Sport-Thieme Gymfit 33 Balance Cushion: For a fit back / / Sport-Thieme's air-filled Gymfit 33 balance cushion, with its permanent instability, constantly shifts the body's center of gravity. This dynamic seat relieves strain on the upper body and strengthens not only the back, but also the core, cervical spine and neck. With a diameter of 33 cm, the Gymfit 33 cushion is a popular tool in offices, therapy and rehabilitation settings, as well as in gymnastics and yoga classes. It is also used in schools to encourage upright sitting posture. / / - Promotes upright posture and core strengthening thanks to permanent instability. / - Ideal for a variety of uses: in the office, therapy, rehabilitation, gymnastics and yoga. / - 33 cm diameter, suitable for all types of seating. / - Useful for upper-body relief, strengthening the back, cervical spine and neck. / / This Gymfit 33 balance cushion is an incomparable addition to maintaining excellent fitness and promoting healthy posture, ideal for professionals seeking wellness solutions at work, in therapy or in the educational environment.