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Stability Ball Half Moon

Beginner
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Seated stability ball lateral bend stretch that targets obliques and lats to enhance torso flexibility and spinal mobility; hold for 15-30 seconds per side.

About Exercise

Equipment

Stability Ball

Difficulty

1/5 • Beginner

Primary Muscle Groups

Obliques, Lats

Secondary Muscles

Lower Back, Abs

Accessory Muscles

Shoulders

Popularity Score

4

Goals

Mobility
Stability

Training Style

Yoga
Mobility Flow

Setup Requirements

Requires Rack

No

Requires Bench

No

Requires Spotter

No

Space Needed

Small

Noise Level

Low

Muscle Breakdown

Obliques

10/10

External Obliques, Internal Obliques

Lats

8/10

Teres Major

Lower Back

4/10

Erector Spinae

Abs

3/10

Rectus Abdominis

Shoulders

2/10

Anterior Delts

Programming

Typical Rep Range

3-5 reps

Rest Between Sets

10-30 seconds

How to Perform

Sit upright on a stability ball with feet flat on the floor hip-width apart and core lightly engaged. Raise both arms overhead with palms facing or clasped together.

  1. Bend upper body slowly to one side while keeping hips stable.
  2. Reach arms overhead to deepen the stretch along the opposite side.
  3. Hold the position feeling the stretch from hip to armpit.
  4. Breathe deeply and maintain control.
  5. Return to center upright position slowly.
  6. Repeat on the opposite side.

Coaching Tips

Form Cues

  • Sit tall
  • Engage core lightly
  • Bend from the side
  • Reach tall overhead
  • Keep hips stable

Breathing

Inhale to prepare, exhale as you bend into the stretch, and continue deep breathing while holding.

Tempo

2-0-2

Range of Motion

Bend laterally until a gentle stretch is felt along the side body, keeping spine long without rounding or forcing beyond comfort.

Safety

Safety Notes

  • Avoid if acute back pain exists
  • Use proper ball size for 90-degree knee angle
  • Do not bounce or use momentum
  • Stop if dizziness or pain occurs
  • Consult professional with injuries

Spotting

Not required; self-supported stretch with focus on control.

Common Mistakes

  • Jerky or fast movements
  • Over-arching lower back
  • Forcing the bend too far
  • Lifting hips off the ball
  • Neglecting the opposite side

When to Avoid

  • Acute lower back pain
  • Recent spinal injury
  • Severe balance issues

Flexibility Needed

  • Adequate hip and ankle flexibility to sit on ball

Build Up First

  • Basic core awareness
  • Proper sitting posture

Also known as

Stability Ball Side Bend, Swiss Ball Half Moon Stretch, Exercise Ball Lateral Stretch

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