Forward lean — becomes a chest dip
Trunk pitches forward; pec and anterior delt dominate over tricep.
Overactive muscles
Pec majorAnterior deltoid
Corrective work
Foam RollPectorals↗StretchDoorway pec stretch↗Trunk pitches forward; pec and anterior delt dominate over tricep.
Upper traps elevate instead of the shoulder staying packed.