Band External Rotation
rotator cuff
What moves the load, and what it costs
3.5MET
Rotator cuff is the prime mover, with the rear deltoid assisting. The same exercise with a band and a door. This is the single most useful thing most lifters could add to their warm-up.
Cue: Anchor a light band at elbow height and rotate outward with the elbow tight against your ribs.
ஆதாரம்·2024 பெரியவர்களுக்கான உடற்செயல்பாடுகளின் தொகுப்பு·FILED UNDER WEIGHTS, 8–15 REPS·மறுபரிசீலனை ஜூலை 2026
SHARED AXIS · SEVEN VALUES FROM ONE TABLE · HIGHLIGHTED ROW IS THIS MOVEMENT
The compendium files band external rotation under a category, not a lift. Read the ladder as position, not precision: this is heavier work than sitting quietly by a factor of 3.5, and middling for conditioning work.
Turning that MET value into a real energy cost
- Map the movement to a published category. The compendium measures categories of conditioning work, never individual lifts, so band external rotation is filed under Resistance training (weight lifting), multiple exercises, 8–15 repetitions at varied resistance.
- Take the category's MET value — 3.5. One MET is the cost of sitting quietly, so this is 3.5 times resting metabolism.
- Multiply by 3.5 to get millilitres of oxygen per kilogram per minute, the unit the MET is actually defined in.
- Multiply by your bodyweight in kilograms and divide by 200. The result is kilocalories per minute of work.
- Count working minutes only. Under load, not under the roof — a set of eight is about 25 seconds of the hour you were there.
kcal/min = MET × 3.5 × body mass (kg) ÷ 200 Band External Rotation: 3.5 × 3.5 × 70 ÷ 200 = 4.29 kcal/min
ஆதாரம்·ACSM metabolic equation + 2024 Adult Compendium of Physical Activities·REFERENCE BODY MASS 70 KG·மறுபரிசீலனை ஜூலை 2026
What is actually doing the work
| Muscle | Role | What it does here |
|---|---|---|
| Rotator cuffSupraspinatus, infraspinatus, teres minor, subscapularis | Prime mover | Rotates the upper arm and, more importantly, holds the ball of the shoulder centred in the socket while bigger muscles move it. |
| Rear deltoidPosterior deltoid | துணை / நிலைப்படுத்தும் தசை | Draws the upper arm backwards and out (shoulder horizontal abduction and extension). Works with the rhomboids and mid traps on every wide-elbow row. |
The prime mover produces the movement against the resistance; synergists assist and stabilisers hold a joint still without moving it. An exercise trains the whole muscle it loads — there is no way to work only part of a muscle, and no exercise removes fat from the area around it.
Set up, then earn the rep
Resistance band. Every rep should look like the first one. The moment it stops looking like the first one, the set is finished.
PATTERN · PULL
- Anchor a light band at elbow height and stand side-on to it.
- Hold the band in the outside hand with the elbow bent to 90 degrees and tucked against the ribs.
- Anchor a light band at elbow height and rotate outward with the elbow tight against your ribs.
- Rotate the forearm outward against the band, keeping the upper arm still.
- Pause at the end of the range, then return slowly under control.
- Fifteen to twenty reps per side. If you feel it in the shoulder blade rather than the back of the shoulder, tuck the elbow in harder.
Where this one breaks down
Not theory. These are the faults you correct on a gym floor, and the correction that actually works.
Elbows dropping below the hands.
Then it is a row. The upper arms should finish parallel to the floor for the rear delt and external rotators to do the work.
Too much weight.
Face pulls are a high-rep, light, shoulder-health movement. If the trunk is swinging, the point has been lost.
Rushing them.
Two seconds out, two seconds back. This is the one exercise where being boring is the entire benefit.
Regress it, or progress it
Regress — earn it first
Nothing on this site regresses it further: this is already near the entry point of its pattern. Take load off, shorten the range, or slow the tempo — in that order.
Progress — the next demand
This sits at the top of its progression here. Add load, add range, slow the tempo or go single-limb before you go looking for a new exercise.
Prescription: load, reps, rest
Read off the goal, then hold the technique constant as the load climbs. Derived from the movement's mechanics, not invented for this page: a single-joint movement does its best work in moderate to high reps — very low reps load the joint before the muscle.
| Goal | Sets | Reps | ஓய்வு | Notes |
|---|---|---|---|---|
| Strength | 3–4 | 6–10 | 2 நிமிடம் | Single-joint work responds poorly to very low reps — the joint gets the load before the muscle does. |
| Muscle size | 3–4 | 10–15 | 60–90 வினாடி | This is where isolation work earns its place: cheap volume for one muscle, little systemic fatigue. |
| Endurance / fat loss | 2–3 | 15–25 | 30–45 வினாடி | High reps here are genuinely useful — the load is small enough that form survives the fatigue. |
| First month | 2 | 12–15 | 60 sec | Light. Isolation work is for adding volume later, not for building a base. |
Time under load, in kilocalories
Read these as minutes of work, not minutes in the building. A set of eight takes about twenty-five seconds; the rest of the hour is rest, chalk and queueing.
Mapped category: Resistance training (weight lifting), multiple exercises, 8–15 repetitions at varied resistance — 3.5 MET. That is the published category this movement is filed under, not a measurement of this specific lift.
Worked at 3.5 MET × 3.5 × 70 kg ÷ 200 = 4.29 kcal per working minute for a 70 kg adult. Scale it by your own bodyweight; the equation is linear. The full activity dataset lives at BurnLab.
ஆதாரம்·2024 பெரியவர்களுக்கான உடற்செயல்பாடுகளின் தொகுப்பு·CATEGORY VALUE, NOT A PER-EXERCISE MEASUREMENT·மறுபரிசீலனை ஜூலை 2026
If the rack is taken
Substitutes train the same prime mover through the same pattern with different kit. Computed from the muscle and pattern data on this card, not hand-picked to fill a grid.
Where it sits in a week
One movement is not a programme. The twelve templates put these in order, including 6 that need no gym at all.
The questions that come up on the floor
What muscles does the band external rotation work?
Band External Rotation is a single-joint isolation movement in which the rotator cuff is the prime mover, assisted by the rear deltoid. Rotates the upper arm and, more importantly, holds the ball of the shoulder centred in the socket while bigger muscles move it.
Is the band external rotation good for beginners?
ஆம். இந்தத் தளத்தில் தொழில்நுட்பச் சிரமத்திற்கு இதற்கு 5 இல் 1 மதிப்பீடு — பயிற்சியாளர் இல்லாமல் ஒரே அமர்வில் கற்றுக்கொள்ளக்கூடியது. மிகக் குறைந்த நியாயமான சுமையுடனும், 12–15 என இரண்டு அல்லது மூன்று செட்களுடனும் தொடங்குங்கள்.
What can I do instead of the band external rotation at home?
This movement is difficult to reproduce without equipment. Where a bodyweight substitute does not exist, progress by slowing the tempo and using single-limb versions instead of adding load.
How many sets and reps of the band external rotation should I do?
For muscle size, 3–4 sets of 10–15 with 60–90 sec rest. For strength, 3–4 sets of 6–10 with 2 min rest. In your first month, 2 sets of 12–15, stopping well short of failure. Total weekly hard sets per muscle group matters more than the exact rep number in any of these ranges.
Does the band external rotation burn fat from the rotator cuff?
No. No exercise removes fat from the area it trains — spot reduction has been tested repeatedly and does not happen. Training the rotator cuff builds the muscle underneath; where body fat is lost from is decided by an overall calorie deficit and by your genetics, not by which exercise you chose.
Muscle roles follow standard kinesiology references and are described by joint action rather than by gym convention — see how this site is built. Energy figures are derived from the 2024 Adult Compendium of Physical Activities. Every reference is named and dated on the ஆதாரங்கள் page. General information only — not medical or coaching advice. Load, form and progression should be adjusted to your own experience and any injury history. When in doubt, get coached in person.
ஆதாரம்·வெளியிடப்பட்ட உடற்பயிற்சிக் குறிப்புகள்·MUSCLE ROLES ASSIGNED BY JOINT ACTION·மறுபரிசீலனை ஜூலை 2026
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