Any ideas for heavy bag circuits?

[sjharvey]

Sometimes I like using a heavy bag for upper body cardio.

http://www.articlesbase.com/martial-arts-articles/heavy-bag-training-for-mixed-martial-arts-self-defence-and-fitness-by-sward-co-themmaforumscom-169623.html

[spirez]

http://www.rossboxing.com/thegym/thegym24.htm

[sjharvey]

http://www.rossboxing.com/thegym/thegym24.htm

Thank you.

[KidKimura]

I like to do a few rounds of tabatas, one round punches, one knees, then one kicks.

[elv1577]

i have a set bag workout that i some times change up with 5 minute rounds on the bag. i do 1 round punches and elbows, 1 round kicks and knees, 1 round punches and kicks. you can repeat this as mant times as u want. depends on if u wanna puke or pass out lol