5
votes
3answers
2k views

Should my running be aerobic or anaerobic?

I'm running every other day, and I run pretty hard. I'm looking for the best way to build endurance so that I can run for longer without wearing out, but I'm also liking the amount of calories that ...
6
votes
1answer
498 views

What are some upper-body cardio programs to increase endurance?

I'm looking to keep increasing my endurance when I can't do lower body exercises. Are there any interesting high-intensity programs out there that don't rely on your legs? For reference, Beachbody's ...