Elbows stay below shoulder height
Upper trap is the primary mover; medial delt and infraspinatus miss out.
Overactive muscles
Upper trapeziusLevator scapulae
Corrective work
Foam RollUpper traps↗StretchLevator scapulae stretch↗Upper trap is the primary mover; medial delt and infraspinatus miss out.
Bar swings outward; increases shoulder impingement risk.