Fitness ball for balance and joint training – CoreSphere
4.8 / 5.0 (over 2613 reviews)


CoreSphere is the training ball for everyone who wants to specifically work on strength, stability, and rehabilitation. This compact and effective fitness ball was designed to activate the deep muscles in your core, legs, and feet while simultaneously training balance and coordination. Perfect for young and old, suitable for both preventive training and rehabilitation.
That’s why you choose our CoreSphere:
- Trains the deep muscles: Activates the core muscles that are important for posture and stability.
- Supports rehabilitation: Ideal after injuries or for targeted joint exercises.
- Improves balance & coordination: Challenge yourself in an accessible and safe way.
- Versatile use: For exercises targeting knees, legs, core, arms, and back.
- Accessible for everyone: Suitable for beginners and advanced users.
Technical data:
- Type: Compact fitness ball.
- Purpose: Balance, coordination, muscle strengthening, and rehabilitation.
- Application areas: Feet, knees, legs, abdomen, back, arms.
- Target group: Young and old, suitable for home or physiotherapy.
- Material: Durable, non-slip PVC or rubber (depending on version).
With CoreSphere you train specifically and safely – an essential tool for a stronger, more stable, and healthier body.
We strive for a simple ordering and delivery process. Ordered before 11:00 p.m.? Shipped today.
Once the package has been sent, you will receive the tracking information. You can return your order within 14 days of receipt. Place the products in the shopping cart and follow the steps for payment and shipping. Always check your details. All shipments are free, and we cover the shipping costs.
We guarantee a secure payment environment with SSL encryption. Customers in Germany can pay with Klarna, PayPal, credit card, and Sofort. If you have any problems, please contact our customer service.