Single Arm Resistance Band Chest Flye — how to, muscles worked, alternatives

How to do the Single Arm Resistance Band Chest Flye

Stand side-on to the anchor, handle in the near hand.
Start with your arm out to the side, elbow slightly bent.
Sweep the handle across your chest to the opposite shoulder.
Return slowly along the same arc, feeling a stretch across your chest.
Finish all reps on one side, then switch arms.

Full technique — 7 steps

Anchor the band to a rack upright at chest height and take the handle in the hand nearest the anchor.
Stand side-on to the anchor with feet about hip-width apart, far enough out that the band is taut.
Start with the working arm out to the side at shoulder height and a slight bend in your elbow.
Rest your other hand on your stomach and keep your torso facing forward.
Sweep the handle across the front of your chest in a wide arc until your hand is in front of the opposite shoulder.
Return along the same arc until you feel a stretch across the chest.
Complete all reps on one side, then switch arms.

Common mistakes

Turning it into a press
Bending and straightening the elbows
Rotating the torso to move the band
Shrugging shoulders during the sweep
Letting shoulders roll forward

Form cues

Slight elbow bend, fixed angle
Hug in a wide arc
Match the same arc
Keep shoulders down
Keep torso facing forward

Substitutes by equipment

Same muscles, same movement — pick the version you have the gear for.

Where to start and where to go next

Same muscles, same movement. Too hard for now — step down; once it gets easy — step up.

Easier Lying Svend Press Beginner
This exercise Single Arm Resistance Band Chest Flye Beginner
Harder Incline Resistance Band Flye Beginner
Harder Single Arm Kettlebell Flye Intermediate

Too hard for now? Start with the Lying Svend Press.

Quick answers

What muscles does the Single Arm Resistance Band Chest Flye work?

Primary: Mid chest 9/10, Upper chest 7/10. Also works: Front delts 6/10, Biceps 3/10, Rotator Cuff 3/10.

When should I do the Single Arm Resistance Band Chest Flye in a workout?

Finisher. Goes last, once the heavy work is done. ≈ 7 min with rest.

How many sets and reps of the Single Arm Resistance Band Chest Flye?

Strength: 3 sets of 8–10 reps, rest 1 min, 2–3 reps in reserve. Muscle growth: 3–4 sets of 10–15 reps, rest 45 s, 2–3 reps in reserve. Endurance: 2–3 sets of 15–20 reps, rest 30 s, 3–4 reps in reserve.

What can I do instead of the Single Arm Resistance Band Chest Flye?

Dumbbells: Dumbbell Floor Flye, Stability Ball Dumbbell Flye. Cable machine: Lying Cable Flye, Mid Cable Flye. No equipment: Standing Bodyweight Flye. Weight plates: Incline Svend Press.