Tag Archives: fatigue

Physiology of Reversibility: If You Don’t Use It, You Lose It!

Have you heard the old adage “if you don’t use it, you lose it”? james-stewart26Does this really happen? If so, to what degree does one “lose it”? I was riding dirt bikes since the age of three, began racing motocross at age six and ‘retired’ –moved from home and went to graduate school – around the age of 21. After 18 years of riding and racing, I know I can still swing my leg over a seat and take off and ride much better than most. But, I could not go as fast as I once could. I would not have the technique nor would I have the strength power or endurance to ride for long. What about my neural impulse and reaction – that would be nonexistent, wouldn’t it?  Countless studies have demonstrated the positive correlation between practice and reaction. I haven’t practiced and with my luck, I’d hit a rock and run in to a tree. Continue reading