Tom Terwilliger is the 1986 NPC Nationals Light-heavyweight class winner and a former IFBB pro bodybuilder. Today, he's a leading authority on the science of achievement and has coached thousands of people seeking to reach their ultimate potential.

SEE ALSO: The Right Mindset for Optimal Training Performance

In this video, Tom talks about the necessity of changing your routine every 8 to 12 weeks to mix things up, shock your body, stimulate your metabolism and invigorate the nervous system. Change your mindset and be prepared for something new and you will be able to crush your plateaus for greater longterm gains. For more about Tom, be sure to log on to TomTerwilliger.com