Cable One Arm Incline Fly on Exercise Ball
- Músculo objetivo
- Pectoralis Major Clavicular Head
- Músculos sinergistas
- Biceps Brachii, Deltoid Anterior
- Equipamiento
- Cable
- Parte del cuerpo
- Chest
- Tipo
- Strength
The cable one arm incline fly on an exercise ball is a single-arm isolation move that targets the upper chest (pectoralis major, clavicular head), with the front deltoid and biceps assisting. The reclined position on the ball biases the upper fibers, while constant cable tension and the unstable base build chest detail and core stability one side at a time.
Cómo hacer el Cable One Arm Incline Fly on Exercise Ball
- 1Set a single cable pulley to its lowest position and attach a single handle.
- 2Sit on an exercise ball and walk your feet forward until your upper back rests on the ball in a stable incline, hips slightly below shoulder height.
- 3Grip the handle in the working hand with a neutral or slightly palm-up grip, and let the arm extend down and out to the side with a soft bend in the elbow.
- 4Brace your core, set your shoulder blade down and back, and keep your chest lifted to anchor the working side.
- 5Sweep the handle up and across your body in a wide arc until your hand is above the centre of your chest, squeezing the upper pec at the top.
- 6Keep the elbow angle fixed throughout so you hinge at the shoulder, not the elbow.
- 7Lower the handle under control along the same arc until you feel a stretch across the upper chest, without letting the shoulder roll forward.
- 8Complete all reps on one side, then switch the handle to the other hand and repeat.
Consejos de técnica
- Lead with the upper chest, not the front shoulder, by keeping your chest lifted and shoulder blade pinned back through the full arc.
- Keep the elbow bend fixed so the movement stays a fly (a wide arc) rather than turning into a press.
- Move at a controlled tempo and pause briefly at the top to maximise tension on the upper pec.
- Set your feet wide and brace your core to keep the exercise ball steady so you can focus on the working arm.
- Match reps and load on both sides to correct left-to-right strength imbalances.
Errores comunes
- Bending and straightening the elbow to press the weight up, which shifts work to the triceps and shoulders instead of isolating the upper chest.
- Letting the shoulder roll forward at the bottom, which strains the shoulder joint and takes tension off the pec.
- Using too much weight so the torso twists toward the cable, which cheats the rep and destabilises you on the ball.
- Rushing the lowering phase, which skips the stretch where the upper chest does much of its work.
- Letting the ball roll or your hips sag, which breaks your base and turns the set into a balancing act rather than a chest exercise.
Preguntas frecuentes
What muscles does the cable one arm incline fly on an exercise ball work?
It primarily works the upper chest (pectoralis major, clavicular head), with the front deltoid and biceps brachii assisting. The exercise ball also recruits your core to stay stable.
Why use an exercise ball instead of an incline bench?
The ball gives you an adjustable incline that biases the upper chest while forcing your core and stabilisers to keep you balanced. A bench is more stable and lets you focus purely on the chest if balance is a problem.
Why do this fly one arm at a time?
Training one arm at a time lets each side of the upper chest work through a full range without the stronger side taking over, which helps even out left-to-right strength imbalances.
How many sets and reps should I do?
As an isolation move, 2-4 sets of 10-15 reps per arm with a controlled tempo works well. Use a weight you can move through a full arc without twisting your torso.
Is this a good exercise for beginners?
It can be, but the unstable ball makes it harder to control. Beginners should start light, master the arc and core bracing, or use an incline bench until balance and form are solid.
