ex_JKYYAQ

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Back · Stability Ball

Back Extension on Exercise Ball

intermediatestrengthMale & female model

Back Extension on Exercise Ball is an intermediate isolation strength exercise that works the spine (back), with the hamstrings assisting. It needs a stability ball. A typical prescription is 3 sets of 10-15 reps, and it burns about 5.5 calories per minute.

Target
Spine
Body part
Back
Equipment
Stability Ball
Category
Strength
Mechanic
Isolation
Force
Pull
Sets × reps
3 × 10-15
Calories / min
≈ 5.5 kcal

Primary muscles

  • Lower Back · erector spinae
  • Glutes · gluteus maximus, gluteus mideus

Secondary muscles

  • Hamstrings · biceps femoris, semitendinosus, semimembranosus

How to do Back Extension on Exercise Ball

  1. Position your lower abdomen, face down on an exercise ball , with your feet planted firmly on the floor and your legs extended straight.
  2. Place your hands lightly behind your head or cross them over your chest.
  3. Bend at the waist to lower your upper body over the exercise ball, keeping your back straight.
  4. Engage your lower back and glutes to lift your upper body back to the starting position, extending your back fully.

Form tips

  • Maintain a stable position by keeping your feet firmly planted on the floor.
  • Avoid rounding your back; keep it straight to ensure proper form and prevent injury.
  • Focus on engaging your lower back muscles to lift your torso, not your neck or arms.

Back Extension on Exercise Ball alternatives

More spine exercises

Back Extension on Exercise Ball FAQ

What muscles does Back Extension on Exercise Ball work?

Back Extension on Exercise Ball mainly works the spine in the back (erector spinae, gluteus maximus and gluteus mideus). The hamstrings work as secondary muscles.

What equipment do you need for Back Extension on Exercise Ball?

You need a stability ball.

How many sets and reps of Back Extension on Exercise Ball should I do?

Start with 3 sets of 10-15 reps. Pick a load or variation where the last one or two reps are hard but your form stays clean.

Is Back Extension on Exercise Ball good for beginners?

It's rated intermediate. Beginners can work up to it once they control simpler back exercises.

How many calories does Back Extension on Exercise Ball burn?

About 5.5 calories per minute for a person of around 70 kg, based on a MET value of 4.5. Ten minutes of work is roughly 55 calories; heavier people burn more.

What is a good alternative to Back Extension on Exercise Ball?

Other exercises for the spine include Back Extension Machine, Lying Back Extension, Weighted Back Extensions on Hyperextension Bench and Bodyweight Standing Back Stretch.

For developers

Use Back Extension on Exercise Ball in your app

Get this exercise and 1,900+ others from the WorkoutX API: 720p MP4 animations at 30 fps without the watermark, male and female models, muscles, instructions and form tips in 7 languages.

# One request returns the exercise and its 720p media links
curl "https://api.workoutxapp.com/v2/exercises/ex_JKYYAQ" \
  -H "X-WorkoutX-Key: YOUR_API_KEY"

{
  "id": "ex_JKYYAQ",
  "name": "Back Extension on Exercise Ball",
  "model": "male",
  "counterpartId": "ex_6IACDC",
  "target": "Spine",
  "equipment": "Stability Ball",
  "media": {
    "mp4": "https://…/ex_JKYYAQ/mp4-720.mp4?…",
    "poster": "https://…/ex_JKYYAQ/poster.jpg?…"
  }
}