Torso rocks to assist
Body momentum generates the lift rather than isolated deltoid strength.
Overactive muscles
Erector spinaeQLObliques
Corrective work
Foam RollLumbar erectors↗StretchLateral trunk stretch↗Body momentum generates the lift rather than isolated deltoid strength.
Wrists pull ahead of elbows so the deltoid loses its optimal angle of pull.
Shoulder girdle elevates rather than deltoid abducting past 90°.