About 10% of all patients will never require therapy.

Some patients can have a narrowed canal without symptoms, and do not require therapy.

All have required extensive therapy to deal with the effects of the fire.

Persistent shoulder pain requires medical attention and often physical therapy.

For some people, recovery can take weeks or months and may require long-term physical therapy.

About half of them did not require additional dopaminergic therapy two years later.

"But we have 4,000 right now who require therapy," he said, speaking only of patients served at his clinic.

He required physical therapy to regain the use of his leg.

But all patients require physical therapy, in addition to exercise routines.

Between 30 and 70% of patients do not require therapy.