Elbows flare to 90°
Anterior shoulder takes the stress; pec loses the stretch at the bottom.
Overactive muscles
Anterior deltoidPec major
Corrective work
Foam RollPectorals↗StretchDoorway pec stretch↗Anterior shoulder takes the stress; pec loses the stretch at the bottom.
Loss of tension and joint stress at lockout.
Hip flexors and erectors compensate for restricted shoulder mobility.