Elbows swing forward — becomes a standard curl
The unique elbow-back path is lost; long head stimulus disappears.
Overactive muscles
Anterior deltoidUpper trapezius
Corrective work
Foam RollUpper traps↗StretchDoorway pec stretch↗The unique elbow-back path is lost; long head stimulus disappears.
Bar swings away; mechanics revert to a standard curl.