How do I fix IT band syndrome?
Fix IT band syndrome with glute strengthening (clamshells, side planks, hip hikes), reduced downhill running, foam rolling the quads and TFL (not the IT band itself), and 1-2 weeks of reduced mileage. The root cause is almost always weak glute medius, not a tight IT band.
IT band syndrome causes sharp lateral knee pain, usually appearing 2-5 km into a run and forcing runners to stop. The conventional advice — stretch the IT band, foam roll it aggressively — is mostly wrong. The IT band is dense fascia that can't meaningfully stretch, and rolling it directly is painful without fixing the underlying problem. The real cause is weak glute medius (hip abductor) allowing the hip to drop on each stride, which pulls the IT band taut against the lateral knee. Fix it in this order: (1) Strengthen glute medius with clamshells, side-lying leg raises, monster walks with resistance band, single-leg glute bridges — 3 sets of 15, daily for 4 weeks. (2) Foam roll the quads, TFL (the small muscle on the front of your hip), and glutes — but skip rolling the IT band itself. (3) Reduce mileage by 30-50% for 2 weeks while you rehab. (4) Avoid excessive downhill running and banked surfaces during recovery. (5) Replace shoes if worn out. Most runners see significant improvement within 3-4 weeks. If pain persists past 6 weeks with consistent rehab, see a sports physio — you may have an underlying biomechanical issue requiring orthotics or gait retraining. Don't run through it; it progresses to chronic inflammation.