Physiogain on Instagram: "Your knee pain isn't from running... it's from what you did on leg day 🚨 This is one of the most common imbalances I see in clinic. Let me explain: THE PROBLEM: Leg day = squats, leg press, leg extensions only. Hamstrings? Ignored. Here's what happens: → Quads become 2-3x stronger than hamstrings → They pull your pelvis forward (anterior pelvic tilt) → Hamstrings get overstretched and weak → They can't stabilize your knee properly → Knee takes excessive stress → ACL be