for a workout, but getting on it for 15 in the morning and 15 at night (when i don't get to the gym) does help!
this machine surprises me because like everyone else said i too was skeptical about this machine because it is so small. but after using it for 10 minutes for the first time, i was already sweating. and like everyone else said, the machine rocks from side to side sometimes while i'm using it.
so you should be careful while working out on the machine. i wish it had a handle on it for balance, but i'm using the machine behind my couch and using my couch for 