Rear Delt Exercises: 5 Moves for Bigger Rear Delts | Complete Guide

• #Muscle Growth
• #Shoulders
• #Program Design
• #Progressive Overload

Choose Rear Delt Exercises by Fiber Direction, Muscle Length, Stability, and Progression

The rear delts run from the shoulder blade to the upper arm and mainly contribute to horizontal abduction, or moving the arms out to the sides. They also assist when you pull the upper arms backward in rowing movements, but aggressively squeezing the shoulder blades shifts more work to the traps and rhomboids. Do not judge an exercise solely by how tired your back feels; watch how your upper arms move relative to your torso.

Use 4 criteria to narrow your options. First, the elbows should travel near shoulder height so the movement matches the direction of the rear-delt fibers. Second, resistance should remain present from the arms-in starting position through the outward movement. Third, you should be able to keep your chest and torso stable. Fourth, you should be able to add weight or reps without changing the range of motion. A lengthened muscle position is not necessarily where resistance peaks, so account for cable direction and the effect of gravity on dumbbells.

One acute EMG study in trained men found greater rear-delt activity during lateral raises than during the comparison exercises. However, EMG measures activity in the moment; it does not rank exercises by long-term hypertrophy. It can help identify candidates, but it cannot crown a definitive winner.

1 and 2: Reverse Pec Deck and Single-Arm Cable Fly

1. Reverse Pec Deck

Supporting your chest against the pad makes it easier to repeat the same path with both arms. Instead of pushing with your hands, think about driving your elbows outward to open the handles. Stop just before fully squeezing your shoulder blades together so the exercise does not turn into a contest to contract your back. This is the top choice if you need to relearn the movement, tend to use torso momentum late in a set, or want your rep progression to be easy to track.

2. Single-Arm Cable Rear-Delt Fly

Pull the cable from the opposite side and let your arm cross slightly in front of your body at the start. This helps maintain resistance while the rear delt is lengthened. Hold the upright with your free hand, keep your rib cage from rotating, and open your arm outward while holding your elbow angle nearly constant. Because you can fine-tune the pulley height and your stance, this variation suits lifters who need a shoulder-friendly path or want to address each side separately.

Both exercises make it easy to isolate the target, but displayed weights on machines and pulley ratios vary between facilities. Do not directly compare numbers after switching equipment; track your performance on the same machine and from the same position.

3 and 4: Incline Rear Raise and Chest-Supported Rear-Delt Row

3. Incline-Bench Rear Raise

Lie face down with your chest supported and raise the dumbbells diagonally outward. Start with a bench angle of about 30–45 degrees, then find a position where your shoulders do not roll too far forward at the bottom and your traps do not shrug at the top. It works well when equipment is limited and makes it easy to learn the path with light weights. At the top, think about moving the dumbbells away from each other to distinguish the motion from squeezing your shoulder blades together.

4. Chest-Supported Rear-Delt Row

Keep your chest on the bench and row with your elbows 60–90 degrees away from your torso. Because your elbows bend more than they do during a fly, you can handle heavier loads and use this as a primary exercise for building mechanical tension in the rear delts. Pulling your elbows toward your waist shifts the emphasis to the lats, while strongly retracting your shoulder blades shifts it toward the upper back. Standardize how far your upper arms move outward, not the direction of your forearms.

Use the rear raise to practice the movement path through a longer range of motion, and use the rear-delt row to progress the load. That keeps their roles distinct. If rear-delt flies keep shifting into your back, review how to correct your shoulder-blade and elbow path before adding more exercises.

5: Face Pulls Train the Entire Shoulder Complex, Not Just the Rear Delts

Face pulls combine horizontal abduction with external rotation as you pull the rope toward your face and separate its ends. This works the rear delts along with the traps and external rotators of the shoulder. Instead of treating it as your heaviest rear-delt isolation exercise, use it as an accessory that trains the shoulder complex through multiple actions.

Set the pulley between eye and forehead height, then pull the ends of the rope outside your ears. Do not arch your lower back and use body weight to move the load. Choose a weight that lets your forearms remain reasonably aligned with the cable. This variation suits people whose shoulders tend to round forward from pressing or desk work and who want to keep some external-rotation work in their week. If pain or catching at the front of your shoulder does not resolve after adjusting your form, stop loading the movement and consult a professional.

A strong pump from face pulls cannot by itself confirm rear-delt growth. When prioritizing the rear delts, make either a stable exercise or a free-weight exercise your primary movement and treat face pulls as an additional exercise with a different role.

Choose 2 of the 5 Exercises and Train Different Loading Demands on Separate Days

A good starting setup is 3 sets of 8–15 reverse pec deck reps on your shoulder or push day, then 3 sets of 10–20 chest-supported rear-delt row reps on your back or pull day. If you already do plenty of rows and pull-ups, replace the second exercise with a single-arm cable fly to reduce upper-back fatigue. Start with around 6 direct sets per week, account for overlap with your existing complete shoulder workout, then adjust from there.

Keep each set at RIR 1–3, meaning 1–3 reps in reserve, and stop when you can no longer maintain the intended path. Even with light exercises, there is no need to rush toward failure and add momentum. Once you reach the top of the rep range on every set with the same setup, increase the load by the smallest available increment. If your range of motion shortens, return to the previous weight. Progressing reps as well as weight is a practical way to apply progressive overload.

If neither reps nor load improves after 4–6 weeks and your back or arms consistently fail before the rear delts, change the exercise before adding sets. If your numbers are improving and you can also see changes in circumference or photos taken under the same conditions, keep the current 2 exercises instead of adding 3 unfamiliar ones.

FAQ

Should I Train Rear Delts on Back Day or Shoulder Day?

Either works. Heavy rear-delt rows fit naturally on back day, while flies and raises are easy to place on shoulder day. If rear delts are a priority, move them earlier in the session when fatigue is lower instead of leaving them until the end.

Are High Reps Enough for Rear Delt Exercises?

You do not have to train them exclusively with high reps. Moderate rep ranges can also drive growth if you maintain the intended path. Because weight increments are often relatively large for a small muscle group, it is usually easier to add reps first and increase the load after reaching the top of the range.

Should I Change Exercises if I Cannot Feel My Rear Delts Working?

Do not switch immediately based on sensation alone. Check your elbow path, shoulder-blade movement, and use of momentum first. If another muscle still fatigues first and your performance does not improve under the same conditions for several weeks, that is a good reason to switch to a more stable exercise.

Key takeaways

• Choose rear-delt exercises by fiber direction, muscle length, stability, and progression
• Choose 1 exercise from each category to combine stability with progressive loading
• Face pulls work better as a shoulder accessory than a strict rear-delt isolation exercise
• Start with around 6 weekly sets and judge results by progress made with a consistent movement path

References

1. Different Shoulder Exercises Affect the Activation of Deltoid Portions
2. Low- vs High-load Resistance Training for Strength and Hypertrophy: Meta-analysis