21.   She attributes part of her injury to a rigorous schedule.

22.   Since Thanksgiving, Sandoval has had a rigorous daily training schedule for this grueling event.

23.   Testud, the first of the seeded women to fall, was admittedly flat and fatigued from a rigorous schedule.

24.   That was despite the fact that his rigorous schedule cost him his marriage.

25.   The crew members said they were healthy, sleeping well and meeting a rigorous schedule for scientific experiments.

26.   There were doubts after the three losses and the rigorous schedule that awaits made this game a must win.

27.   To accomplish that, he put himself through a rigorous schedule.

28.   Vice President Dick Cheney is following an even more rigorous schedule, and the administration intends to dispatch Cabinet secretaries to help candidates, too.

29.   Year in and year out, the teams play rigorous schedules that insure they will have a say in who plays for the national championship.

30.   Despite the rigorous shooting schedule, Cyrus played a busy concert schedule this year and has returned to the studio to work on his eighth album.