dumbbell one arm fly on exercise ball

A chest exercise targeting the pectorals, performed with dumbbell.

dumbbell one arm fly on exercise ball demonstration
dumbbell one arm fly on exercise ball — demonstration

Body part

Chest

Equipment

Dumbbell

Target muscles

Pectorals

Secondary muscles

Shoulders, Triceps

How to do dumbbell one arm fly on exercise ball

  1. Sit on an exercise ball with a dumbbell in one hand and your feet flat on the ground.

  2. Walk your feet forward and roll your body down until your upper back is resting on the exercise ball.

  3. Extend your arm with the dumbbell straight up above your chest, palm facing inwards.

  4. Slowly lower the dumbbell out to the side, keeping a slight bend in your elbow.

  5. Pause for a moment, then squeeze your chest muscles to bring the dumbbell back to the starting position.

  6. Repeat for the desired number of repetitions, then switch arms.

Muscles worked

Primary (target)

Pectorals

Secondary

ShouldersTriceps

Related exercises

All chest exercises →

Track dumbbell one arm fly on exercise ball in NutriMind

Log your sets and the app does the rest — automatic PR detection, progression charts for every lift, and progressive overload that adjusts your next workout. Paired with AI nutrition coaching so your training and your plate pull in the same direction.

Planning your next heavy session? Estimate your max with the One Rep Max Calculator and build up to it with the Warm-up Calculator. More free tools →