Exercises · waist

Straight-Leg Up Crunch

A crunch variant with straight legs held vertically to challenge upper abdominals.

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Secondary muscles

obliqueship flexors

How to do it

  1. Lie on back, legs straight up, feet flexed.
  2. Place arms beside you or hands behind head.
  3. Engage core, lift head and shoulders toward legs.
  4. Pause at top, exhale.
  5. Lower down with control.

Form cues

  • Chin tucked
  • Reach toward ceiling
  • Don't strain neck
  • Slow movement

Common mistakes

  • Jerking up
  • Using momentum
  • Flaring elbows

Breathing

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

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