Cable Rear Delt Fly
A beginner isolation movement that trains the shoulders with a cable machine.
Force Type
Pull
isolation
Difficulty
Beginner
isolation
Variations
0
equipment swaps
Muscles
1
primary + secondary
The verdict
Cable Rear Delt Fly has 4-step instructions, documented to a similar depth as most of the 127 shoulders exercises PlainExercise catalogues.
Ranked against the 127 shoulders exercises PlainExercise currently catalogues, not the full exercise-science literature.
Catalog lens
Two ways this record sits in the source corpus
These are placement measures for the documented record, not a score for exercise quality, safety, or suitability.
Instruction steps
#405 of 868
4 numbered source steps; the longest instruction list ranks #1.
Instruction text
#609 of 868
A separate character-length placement prevents step count from standing in for explanatory detail.
Cable Rear Delt Fly is a beginner isolation movement that trains the Shoulders. It requires a cable machine. There are 0 known variations and 8 peer exercises that target the same primary muscle.
- 1 of 9 exercises targeting the Shoulders
- Level: beginner
PlainExercise cross-links 0 variations and 8 peer exercises sharing the same primary muscle.
What the Cable Rear Delt Fly Data Reveals · DOC · PULL/ISOLATION
Cable Rear Delt Fly opens on mechanic class: ISOLATION pull work for shoulders with 0 catalogued assistants, joint involvement separates this page from isolation peers.
4 steps land in the middle third (4–5) of the catalogue, enough detail to compare form without the longest upstream essays.
Cable Rear Delt Fly is classified as a beginner-level isolation movement with a pull force profile, primarily training the Shoulders. The canonical form requires a cable machine in the strength category. Within the shoulders cohort, 9 catalogued movements share the primary target; no alternate-equipment variations are catalogued yet.
Context matters: taxonomy (level, mechanic, force, musculature, equipment) does not account for individual biomechanics, joint history, or recovery. Common-mistake framing below is derived from classification fields, not case-specific coaching. Not medical or personal-training advice. Consult a physician or certified trainer before starting, especially with injuries, cardiovascular conditions, recent surgery, or pregnancy.
Exercise profile
| Attribute | Value |
|---|---|
| Difficulty | beginner |
| Mechanic | isolation |
| Force | pull |
| Equipment | cable |
| Category | strength |
| Primary muscle | Shoulders |
| Secondary muscles | 0 |
| Variations available | 0 |
Source: Free Exercise DB (CC0); profile derived per exercise record.
Cable Rear Delt Fly catalog footprint
Among 127 exercises whose primary muscle is shoulders, Cable Rear Delt Fly ranks #43 by catalogued variation count (0 listed heres). The upstream file attaches 2 images to this slug. See the step-count ranking for shoulders for peer documentation depth.
Muscles worked
According to the Free Exercise DB classification, Cable Rear Delt Fly trains the shoulders as the prime mover and no catalogued secondary muscles. The source classifies muscles as primary or secondary, it does not measure activation, so we show involvement, not percentages.
Source: Free Exercise DB primary/secondary muscle classification. Involvement, not measured activation, actual recruitment varies by load and form.
Intensity context
For reference, here is where common activities sit on the MET intensity scale. Cable Rear Delt Fly does not have a measured MET in the source data, its intensity depends on the load and effort you use. Estimate calories for any activity with the calorie calculator.
MET values from the Compendium of Physical Activities (Ainsworth et al., 2011). A general reference scale, not a rating of this specific movement.
How to do it
- Adjust the pulleys to the appropriate height and adjust the weight. The pulleys should be above your head.
- Grab the left pulley with your right hand and the right pulley with your left hand, crossing them in front of you. This will be your starting position.
- Initiate the movement by moving your arms back and outward, keeping your arms straight as you execute the movement.
- Pause at the end of the motion before returning the handles to the start position.
Common mistakes
- Rushing through reps before the pattern is grooved - at this stage, a slow, controlled tempo (2-3s down, 1-2s up) on Cable Rear Delt Fly teaches the nervous system the movement far faster than speed does.
- Cutting the range of motion short - moving the shoulders through its full safe range on Cable Rear Delt Fly is what most reliably separates effective reps from wasted ones.
- Using momentum instead of muscle, isolation movements like Cable Rear Delt Fly reward strict form. If you're swinging the weight, it's too heavy.
- Shrugging the shoulders up toward the ears on pull movements, keep shoulder blades down and back to load the correct muscles.
- Breathing out of sync with the lift on Cable Rear Delt Fly - brace and inhale during the lowering phase, exhale on the exertion, especially important with a cable machine where control matters most.
Who this is for
- People new to resistance training who want to build a foundation in the movement pattern
- People who want to train the Shoulders
- People who have access to a cable machine
Who this is NOT for
- People hunting equipment swaps, PlainExercise lists 0 catalogued variations for Cable Rear Delt Fly; browse 8 peer shoulders exercises for alternate patterns instead.
- Anyone with acute pain in the joints or muscles involved, pain is a stop signal, not a soreness signal
- People with unresolved injuries in the loaded joints, seek clearance from a physical therapist first
- Anyone with a recent surgery, cardiovascular limitation, or pregnancy complication without physician clearance
Progression path
Once Cable Rear Delt Fly feels comfortable with your current load, progress by (a) adding reps until you can complete 12+ per set, (b) increasing resistance by 2.5-5%, (c) moving to harder variations such as single-limb or longer lever versions, and eventually (d) stepping up to intermediate-level movements that train the same muscle.
See the Progression guide for a full framework on when to advance, and the Compound vs Isolation guide to decide when to prioritize this movement in your program.
Safety notes · CABLE · PULL/ISOLATION · FLOOR
- On PULL/ISOLATION shoulders work, warm up 5–10 minutes before loading Cable Rear Delt Fly; keep first sets light until the path feels automatic.
- Sharp or joint pain is a stop signal. Muscle soreness during sets is normal; pain is not.
- Beginners on CABLE gear: cut volume before cutting form, drop a set rather than rush reps.
- General information only. Consult a physician or certified trainer before starting any new exercise program.
Nationwide exercises with similar documentation depth
Two Free Exercise DB peer sets for Cable Rear Delt Fly, drawn across all muscles (not the shoulders-only related list below). Each metric produces a different neighborhood.
Similar instruction step count
Nearest catalog records by numbered steps (4 here).
Similar instruction text length
Nearest catalog records by upstream instruction characters (467 here).
Related exercises
Other exercises that target the Shoulders.
See all Shoulders exercises.
Using the cable rear delt fly
A beginner isolation movement for the shoulders - here's how to put it to work.
- Train the shoulders 2–3 times a week with 48+ hours between hard sets; pair this with other shoulders movements for balanced development. All shoulders exercises
- Match the load and rep range to your goal, strength, size, or endurance each call for a different scheme. Strength vs hypertrophy
- As an isolation movement, use it to target the shoulders directly after your compound lifts. Compound vs isolation
Form before load. If a movement causes sharp or joint pain, stop and substitute a safer alternative, this is general information, not medical or training advice.