• patient's
  • It usually only affects one hip at a given time, though both hips may produce piriformis syndrome at some point in the patient's lifetime, and having had it once greatly increases the chance that it will recur in one hip or the other at some future point unless action is taken to prevent this. (wikipedia.org)
  • activities
  • It has been theorized that people who regularly exercise by running, bicycling, and other forward-moving activities may be more susceptible to developing piriformis syndrome if they do not engage in lateral stretching and strengthening exercises. (wikipedia.org)