His father found fame as a body builder before becoming a hit on the silver screen. And it seemed that 18-year-old Patrick Schwarzenegger was determined to follow in Arnold's footsteps as he embarked in a day on intense training yesterday. Wearing shorts and trainers, the youngster ran alongside a personal trainer near the family's Brentwood home. The teenager looked in peak physical fitness as he jogged along in the Los Angeles sunshine. He also used a wall to perform some press ups and was also spotted using a chin-up bar with ease. His father Arnold famously came to America from his native Austria at the age of 21, where he took part in several body building competitions. 11 more images after the break...