{HEAD ~ The first flexible element} produces a force moment about {TAIL ~ the axis} in a first direction biasing the force modifying member into rotation in the first direction 
{ HEAD ~ The first flexible element } produces a force moment about { TAIL ~ the axis } in a first direction biasing the force modifying member into rotation in the first direction
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH