Shoulders shrug on the raise
Upper traps elevate; medial deltoid is underloaded.
Overactive muscles
Upper trapeziusLevator scapulae
Corrective work
Foam RollUpper traps↗StretchLevator scapulae stretch↗Upper traps elevate; medial deltoid is underloaded.
Erectors and hip extensors assist; bilateral raise becomes a cheat.