Primary
Shoulders
Secondary
Traps, Rhomboids
Equipment
Machine
Difficulty
Beginner
Type
Pull
See how Reverse Pec Deck could fit a workout
The example below shows one possible placement. Your purchased plan is built from your assessment, and Ely checks every exercise before approving it.
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This page is not medical advice or a rehabilitation protocol. Ely's personal review applies to purchased workout plans and does not replace an in-person assessment by a licensed healthcare professional.
The reverse pec deck isolates your rear delts with machine-guided stability, making it one of the easiest ways to train this often-neglected muscle. You sit facing the pad and pull handles backward using only rear delt and upper back muscles. The fixed path removes technique variables that make dumbbell flyes challenging.
When to use it
Use for rear delt isolation for optimal results.
Who it's for
All fitness levels looking to build strength and muscle definition.
Adjust the handles so they start in front of your shoulders, not out to the sides. Pull with your elbows leading, not your hands—imagine driving your elbows backward. Squeeze for a full second at the back before returning; rushing the squeeze is the most common mistake.
Browse all shoulders exercises
Also targets: traps, Back
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Sit facing the pec deck machine.
Grip the handles with your chest against the pad.
Start with arms extended in front.
Pull the handles back by squeezing your rear delts.
Squeeze at the back position.
Return slowly to the start.
Focus on squeezing your rear delts.
Don't use momentum for optimal results.
Adjust the seat height properly.
Keep slight bend in elbows.
Use reverse pec deck to accumulate rear delt volume without technique being a limiting factor. It pairs well with face pulls for complete rear delt development. Position it late in shoulder workouts as finishing work, or use it as a pre-exhaust before rowing movements on back day.
Using too much weight.
Loading more weight than you can control on the Reverse Pec Deck often creates compensations that shift work away from your Rear shoulders. Reduce the load until each rep follows the intended path.
Not squeezing at the back.
Changing your back position during the Reverse Pec Deck can alter the movement and make the load harder to control. Brace your midsection and keep the torso position called for by the exercise.
Leaning back which reduces core engagement.
Changing your back position during the Reverse Pec Deck can alter the movement and make the load harder to control. Brace your midsection and keep the torso position called for by the exercise.
All fitness levels looking to build strength and muscle definition.
These ranges illustrate ways to organize training. They are not an individual prescription. Adjust them for the exercise, your experience, and the rest of your program.
Heavier loads can be useful for developing maximum strength. The range shown is an example, and the load must match your current technique and capacity.
Muscle growth can occur across different loads and repetition ranges. This example is not a uniquely effective zone; your overall program and effort also matter.
This is an example of a longer set. A repetition target alone does not establish joint safety or whether the exercise is appropriate for you.
Example: 3-4 sets of 12-15 reps. Rest 60s.
Background for resistance exercises: the 2026 ACSM position stand covers healthy adults, and a load-comparison review found similar muscle growth across loads in studies using sets taken to muscular failure. These findings do not validate every exercise-specific range shown here or require training to failure.
This is one example of how Reverse Pec Deck could sit inside a complete workout. Your plan may use different movements after Ely checks your assessment.
Sample workout
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Frequently Asked Questions About the Reverse Pec Deck
The Reverse Pec Deck primarily targets the Rear shoulders, making it an effective exercise for shoulders development. Secondary muscles worked during the Reverse Pec Deck include Traps, Rhomboids, providing additional training stimulus. Stabilizer muscles engaged include Core.
Our library labels Reverse Pec Deck as beginner. That category is not an individual assessment. Review the setup, movement instructions, and safety notes, and seek qualified guidance if you are unsure how to perform it.
The programming section shows examples for Reverse Pec Deck. The appropriate amount depends on your current ability, the exercise, and your other training. The listed ranges are not an individual prescription or a guarantee of a particular outcome.
The main equipment listed for Reverse Pec Deck is a machine. Check the instructions for any additional support, anchor, bench, rack, or clear space needed. The equipment label alone does not confirm that your home setup is suitable.
Good alternatives to the Reverse Pec Deck include: Rear Delt Fly, Face Pull. These exercises target similar muscle groups as the Reverse Pec Deck and can be used as substitutes based on your equipment availability, gym setup, or training preferences.