Does That Colorful Tape Olympians Wear Even Work?

Kinesio tape has caught the eye of many an Olympic viewer the last two weeks — covering the muscles of volleyball players, javelin throwers, even swimmers. It was invented decades ago by a Japanese chiropractor. Athletes say it eases muscle strain and allows healing, but research has yet to prove the effectiveness of the tape. Melissa Block talks with Amy Powell, a sports medicine doctor at the University of Utah about the tape.