Trunk rotates toward the dumbbell
Core anti-rotation fails under the unilateral hinge load.
Overactive muscles
ObliquesLatissimus dorsi
Corrective work
Foam RollLats↗StretchQL side-bend stretch↗Hinge · Lower Body
Single-Arm DB Romanian Deadlift
Coaching cues
- Hold one dumbbell; hinge on the ipsilateral or contralateral side
- Resist rotation as the single load pulls one side down
- Anti-rotation core demand added to the RDL hinge pattern
- Great for exposing left-right hamstring imbalances
Common faults 2
Lower back rounds on the hinge
Hamstring flexibility is insufficient for the unilateral RDL.
Overactive muscles
HamstringsErector spinae
Corrective work
Foam RollHamstrings↗StretchHamstring stretch with strap↗