Complex sentence: In 1986, Potter suffered two herniated disks in her back at a tournament in England and was forced off the tour several times, but after a grueling exercise and fitness program, successfully returned to the tour.
Split into simpler sentences: In 1986, Potter suffered two herniated disks in her back at a tournament in England and was forced off the tour several times. After a grueling exercise and fitness program, she successfully returned to the tour.