Dumbbell Bent Over Alternate Rear Delt Fly
Dumbbell Bent Over Alternate Rear Delt Fly Exercise Description
The Dumbbell Bent-Over Alternate Rear Delt Fly trains the posterior deltoids with support from the middle trapezius and rhomboids for scapular control. Performed in a hip-hinge position, it emphasizes horizontal shoulder abduction while your trunk stays stable and your spine remains neutral. Alternating arms allows focus on one side at a time, helping maintain even tempo and minimizing torso sway. Expect significant isometric work from the spinal erectors, glutes, and hamstrings to hold posture throughout the set. Use smooth, controlled arcs and keep the shoulders “down and back” to target the rear delts rather than the upper traps.
- Muscle Groups: Delts, Shoulders
- Target Muscles: Deltoid - Posterior
- Assisting Muscles: Infraspinatus, Teres Minor
- Stabilizing Muscles: Biceps Femoris - Long Head, Gluteus Maximus, Longissimus, Rhomboid Major, Trapezius - Middle Fibers
- Body Area: Upper Body
- Body Parts: Shoulders
- Body Surface: Back
- Body Symmetry: Unilateral
- Equipment: Dumbbell
- Exercise Patterns: Other
- Exercise Type: Strength
- Functional Grouping: Shoulder Extensors
- Joint Involvement: Single-joint
- Muscle Location: Rear Shoulder
- Movement Direction: Other
- Muscle Position: Posterior
- Gender: Male
How To Do The Dumbbell Bent Over Alternate Rear Delt Fly Exercise
‘- Stand with feet hip-width apart, hold dumbbells at your sides with a neutral grip (palms facing each other).
– Hinge at the hips until your torso is near parallel to the floor; keep a neutral spine, soft knees, and braced trunk.
– Let the arms hang under the shoulders; keep wrists neutral and elbows slightly bent throughout.
– Set the shoulders: gently retract and depress the scapulae (down and back) without shrugging.
– Keep your head in line with your spine; gaze at the floor a few feet ahead.
– Without rotating the torso, lead with the right elbow and raise the dumbbell out to the side in a wide arc until upper arm is roughly in line with the torso.
– Pause briefly; lower with control to the start position, maintaining the same elbow angle.
– Repeat on the left arm, keeping the non-working arm still and your trunk stable.
– Move smoothly—no swinging, shrugging, or twisting. Stop the raise if the shoulder rolls forward or the low back extends.
– Finish by returning to standing via a hip hinge, keeping the spine neutral.
Dumbbell Bent Over Alternate Rear Delt Fly Tips
‘- Stand with feet hip-width and hold the dumbbells at your sides with a neutral grip (palms facing each other).
– Hinge at the hips until your torso is near parallel to the floor while keeping a neutral spine, soft knees, and a braced trunk.
– Let your arms hang straight down under your shoulders with neutral wrists and slightly bent elbows.
– Gently retract and depress your shoulder blades (“down and back”) and avoid shrugging before you start lifting.
– Keep your head in line with your spine and fix your gaze on the floor a few feet in front of you.
– Lead the working arm with the elbow and raise the dumbbell in a wide, smooth arc until your upper arm is roughly in line with your torso.
– Pause briefly at the top, then lower the dumbbell with control, keeping the same elbow angle.
– Alternate arms, keeping the non-working arm still and your trunk stable to minimize torso sway.
– Move smoothly without swinging, shrugging, or twisting, and stop the raise if your shoulder rolls forward or your low back starts to extend.
– Maintain the hip-hinge position throughout the set so your spinal erectors, glutes, and hamstrings hold your posture isometrically.
– Keep the shoulders set “down and back” during each rep to emphasize the rear delts instead of the upper traps.
– Finish by returning to standing through a controlled hip hinge, keeping your spine neutral.
[Continue only as needed for precise execution]
Dumbbell Bent Over Alternate Rear Delt Fly Beginner Introduction
The Dumbbell Bent-Over Alternate Rear Delt Fly is a free-weight movement that targets the rear shoulders while also involving the upper back. In a forward-leaning stance, the arms travel outward to the sides in a sweeping motion, one at a time. This alternating pattern draws attention to each shoulder separately, encouraging an even rhythm between left and right and helping the torso stay quiet rather than rocking with the weights. The shoulder blades guide the motion, promoting smooth control around the upper back area rather than a shrugging action toward the ears.
Because the body stays hinged at the hips throughout the set, the lower back, glutes, and hamstrings work in a strong holding role. They act like a support frame, maintaining a long, aligned spine while the arms move. The result is a controlled, arching path for the dumbbells that highlights the rear of the shoulders and upper back muscles, while the rest of the body stays braced and steady for the duration of the exercise.