Coming out of a period of ITBS, I recovered while doing Eric's core strength and stability exercises. I could feel how my muscle balance during runs shifted from quad dominance (and a bit of a butt-out posture) to utilising the glutes and calves more. I also did hip flexor / TFL stretches to ease tension on the ITB. All went well... Until I sat for a long time again (10 hour drive), after which m…