Back pain while planking?🥴You may be using your back instead of your core!A plank is considered an anti-extension exercise. Meaning your trying to fight your low back and pelvis from dumping forward into extension.So how do you prevent dumping into extension? By actively holding a posterior pelvic tilt position (think tucking your tail between your legs). This puts your low back and pelvis into a more neutral position.Once you’re in a more neutral position, you’ll feel your core engage more (yo