Christopher Schwarzenegger Christopher Schwarzenegger

Arnold Schwarzenegger and Maria Shriver brought their 13-year-old son, Christopher, home from the hospital Monday after he suffered from a collapsed lung and broken bones while boogie boarding over the weekend.

Christopher Schwarzenegger expected to make full recovery after surfing accident

"Blessed to be able to take Christopher out of the hospital last night," Shriver tweeted Tuesday. "What a feeling of relief to know that he's going to be fine... Thank you for all your thoughts and prayers. The whole family, especially Christopher, felt your love."

"Thanks for all your support for Christopher," the former governor of California tweeted Monday. "It means a lot to me & to him. He's doing much better & we'll have him back at full speed soon."

Maria Shriver files for divorce from Arnold Schwarzenegger

Schwarzenegger, 63, and Shriver, 55, announced their separation in May after Schwarzenegger admitted he fathered a child with a former member of their household staff. Roughly a week later, Shriver hired a top divorce attorney and filed the papers in early July. The couple have four children together, including Katherine, 21, Christina, 19, Patrick, 17, and Christopher.