Trunk rotates toward the pressing side
Core anti-rotation fails under the unilateral chest press load.
Overactive muscles
ObliquesLatissimus dorsi
Corrective work
Foam RollLats↗StretchQL side-bend stretch↗Push · Upper Body
Single-Arm DB Press
Coaching cues
- Lie flat; one dumbbell pressed; opposite arm rests at the side
- Resist the rotational pull of the single-arm load throughout
- Full range — lower to chest; press to lockout
- Exposes bilateral strength differences and trains anti-rotation
Common faults 2
Non-pressing arm assists — pushes into the bench
The opposite arm braces; the unilateral demand is reduced.
Overactive muscles
Pec majorAnterior deltoid
Corrective work
Foam RollPectorals↗StretchDoorway pec stretch↗