8分鐘練出腹部6塊肌

8 Min Abs Workout, how to have six pack (HD Version)

http://www.youtube.com/watch?v=vkKCVCZe474

Abs workout how to have six pack - Level 2

http://www.youtube.com/watch?v=44mgUselcDU

8 Min Abs Workout - Level 3 - P4P Music

http://www.youtube.com/watch?v=6fN4IP30bnk