---
title: "Ball Sit-up"
description: "Sit on an exercise ball with your feet flat on the floor and knees bent at a 90-degree angle."
locale: en
slug: ball-sit-up
url: "https://hi.fitness/exercises/ball-sit-up"
primaryMuscle: "Core"
secondaryMuscles: ["Quads"]
equipment: ["Stability ball"]
category: "Strength"
format: "Reps"
video: "https://hi.fitness/exercise-media/public/video/36213704-ball-sit-up_female.mp4"
updatedAt: 2026-10-20T13:27:27+00:00
---
# Ball Sit-up

Sit on an exercise ball with your feet flat on the floor and knees bent at a 90-degree angle.

## How to do it

1. Sit on an exercise ball with your feet flat on the floor and knees bent at a 90-degree angle.
2. Lean back, rolling the ball under your lower back, and place your hands behind your head or cross them over your chest.
3. Engage your core and lift your upper body upwards until vertical to the floor.
4. Lower your upper body back down to the starting position, repeat.

## Form tips

- Keep your core engaged throughout the exercise to maintain stability and proper form.
- Avoid pulling on your neck with your hands to prevent strain; use your core muscles to lift your body.
- Perform the movement slowly and with control to maximize muscle activation and prevent injury.

## Similar exercises

- [Situps](https://hi.fitness/exercises/situps) - Core · Bodyweight
- [Hanging Knee Raises](https://hi.fitness/exercises/hanging-knee-raises) - Core · Pull-up bar
- [Russian Twist](https://hi.fitness/exercises/russian-twist) - Core · Bodyweight
- [Lying Leg Raise](https://hi.fitness/exercises/lying-leg-raise) - Core · Bodyweight
- [Bicycles](https://hi.fitness/exercises/bicycles) - Core · Bodyweight
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- [Captain's Chair Knee Raise](https://hi.fitness/exercises/captains-chair-leg-raise) - Core · Roman chair