# Cable Standing Reverse Fly (Version 3) - Canonical: https://fitwill.app/exercise/11254/cable-standing-reverse-fly-version-3/ - Media ID: 11254 - Primary muscle: Shoulders - Body part: Shoulders - Equipment: Cable Machine - Video: https://fitwill.app/videos/11254/cable-standing-reverse-fly-version-3.mp4 ## Description The Cable Standing Reverse Fly is a rear-shoulder and upper-back builder performed facing a cable machine set at roughly shoulder height. You stand a step back from the pulley, take the handle or handles with your arms reaching across the front of your body, and sweep them out and back until your arms are wide and roughly in line with your shoulders. The cable provides constant tension through the entire arc, which is something dumbbell reverse flys can't match because gravity only loads the middle portion of that movement. This exercise earns its place in almost any balanced program. Most pressing work — bench press, overhead press, push-ups — hammers the front of the shoulders while the rear delts and the muscles between the shoulder blades get very little direct work. The Cable Standing Reverse Fly flips that ratio. It primarily trains the posterior deltoid, with strong involvement from the rhomboids and mid-traps as the shoulder blades squeeze together at the end of each rep. Setup matters more here than in most pulling movements. The pulley height determines the angle of resistance: set at shoulder height, the cable pulls straight back and slightly across your body, which matches the natural line of the rear delt fibers. Stand far enough from the machine that the cable stays taut even when your hands come together in front of you, and keep a slight bend in the elbows that you hold for the whole set. If you stand too close, tension drops off at the start; too far away, and the start position becomes awkward and unstable. Execution should feel like an opening sweep rather than a pull. Lead with the elbows, keep the shoulders down away from the ears, and think about spreading your arms apart until they're wide, not about dragging the handle toward your torso. Pause briefly when your arms are out to the sides, then resist the cable on the way back in — the lowering or returning phase is where a lot of the work actually happens. You'll see this movement used as a main rear-delt exercise in shoulder sessions, as a supplementary movement on pull days, and as a prehab or posture tool for people who spend long hours at a desk. Because the cable supports the arm throughout the range and the weight can be fine-tuned in small increments, it's approachable for beginners while still offering plenty of room to load for more advanced lifters. Keep the loads modest at first — this is a small muscle group, and the moment your upper traps start shrugging, the rear delts stop doing the job. ## Instructions 1. Set the pulley of the cable machine to about shoulder height and attach a single handle. 2. Stand facing the machine, roughly an arm's length plus a step away, feet about hip-width apart with a soft bend in the knees. 3. Grip the handle with one hand reaching across your body, or take a handle in each hand if using two pulleys, and let your arms extend forward with a slight, fixed bend in the elbows. 4. Brace your core, keep your chest tall, and pull your shoulder blades down so you're not starting with shrugged shoulders. 5. Sweep your arm(s) out and back in a wide arc, leading with the elbows, until your arms are open to the sides at about shoulder height. 6. Squeeze the rear of your shoulders and the muscles between your shoulder blades for a beat at the widest point. 7. Slowly resist the cable and let your arms travel back together in front of your body under control — don't let the stack yank them back. 8. Exhale as you open your arms out, inhale as they return to the start. 9. Complete all reps on one side, then switch hands and match the rep count on the other side if working single-arm. ## Tips & Tricks - If your upper traps burn and your shoulders creep toward your ears, the weight is too heavy or you're initiating with a shrug — lighten the load and consciously press your shoulder blades down before each rep. - Keep the elbow bend identical from start to finish. Straightening the arm mid-rep turns the set into a triceps-assisted swing and leaks tension away from the rear delts. - Don't pull the handle toward your hip or chest. The path is a wide lateral arc — if your hands finish near your torso, you've drifted into a row and changed the muscle emphasis. - A slight forward lean from the hips can help some lifters feel the rear shoulder more, but keep the spine neutral; don't round your lower back to chase extra range. - Use a slow return. Letting the cable snap your arms back to the start is the most common fault on this setup and it cuts the training effect roughly in half. - Your torso should stay square to the machine. Rotating your trunk to help the arm back defeats the purpose — if you need to twist, the resistance is too high. - A thumb-down or neutral hand position both work; experiment with which one gives you the smoothest, most comfortable arc at the shoulder. - Tempo beats load here. A one-second pause at the widest point with a light weight will build the rear delts faster than heavy, bouncy reps. ## Frequently Asked Questions ### What muscles does the Cable Standing Reverse Fly work? The rear deltoid is the prime mover, with the rhomboids and middle trapezius working hard as your shoulder blades retract at the wide point of the arc. The rotator cuff and forearm muscles assist with control of the cable. ### Why is the pulley set at shoulder height for this exercise? A shoulder-height pulley makes the cable pull straight back through the same line the rear delt fibers run, giving even tension from start to finish. A high pulley shifts emphasis downward and a low pulley turns the movement into something closer to a face pull or front raise. ### Is the Cable Standing Reverse Fly good for beginners? Yes. The cable path guides the movement, the increments on the stack are small, and the standing position is easy to stabilize. Beginners should start with a light weight and focus on the wide arc and controlled return rather than load. ### Should I do this exercise one arm at a time or with both arms? Both versions are effective. Single-arm lets you focus on each side and correct left-right differences, while the two-arm version is quicker and slightly easier to keep the torso square. The image shows the arms opening in a wide symmetric sweep, which is the classic two-hand feel. ### How heavy should I go on the Cable Standing Reverse Fly? Choose a load you can move through a full wide arc for 10 to 15 reps without shrugging or swinging. If your shoulders or traps creep upward, or your torso twists, drop the weight by one plate. ### What's the most common mistake on this movement? Turning it into a row — pulling the handle(s) back toward the body instead of sweeping the arms wide. Another frequent fault is letting the cable snap the arms back to the start instead of resisting the return. ### Can I substitute dumbbells if I don't have a cable machine? A bent-over or chest-supported dumbbell reverse fly is the closest substitute. The key difference is that the cable keeps tension when your arms are together in front of you, so pause longer at the top of the dumbbell version to compensate. ### How does this differ from a face pull? A face pull adds external rotation and brings the hands toward the face, loading more of the rotator cuff and mid-back. The Cable Standing Reverse Fly keeps the arms straighter and moves in a pure horizontal arc, which biases the rear deltoid more directly. ### Is it safe for my shoulders? For most people, yes — it's commonly used to balance out pressing volume. Keep the range within a comfortable arc, avoid forcing your arms past shoulder height, and stop if you feel pinching at the front or top of the shoulder.