At 78, Arnold Schwarzenegger still trains nearly every day — but his workouts look very different now

• Arnold Schwarzenegger began lifting weights as a teenager and said he has adjusted his workouts over time. • Using exercise machines for moves like shoulder presses has helped prevent joint pain, he said. • If you're just starting to lift, Schwarzenegger said you should begin with free weights for greater gains.

At 78, Arnold Schwarzenegger still hits the gym nearly every day — but these days, his workouts last about an hour and a half, not the five-hour marathons that made him a bodybuilding legend.

"I sometimes trained five hours a day with weights," he told Business Insider. "That's a lot of stress on the body — and clearly the body was not meant to do all that."

Schwarzenegger started working out at 15 years old. At the height of his bodybuilding career, he famously sweated th