Apparatus for general physical development and increased balance for the human body

摘要

Apparatus for general physical development and for increased balance of the human body, characterised in that it comprises two rotating plates 1 and 2 connected by means of a ball ring 3, mounted on a shaft 4 and firmly attached to a base 5 with wheels 7 by means of a spring 6 and an elastic cord 12 held by the subject 9 mounted on the plate 1 and attached to a support 12. IMAGE