absbody weight
butt-ups
butt-ups is a common strength training exercise. Below are form tips, steps, and demos.
Steps
Step 1. Lie flat on your back with your knees bent and feet flat on the ground.
Step 2. Place your hands by your sides, palms facing down.
Step 3. Engaging your abs, lift your legs off the ground, bringing your knees towards your chest.
Step 4. At the top of the movement, squeeze your abs and pause for a moment.
Step 5. Slowly lower your legs back down to the starting position.
Muscles & body parts
Primary muscles
abs
Secondary muscles
hip flexorslower back
Primary body parts
core
Common mistakes & warnings
Form & control
Avoid momentum and excessive swing; keep core stable; match breath to movement; control the eccentric phase.
Control breathing and core; keep a steady tempo.
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