Dumbbell Rear Deltoid Raise Bent Over

The bent-over dumbbell rear deltoid raise isolates the posterior deltoids by raising dumbbells out to the sides while hinged forward at the hips. It also engages the rhomboids and mid-traps as the shoulder blades draw together at the top of each rep. Because the rear deltoids are easy to under-train relative to the front and side heads, this exercise is a common tool for correcting shoulder muscle imbalances and improving posture.

Muscles Targeted

• Primary: Posterior deltoids
• Secondary: Rhomboids, middle trapezius
• Tertiary: Rotator cuff muscles, erector spinae (isometric)

Starting Position

Stand with feet shoulder-width apart holding a dumbbell in each hand. Hinge forward from the hips until your torso is near parallel to the floor, keeping a flat back and slight bend in the knees. Let your arms hang straight down below your shoulders with palms facing each other; this is your starting position.

Execution Steps

1. Brace your core and lock your hip hinge so your torso stays still throughout the set
2. Raise both dumbbells out to the sides in an arcing motion, leading with your elbows rather than your hands
3. Keep a slight, consistent bend in your elbows as you lift, avoiding a fully straight or overly bent arm
4. Raise until your upper arms are roughly parallel to the floor, squeezing your shoulder blades together at the top
5. Pause briefly at the top to maximize rear deltoid contraction
6. Lower the dumbbells under control back to the hanging starting position
7. Repeat for the desired number of repetitions, typically 10-15 per set

Form Cues

• Lead with the elbows: Think about pulling your elbows up and back rather than lifting with your hands
• Keep the torso locked: Any rocking or standing up during the lift shifts work away from the rear delts
• Maintain a flat back: A rounded lower back during the hinge increases spinal stress
• Use a light, controlled weight: The rear deltoids are small muscles and respond well to strict, lighter-load training
• Squeeze the shoulder blades together at the top of each rep for full rear deltoid engagement

Common Mistakes

• Using momentum to swing the weights up: This shifts work to the traps and reduces rear deltoid stimulus. Slow the movement and use a weight you can control strictly.
• Standing up during the raise: Losing the hip hinge turns the exercise into a lateral raise variant that misses the rear delts. Keep the torso fixed throughout.
• Rounding the lower back: A rounded spine under load increases injury risk. Keep a flat back by hinging properly and not going lower than your hamstring flexibility allows.
• Raising the arms too high: Lifting above shoulder height recruits the traps more than the rear delts. Stop at approximately shoulder height.
• Locking the elbows straight: Fully extended elbows shift stress toward the joint. Keep a slight, fixed bend throughout the movement.

Variations

• Incline bench rear delt raise: Lying face-down on an incline bench removes the need to hold a hip hinge, reducing lower back demand
• Cable rear delt fly: Constant cable tension provides resistance through the full range, including the stretched bottom position
• Reverse pec deck: A machine-supported variation offering maximum stability and strict form
• Seated bent-over rear delt raise: Seated on a bench with torso bent over the knees, removing standing balance demands
• Face pull: A cable or band variation that combines rear delt and external rotation work

Tips for Progression

• Increase weight in small increments only once every rep is performed with strict form and full control
• Increase reps to 15-20 before adding load, since the rear delts respond well to higher volume
• Slow the tempo: Add a 2-3 second lowering phase to increase time under tension
• Add a brief pause at the top of each rep to strengthen the peak contraction

Training Notes

Train the bent-over rear deltoid raise 1-2 times per week as an accessory movement for shoulders or back, using 10-15 reps per set across 3 sets with light to moderate weight. Rest 45-60 seconds between sets. It fits well at the end of a shoulder, back, or pull-day session, or paired with face pulls for a well-rounded rear-shoulder training block.