Curves in Fitness & Exercise Posted April 12, 2008 you can go for more than 30 minutes, I usually do 3 to 4 rounds and hit the machines really hard, you get out what you put in, just like any exercise.!
Curves
in Fitness & Exercise
Posted
you can go for more than 30 minutes, I usually do 3 to 4 rounds and hit the machines really hard, you get out what you put in, just like any exercise.!