Kevin Hart works out like a pro athlete. His trainer says heavy lifting isn't the key to staying shredded.

Source: Business Insider

Kevin Hart has been committed to a disciplined workout plan for years. Gilbert Flores/Penske Media via Getty ImagesKevin Hart spends hours in the gym each week, according to his personal trainer Ron "Boss" Everline. His initial goal was to get on the cover of fitness magazines, but now he trains for longevity.