butt-ups
butt-ups — highlighted muscle: abs

Muscles worked

abs, hip flexors, lower back

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butt-ups

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

Secondary muscles

hip flexorslower back

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 by your sides, palms facing down.

  3. 3

    Engaging your abs, lift your legs off the ground, bringing your knees towards your chest.

  4. 4

    At the top of the movement, squeeze your abs and pause for a moment.

  5. 5

    Slowly lower your legs back down to the starting position.

  6. 6

    Repeat for the desired number of repetitions.

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