You're right...but the problem with rowing machines and my workout is that I lift weights the every day. It makes it hard for me to row because I do my cardio after my weight training.Originally posted by: Kipper
If I had my choice, I'd say the rowing machine...
Originally posted by: LongTimePCUser
Tread mill is most efficient in getting an aerobic exercise in the least time spent.
Unless you count rehabilitation time because it beats the crap out of your ankles, knees and hips leading to lots of injury time.