Elbows drop below shoulder
Changes the rotator cuff angle; subscapularis resists instead of infraspinatus working.
Overactive muscles
Latissimus dorsiTeres major
Corrective work
Foam RollLats↗StretchLat stretch (kneeling overhead)↗Changes the rotator cuff angle; subscapularis resists instead of infraspinatus working.
Upper traps dominate the external rotation pattern.