Hips drop — body sags
Core disengages; becomes a partial movement.
Overactive muscles
Hip flexorsErector spinae
Corrective work
Foam RollHip flexors↗StretchHalf-kneeling hip flexor stretch↗Core disengages; becomes a partial movement.
Upper traps dominate instead of mid-back.
High elbow path; rear delts only — mid-back loses tension.