Brock puts on the 40lb weighted vest he wore cycling across Canada (http://www.biketobeatobesity.com),
and squats for 10 minutes straight, to give his legs a good shock.
Try throwing 10 minutes of squats into any workout to shock your system.

- 10 Minutes of Squats in Portugal: http://youtu.be/qFShwBxUuDM
- Interview with Phillip Adsetts of Kinetico: http://youtu.be/8jNvwuJ4I8I