In this June 14, 2012, photo, Rick Limitone, manager of Snap Fitness, posses for a photo at the truck stop gym in Dallas. From trucking companies embracing wellness and weight-loss programs to gyms being installed at truck stops, momentum has picked up in recent years to help those who make their living driving big rigs get into shape. (AP Photo/LM Otero)
In this June 14, 2012, photo, Gary Findley, Chief Operating Officer of Snap Fitness, left, and Rick Limitone, manager of a Snap Fitness gym, pose for a photo at the truck stop location in Dallas. From trucking companies embracing wellness and weight-loss programs to gyms being installed at truck stops, momentum has picked up in recent years to help those who make their living driving big rigs get into shape. (AP Photo/LM Otero)
In this June 14, 2012, photo, gym manager Rick Limitone demonstrates a work out machine at a Snap Fitness truck stop gym in Dallas. From trucking companies embracing wellness and weight-loss programs to gyms being installed at truck stops, momentum has picked up in recent years to help those who make their living driving big rigs get into shape. (AP Photo/LM Otero)
This June 14, 2012, photo shows a Snap Fitness truck stop gym in Dallas. From trucking companies embracing wellness and weight-loss programs to gyms being installed at truck stops, momentum has picked up in recent years to help those who make their living driving big rigs get into shape. (AP Photo/LM Otero)
In this July 11, 2012, photo, wellness coach Kara Whitcomb, front center, leads truckers in a stretching regime before their driving shifts start at Con-way Freight in Garland, Texas. From trucking companies embracing wellness and weight-loss programs to gyms being installed at truck stops, momentum has picked up in recent years to help those who make their living driving big rigs get into shape. (AP Photo/LM Otero)
In this July 11, 2012, photo, truckers stretch before their driving shifts start at Con-way Freight in Garland, Texas. From trucking companies embracing wellness and weight-loss programs to gyms being installed at truck stops, momentum has picked up in recent years to help those who make their living driving big rigs get into shape. (AP Photo/LM Otero)
In this June 14, 2012, photo, a customer works out at a Snap Fitness truck stop gym in Dallas. From trucking companies embracing wellness and weight-loss programs to gyms being installed at truck stops, momentum has picked up in recent years to help those who make their living driving big rigs get into shape. (AP Photo/LM Otero)
DALLAS (AP) — In the months after Doug Robinson started driving a truck, he noticed his clothes were increasingly more snug-fitting. He was already overweight but soon realized that spending up to 11 hours behind the wheel, frequently eating fast food and not exercising was …