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Tunturi C25F Competence Cross Trainer

CHF 599.00 CHF 999.00 (40.04% saved)

Healthy Sitting and Energy with a Gym Ball

Her days in the home office had become monotonous: wake up, drink coffee, open the laptop, and work for hours. After long days spent in her old, worn-out office chair, she suffered from neck pain and tense shoulders. “More movement would be good,” she often thought, but the gym was too expensive, too time-consuming, and after a full day of work, she just didn’t have the motivation to leave the house. Even for her yoga sessions, which she once enjoyed regularly after work, she now lacked the energy and willpower. A colleague suggested trying a stability ball. Although skeptical at first, she eventually ordered a 65 cm gym ball. And it truly made a difference: her new ball brought movement into her workday. The constant small balance adjustments while sitting activated her core muscles and improved her circulation. The tension noticeably eased, and after just a week, she felt her energy levels were significantly higher—even after long workdays. She also regained her motivation for yoga. During exercises like Marjaryasana, Ashta Chandrasana, or Phalakasana, her fitness ball provided valuable support. With a simple and affordable piece of fitness equipment, she quickly improved her quality of life—and changed her life for the better.

Active Sitting, Healthier Living – How to Easily Integrate Training into Daily Life

Sound familiar? Feeling tired and tense in the evening, with that unpleasant sense of having barely moved all day—when a bit of physical balance is exactly what body and mind need. If you lack the space for dumbbell sets and other equipment, or simply don’t have the time or motivation for full workouts, a gym ball from Tunturi is the perfect choice. Just by sitting on a stability ball from the isports range, you engage multiple muscle groups—effortlessly and without taking extra time. Sitting on the gym ball activates your deep stabilizing muscles, as your body constantly makes minor balancing movements to stay upright. This particularly targets the back muscles, pelvic floor, obliques, and lower core—all without breaking a sweat. It’s a smart, efficient, and economical way to incorporate training into your daily routine.

Your Training Partner for Workouts and Yoga

Start by using your gym ball as a seat and use that momentum to take your home training to the next level. And once again, your gym ball becomes your workout partner. With fitness balls from Tunturi and other trusted brands available at isports, your workouts and yoga sessions become more effective. Benefit from added support during classic exercises like hip lifts, side sit-ups, leg tucks, trunk rotations, or T-arm lifts. The ball adapts to your movements, provides gentle resistance, and promotes stabilizing balance movements—perfect for building targeted muscle strength without overloading the joints. All gym balls are made from durable anti-burst material that offers stability even under heavy use. The comfortable, grippy, and non-slip surface ensures safety during both sitting and exercising. Thanks to the included pump and clever design, the gym ball is quick to set up and just as easy to deflate. Easy to clean, long-lasting, and versatile—perfect for everyday use.

Find Your Perfect Gym Ball at isports

Looking for a piece of fitness equipment that fits seamlessly into your daily routine—and suits your needs? In the isports shop, you'll find a wide selection of studio-quality gym balls, including popular models from Tunturi and other leading brands. To ensure your ball offers the best comfort and stability, size matters: for individuals between 155 and 165 cm tall, we recommend a 55 cm ball. If you're 166 to 178 cm tall, a 65 cm ball is ideal. Those between 179 and 190 cm should choose a 75 cm ball, and for heights over 190 cm, we offer 90 cm options. Discover complementary training gear such as yoga mats, kettlebells, aerobic steppers, and many more fitness tools. Order easily and benefit from our extensive after-sales services. As the exclusive distributor for Tunturi in Switzerland and Liechtenstein, isports offers expert advice, direct access to spare parts, and reliable warranty and repair services. Visit our showroom in Lupfig and test our training equipment live on site.