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Dumbbell Lying One Arm Rear Lateral Raise
A single-arm rear lateral raise performed lying on a bench that isolates the rear deltoid without momentum.
ShouldersDumbbellHorizontal abduction
Primary
Deltoids (posterior head)
Secondary
RhomboidsTrapezius (middle)
Equipment
Dumbbell
Pattern
Horizontal abduction
Setup
- 01Lie chest-down or on your side on a flat bench.
- 02Hold a light dumbbell in the working hand.
- 03Let the arm hang straight down toward the floor.
- 04Keep a slight, fixed bend in the elbow.
Execution
- 01Raise the arm out to the side in an arc.
- 02Lift until the arm is parallel to the floor.
- 03Pause briefly at the top.
- 04Lower slowly back to the hanging start.
Checkpoints
- -The torso stays completely still on the bench.
- -The pinky leads slightly to bias the rear delt.
- -The arm rises to shoulder level, no higher.
- -The lowering phase is slower than the lift.
Common mistakes
- -Swinging the dumbbell up with momentum.
- -Using a load too heavy for strict form.
- -Shrugging the trap to lift the weight.
- -Bending the elbow more as fatigue sets in.
Programming notes
- -Use 3 sets of 12 to 20 reps per arm.
- -Rear delts respond to high reps and strict tempo.
- -Progress by pausing 1 second at the top before adding load.
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