RUBBER-AND-FOAM EXPANDER FOR DEVELOPING THE STRENGTH AND STRENGTH ENDURANCE OF MUSCLES OF TRUNK AND LIMBS IN CHILDREN OF PRE-SCHOOL AGE AND YOUNG SCHOOLCHILDREN

摘要

A rubber-and-foam expander for developing the strength and strength endurance of the muscles of trunk and limbs contains two foam-rubber handles with the loops of the braid and the rubber ribbon connected with two broad rubber bands with two fixators.