Rear Delt Fly

Rear Delt Fly is one of the top shoulders exercises using dumbbells. Full breakdown of proper form, common mistakes and FAQs.

How to perform it

• Start with the lightest weight that lets you execute perfectly.
• Perform rear delt fly with slow, controlled motion — no swinging, no cheating.
• Squeeze the target muscle at the peak for 1 second — lighter weights grow better here.
• Lower slowly to full stretch, then repeat — 12–15 reps × 3 sets.

Tips

• Light and correct beats heavy and sloppy on isolation.
• Watch in the mirror to confirm you're not using momentum.

Common mistakes

• Going too heavy recruits the whole body instead of the target.
• Using momentum defeats the point of an isolation exercise.

How many sets and reps of Rear Delt Fly should I do?

3 sets × 12 reps, 2–3x per week is enough to start.

Is Rear Delt Fly good for beginners?

Yes — Rear Delt Fly is one of the best beginner exercises. Start light and prioritize form.

What are the best alternatives to Rear Delt Fly?

It depends on your equipment. Similar tools (dumbbells for barbell, machines for free weights) provide comparable stimulus. See the "Related exercises" section on this page.

Can I do Rear Delt Fly every day?

Not recommended for lifting — muscles need 48 hours to recover. 3–4x/week is optimal. Light cardio can be daily.

How many calories does Rear Delt Fly burn per minute?

Roughly 6–9 kcal/minute depending on your weight and intensity.