August 13, 2008: During a campaign stop in Michigan, Cindy McCain sprained her wrist after shaking hands with an overzealous supporter. She was treated at a nearby hospital and released the same day.The Los Angeles Times: Cindy McCain's handshake injury(August 13, 2008)

Due to the injury, her arm has rested in a sling since the incident. The Wall Street Journal has reported that Cindy McCain was wearing a bright pink cast.The Wall Street Journal: What does it take for McCain...

"Funny as it may sound, handshaking is a common source of people having sore hands"The Los Angeles Times: Cindy McCain's handshake injury(August 13, 2008)—Dr. Leon Benson