Training device for back and stomach muscles; has inner ring to fit around body arranged eccentrically in rotating ring body connected by drive belt to brake mechanism

摘要

The training device has a ring body (4) in a fixed frame that rotates about a vertical axis. An inner ring (1) is arranged to rotate eccentrically inside the ring body and has an opening for the user. The ring body is connected by a drive belt (6) to a brake mechanism (7), to brake the rotation of the ring body. The braking force can be adjusted. Body supports (2) may be arranged diametrically opposite in the ring body.