Body training device has base plate with rolling arranged at base side, where axis of roller bearing roll are situated in level of the base plate, where upper and lower sides of base plate overlap

摘要

The device has a base plate with rolling arranged at base side. The axis (12) of roller bearing roll is situated in the level of the base plate, where upper and lower sides of the base plate overlap. The roll has a convex tread design. The roller bearing of the base plate with shells, are totally or partly mounted in the cavity of the globe.