crunch floor
crunch floor — highlighted muscle: abs

Muscles worked

abs, hip flexors

Watch a demonstration

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crunch floor

Body part
waist
Equipment
body weight
Target muscle
abs
Muscle group
hip flexors

Secondary muscles

hip flexors

How to perform it

  1. 1

    Lie flat on your back with your knees bent and feet flat on the ground.

  2. 2

    Place your hands behind your head with your elbows pointing outwards.

  3. 3

    Engage your abs and lift your shoulders off the ground, curling forward towards your knees.

  4. 4

    Pause for a moment at the top, then slowly lower your shoulders back down to the starting position.

  5. 5

    Repeat for the desired number of repetitions.

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