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Exercise library · Abs

Crunch (Straight Leg Up)

The Crunch (Straight Leg Up) is a bodyweight exercise that targets the abs, with the core assisting. Follow the 6 steps below and watch the demo to check your form.

Target muscles
Abs
Also works
Core
Equipment
Bodyweight
Body part
Waist

Step by step

  1. Lie on your back and extend one or both legs straight up toward the ceiling.
  2. Keep your arms across your chest or lightly behind your head with elbows wide.
  3. Engage your core and lift your shoulders off the floor, reaching your chest toward your raised legs.
  4. Pause briefly at the top while squeezing your abs.
  5. Lower your upper body back down in a slow, controlled motion.
  6. Repeat for the desired number of repetitions while keeping your legs straight and stable.

Related exercises

One of 800 exercises in Bravel

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