Cable Seated Rear Lateral Raise

delts shoulders cable

Learn how to do the Cable Seated Rear Lateral Raise with proper form and technique. This cable exercise primarily targets your Delts, with secondary emphasis on Traps, Rhomboids.

Cable Seated Rear Lateral Raise exercise demonstration showing proper form

How to Do the Cable Seated Rear Lateral Raise

Follow these steps to perform the Cable Seated Rear Lateral Raise with correct form:

1Sit on a bench facing the cable machine with your feet flat on the ground.
2Grasp the cable handles with an overhand grip and extend your arms straight in front of you.
3Keeping your arms straight, slowly raise them out to the sides until they are parallel to the floor.
4Pause for a moment at the top, then slowly lower your arms back to the starting position.
5Repeat for the desired number of repetitions.

Cable Seated Rear Lateral Raise Muscles Worked

Primary

delts

Secondary

trapsrhomboids

Exercise Details

Equipment: cable
Body Part: shoulders
Category: Extended

Muscles & Anatomy

The seated cable rear lateral raise isolates the posterior deltoid and middle trapezius with minimal contribution from other muscle groups. The seated position locks the torso in place and makes momentum-assisted cheating nearly impossible. The cable provides constant tension throughout the range of motion — from the stretched position (arm across the body) to the contracted position (arm level with the shoulder) — which is a significant advantage over dumbbell raises where resistance effectively disappears at the bottom. The rear deltoid is responsible for horizontal abduction and external rotation of the shoulder joint. Most people's rear delts are significantly underdeveloped compared to their anterior deltoids from years of pressing, making this targeted isolation movement an important corrective exercise for shoulder balance and health.

Pro Tips for Better Results

1Sit sideways to the cable stack and reach across your body to grasp the handle with the far hand. This cross-body setup places the rear delt in a pre-stretched position at the start and creates a longer, more complete range of motion compared to a direct inline setup.
2Keep your elbow slightly bent and fixed — don't straighten or bend it during the set. A small, consistent bend protects the elbow joint and keeps the lever arm constant. The moment you start bending the elbow to complete the range of motion, you've turned this into a partial row.
3Pause for a full second at the top of the range of motion with your arm level with the shoulder. The rear delt is fully shortened here and the pause prevents momentum from carrying the arm through without genuine muscular effort.

Common Mistakes to Avoid

✗ Rotating the torso to assist the raise

Fix: Any rotation of the upper body toward the direction of the raise reduces the load on the rear delt by letting the larger rotator muscles of the back assist. Sit with your chest square and locked forward. Only the arm should move — think of your torso as a statue for the duration of each set.

✗ Raising the arm too high above shoulder level

Fix: Lifting beyond shoulder height recruits the upper trapezius and moves the workload off the rear delt. Stop when the arm reaches shoulder height or just slightly above. The rear delt's effective range is roughly from in front of the body to parallel with the shoulder — anything beyond that is upper trap territory.

✗ Using too much weight and letting the elbow lead

Fix: Heavy weights cause the elbow to bend and the movement to become a partial single-arm rear delt row rather than a lateral raise. Use light enough weight that the arm can travel in a clean arc with a fixed, slightly bent elbow. Rear delt raises should always feel light relative to your other exercises.

✗ Setting the cable anchor too high

Fix: A cable anchor set at or above shoulder height reverses the resistance curve and makes the movement feel easy at the peak when it should be hardest. Set the cable pulley at or near floor level so resistance is greatest at shoulder height — the position of maximum rear delt shortening.

How to Program the Cable Seated Rear Lateral Raise

Sets & Reps

3–4 sets of 15–20 reps. The rear deltoid is a small, predominantly slow-twitch muscle that responds better to higher reps and controlled tempo than to heavy loading. Reps below 12 on this exercise usually indicate too much weight is being used and form is compromised. Focus on burn and pump rather than load.

Frequency

2–3 times per week. Because rear delt raises are low-systemic-fatigue movements, they recover quickly and can be trained more frequently than compound exercises. Including them in both push and pull sessions is common — they serve as both a prehab movement and a physique-focused isolation exercise.

Where to Place It in Your Workout

Place at the end of shoulder or back days as a finisher. The seated cable rear lateral raise works well as a superset partner with front raises or lateral raises for a complete deltoid circuit. It can also be used as a warm-up to activate the posterior capsule before heavy pressing.

How to Progress

Rear delt raises are not an exercise where progressive overload in the traditional sense drives results — form breakdown happens too easily. Instead, progress by adding reps, reducing rest, and improving the quality of the peak contraction. Only increase weight when you can maintain a 2-second eccentric and a 1-second hold at the top across all sets.

Variations & Alternatives

Dumbbell Bent-Over Rear Delt Raise

Performed standing bent-over at roughly 45–90 degrees with dumbbells hanging below the chest. The classic version of the rear lateral raise. Lacks constant cable tension but allows both arms to be trained simultaneously. Works best for trainees who prefer free weights or don't have cable access.

Machine Rear Delt Fly

Performed on a pec deck machine facing the pad. The fixed path of the machine handles provides stability and consistent resistance. Allows focus on the contraction and stretch without worrying about balance or handle control. One of the most beginner-friendly rear delt isolation options.

Band Pull-Apart

Hold a resistance band at chest height and pull it apart until arms are fully extended to the sides. Simple, low-tech, and highly effective for rear delts and middle trapezius activation. Can be done anywhere for high-rep prehab work. The resistance band's ascending tension curve provides extra load at the top.

Related Exercises

Frequently Asked Questions

What muscles does the Cable Seated Rear Lateral Raise work?

The Cable Seated Rear Lateral Raise primarily targets your Delts. Secondary muscles worked include Traps, Rhomboids. This makes it an effective exercise for developing your shoulders.

What equipment do I need for the Cable Seated Rear Lateral Raise?

The Cable Seated Rear Lateral Raise requires cable. Make sure your equipment is properly set up and you have enough space to perform the movement with full range of motion.

How do I perform the Cable Seated Rear Lateral Raise with proper form?

Start by sit on a bench facing the cable machine with your feet flat on the ground.. Grasp the cable handles with an overhand grip and extend your arms straight in front of you. Keeping your arms straight, slowly raise them out to the sides until they are parallel to the floor. Focus on controlled movement throughout the entire range of motion. See the full step-by-step instructions above for complete form guidance.

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