Jules Syb | Physical Therapist | Hybrid Athlete on Instagram: "Why single-leg strength is crucial ↓ Every stride during running is a controlled single-leg hop: landing, stabilizing, and propelling forward. So if your strength training is all bilateral movements (squats, leg press, machines), you’re missing the point. Running-specific strength = single-leg strength + stability. The best runners don’t just have strong legs. They have legs that can stabilize under load, control impact forces, and m