Abs · Body weight · Intermediate
How to do Bottoms-up
The bottoms-up exercise is a bodyweight movement targeting the abdominal muscles. It involves lying on your back, bringing your knees toward your chest, and lifting your hips off the ground to engage your core.

- Primary muscle
- Abs
- Also works
- Obliques and Hip flexors
- Equipment
- Body weight
- Level
- Intermediate
- Category
- Abs
How to do Bottoms-up, step by step
- Lie flat on your back with your legs extended and your arms by your sides.
- Bend your knees and bring them towards your chest, keeping your feet off the ground.
- Engaging your abs, lift your hips off the ground, bringing your knees towards your head.
- Pause for a moment at the top, then slowly lower your hips back down to the starting position.
- Repeat for the desired number of repetitions.
Muscles worked
Bottoms-up works your abs as the main mover, with help from your obliques and hip flexors.
Track Bottoms-up in SPLYT
Bottoms-up is already in SPLYT’s exercise library. Log your sets, reps and weight on iPhone or Apple Watch, with last time’s weights already filled in.













