2012 Olympic Gymnastics Photos: Highlights from London

By Amy Van Deusen, About.com Guide

Reigning world all-around champion Jordyn Wieber had a heart-breaking day in preliminaries. She was fourth in the all-around standings but did not advance to the finals because of the two-per-country rule. Wieber showed class and poise throughout her disappointment, though, and was a rock for the US on three events in the team finals.

Watch Jordyn Wieber on vault in the team finals