It will also make you more supple and strengthen you. That's why it's a good exercise.
7 seconds sound clip from the 8 Strikes Of The Wildcat movie soundboard.
You can hear this line at 00:25:25 in the DVD version of the movie.
Quote context
[...]
- You're much too good, see ya.
- The rolling action works the stomach. Strengthens the muscles of the spinal cord.
- Bend, turn, twist, turn. All of these actions will help you to do this exercise.
- It will also make you more supple and strengthen you. That's why it's a good exercise.
- Master, master, master, I can't carry on like this. Master, master!
- This is the most important thing you'll learn. Here, watch me now.
- With every movement of your body.
[...]