Erin scored a 33.8 during her second, optional routine, at the Olympics.

Scores for optional routines count 40 percent.

These new standardized routines remained in effect for senior competition until 2004 when "optional" routines were once again brought back.

Since 2004, optional routines are used for all categories at senior level competition.

His coaching style focuses on increasing the technical difficulty of the optional routine.

The team compulsories also provide half the scores for the team competition, which includes a round of optional routines.

However, gymnasts performed compulsory exercises in the preliminaries and their optional routines on the second day.

It's an optional routine that combines strength-training and cardio, burning loads of calories in under 20 minutes!

But without enough practice on her optional routines, which are more difficult, she withdrew, thus increasing the weight of her scores at the trials.

Each team member performed compulsory and optional routines on each of six apparatus.