talk to the other people around me. I think about my muscles contracting. I think about the extra 5 lbs I just added to the bar. I think about my form. I think about my breathing.

It is meditation as much as sitting on a pillow with legs crossed and eyes closed.

[mtts]

Weight lifting could be mindfulness, but only if you don't "put on headphones with fast, heavy music". Those headphones are a distraction.

[driverdan]

They aren't because they help shut out the outside world. I don't focus on the music, the music helps me focus on my lifts.