Torsional twist manual exerciser device

Claim 1

AN EXERCISER DEVICE OF THE CLASS DESCRIBED COMPRISING A PAIR OF TUBULAR MEMBERS DISPOSED IN CONTIGUOUS END-TO-END RELATION ON A COMMON CENTRAL LONGITUDINAL AXIS AND OPERATIVELY INTERCONNECTED WITH EACH OTHER TO PREVENT AXIAL SEPARATION THEREOF WHILE ALLOWING RELATIVE ROTATIVE MOVEMENTS THEREBETWEEN DURING EXERCISING USE, A SUBSTANTIALLY RIGID CENTRAL LONGITUDINALLY EXTENDED CORE MEMBER DISPOSED WITHIN THE TUBULAR MEMBERS IN RADIALLY INWARDLY SPACED RELATION THERETO FOR A SUBSTANTIAL PART OF ITS LENGTH AND HAVING AT LEAST ONE BEARING FULCRUM INTERMEDIATE ITS ENDS, AND AT LEAST ONE AXIALLY ELONGATED FLEXIBLE RESILIENT MEMBER HAVING ITS OPPOSITE ENDS OPERATIVELY CONNECTED WITH THE RESPECTIVE TUBULAR MEMBERS WHILE NORMALLY DISPOSED INTERMEDIATE ITS END ADJACENT AND PARALLEL TO THE CORE MEMBER AFORESAID AND FREE TO BEND HELICALLY ABOUT THE CORE MEMBER AND INTO BEARING CONTACT WITH THE FULCRUM AFORESAID RESPONSIVE TO RELATIVE ROTATIVE MOVEMENTS OF THE TUBULAR MEMBER IN OPPOSITE DIRECTIONS.