Exercises · waist

Stability Ball Leg Elevated Crunch

A crunch variation where the legs rest on a stability ball, increasing core engagement and instability.

waistrectus abdominisstability ballintermediateisolation

Secondary muscles

obliqueship flexors

How to do it

  1. Place stability ball in front of you and sit down.
  2. Lie back and position your calves and feet on top of the ball with knees bent.
  3. Place your hands lightly behind your head or crossed on your chest.
  4. Engage your core and curl your upper body toward your knees.
  5. Pause briefly at the top, then lower back down without losing control.

Form cues

  • Keep lower back pressed to floor
  • Do not pull with your neck
  • Control the movement
  • Exhale on lift

Common mistakes

  • Using momentum instead of muscle
  • Straining the neck
  • Letting the ball roll away
  • Arching the lower back

Breathing

Exhale as you crunch up, inhale as you lower down.

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